Vietnam Weather in August: A Complete Guide for Travelers

Pictures of green rice fields in Mai Chau

August is in the summer monsoon season in Vietnam

Considering a Vietnam holiday in August and wondering “what is Vietnam like in August?” or “is August a good time to visit Vietnam?” You’re in the right place! The weather in Vietnam in August is a mixed bag; it’s one of the wettest months overall, but that doesn’t mean your travel plans are a washout. You’ll still find plenty of sun, especially in Central Vietnam, which is enjoying its last month of mostly dry, sunny weather. The South and North remain in their wet season. Attractive shoulder season prices can be a big plus, so don’t let the Vietnam weather August rain deter you entirely. This guide will break down the Vietnam August weather region by region, highlight the best places to visit in Vietnam in August, and offer tips for your trip.

Weather in Vietnam August: Key Destinations Overview

Across Vietnam, the average temperature in August ranges from approximately 25°C (77°F) at night to 33°C (91°F) during the day. As part of the summer monsoon, rain is frequent, with many regions seeing 17 to 22+ rainy days. However, these showers are often brief, typically occurring in the afternoon or evening. While most of Vietnam is in the late summer monsoon and typhoon season, regional variations are significant. North Vietnam weather in August, including Hanoi, tends to be the wettest, making mountain trekking less ideal. Let’s look at specific locations.

Sapa Weather in August: Mist, Mountains, and Monsoon

August in Sapa brings a cool and very humid climate, with average daily temperatures around 21°C (69.8°F); highs can reach up to 24°C (75.2°F), while lows hover near 18-19°C. It’s a very wet month, receiving approximately 430mm of rainfall spread across 23-24 rainy days. Humidity is high, typically near 83%. Actual sunshine is limited, averaging only 4-5 hours per day. While the frequent rain and misty conditions make extensive trekking challenging due to muddy trails, the landscapes are exceptionally lush, and rice terraces begin their golden transformation late in the month.

Sapa August Weather Snapshot:

  • Temperature: Cool and humid, with a daily average around 21°C (69.8°F). Highs can reach 24°C (75.2°F), lows around 18-19°C.
  • Rainfall: Very wet. Expect around 430mm of precipitation over approximately 23-28 rainy days.
  • Humidity: High, typically around 83%.
  • Sunshine Hours: Actual sunshine is low, about 4-5 hours per day.

Sapa August Travel Advice: August is deep in Sapa’s rainy season, bringing frequent rain, low visibility, and muddy trails, making it generally not ideal for extensive trekking. However, the landscapes are incredibly lush, and rice terraces start turning golden towards month-end – great for photos! Visiting local markets and villages (with rain gear) is still enjoyable.

Hanoi Weather August: Navigating Monsoonal Heat & Showers

August in Hanoi is hot and humid, with average highs of 32 °C and lows of 25 °C.The city receives about 135 mm of rain over roughly 21 days, relative humidity hovers around 80%, and you can expect about 9.5 hours of sunshine daily.

Hanoi August Weather Snapshot:

  • Temperature: Hot and humid. Average high around 32°C (90°F); daily average near 28.9°C (84°F). Lows around 25-26°C (77-79°F).
  • Rainfall: One of Hanoi’s rainiest months. Expect ~310-314mm over about 25-26 rainy days.
  • Humidity: Very high, around 84%.
  • Sunshine Hours: Limited, with perhaps only 1 truly sunny day on average; bright periods occur between showers.

Hanoi August Travel Advice: The Hanoi weather in August can be challenging due to heat, humidity, and frequent rain. Indoor attractions (museums, temples) are good options. Cultural events like Vu Lan Festival and Mid-Autumn Festival preparations might be observable. Carry an umbrella and wear light clothing.

Ninh Binh Weather in August: Lush Landscapes Amidst Summer Rains

In August, Ninh Binh is hot and humid, with an average high of 91 °F (32.8 °C) and low of 79 °F (26.1 °C). Rainfall peaks at about 341 mm (13.4 in) over roughly 18 days, making it the wettest month of the year.  Relative humidity hovers around 84 %, and the sun shines for about 176 hours (~5.7 hours/day) despite frequent clouds. Winds are relatively gentle, averaging 11 mph (18 kph), so prepare for sultry, rain-laden afternoons and early-morning downpours.

Ninh Binh August Weather Snapshot:

  • Temperature: Hot and humid. Max around 32.6°C (90.7°F), min 25.5°C (77.9°F).
  • Rainfall: Part of the rainy season, with ~15 rainy days and average precipitation of 284mm.
  • Humidity: High.
  • Typhoon Risk: Possible; check forecasts.

Ninh Binh August Travel Advice: While rainy, Ninh Binh’s landscapes (Tam Coc, Trang An) are vibrant. Boat trips are popular. Be prepared for downpours.

Halong Bay Weather in August: Summer’s End, Storms & Savings

In August, Halong Bay experiences hot and humid conditions, with average daytime temperatures around 29°C (84°F) and highs reaching up to 32°C (90°F). Nighttime temperatures typically drop to about 25°C (77°F). Humidity levels are high, averaging around 80–83%, making the atmosphere feel warmer. Rainfall is significant, with approximately 265–317 mm over 16 to 27 days, often occurring as short, intense showers in the late afternoon or evening. Despite the rain, the sea remains warm at about 27–30°C (81–86°F), ideal for swimming and water activities. Daylight averages around 12.8 hours, providing ample time for exploration

August is a great time to enjoy Halong Bay’s water-based activities. Kayaking through calm waters offers close-up views of limestone islands and caves. Swimming and snorkeling are popular due to the warm sea temperatures. For a unique experience, consider luxury overnight cruises in Halong Bay, which provide comfortable accommodations and opportunities to explore the bay’s beauty over multiple days .

Halong Bay August Weather Snapshot:

  • Temperature: Average 29°C (84.2°F); highs to 32°C (89.6°F), lows ~25°C (77°F).
  • Rainfall: Wet, with ~16 rainy days and ~262-265mm precipitation. Afternoon downpours common.
  • Humidity: Very high, ~80-81.4%.
  • Sunshine Hours: Approx. 6 hours/day.
  • Sea Temperature: Warm, ~27°C (81°F).
  • Typhoon Risk: High; monitor forecasts, cruises may be cancelled.

Halong Bay August Travel Advice: August offers low season prices and fewer tourists. Water activities are good. However, expect hot, humid, rainy conditions. The risk of storm-related cancellations is higher.

Hoi An Weather August: Transitioning Season with Sunshine

In August, Hoi An experiences hot and humid weather, with average temperatures ranging from 25°C to 35°C (77°F to 95°F) . The sea remains warm at approximately 28°C (82°F), making it ideal for beach activities.

Rainfall increases during this month, averaging around 126.9 mm, with approximately 17.9 rainy days . Humidity levels are high, averaging between 75% and 86% . Despite the rain, August offers about 12.6 hours of daylight, providing ample time for exploration.

August marks the transition from the dry to the rainy season in Hoi An, so it’s advisable to carry light rain gear and plan outdoor activities accordingly.

For travelers interested in exploring both Hoi An and Da Nang, consider the Hoi An and Da Nang tour packages, which offer a comprehensive experience of Central Vietnam’s cultural and natural attractions.

Hoi An August Weather Snapshot:

  • Temperature: Average 30°C (86°F). Highs 34-35°C (93-96°F), lows ~26°C (78-79°F).
  • Rainfall: Marks a transition; rainfall increases but generally moderate. Expect ~120-127mm over ~11-18 rainy days.
  • Humidity: High, ~80-87%.
  • Sunshine Hours: Still plenty of sunshine.

Hoi An August Travel Advice: The Hoi An weather in August is generally good, especially early in the month. Warm and mostly sunny for Ancient Town exploration and beaches. Showers increase later in August. Check for typhoon warnings.

Da Nang Weather in August: Sun, Sand, and Occasional Showers

Da Nang in August experiences hot and humid weather, with average temperatures ranging from 26°C to 33°C (79°F to 91°F). Rainfall increases during this time, averaging around 190mm, as the city transitions into the wet season. Expect occasional heavy showers, especially in the afternoons, but they are usually short-lived. Despite the rain, there are still plenty of sunny hours, making it possible to explore the city and its beaches.

Don’t miss the iconic Golden Bridge Da Nang, also known as the Hand Bridge, a must-see landmark famed for its giant stone hands lifting a golden walkway above the Ba Na Hills.

Da Nang August Weather Snapshot:

  • Temperature: Very hot, humid. Average 30°C (86°F). Highs 33-35°C (91-96°F), lows ~26°C (77-79°F).
  • Rainfall: Moderate, ~115-142mm over ~6-19 rainy days (fewer rainy days than many other areas).
  • Humidity: High, ~80-87%.
  • Sunshine Hours: Good, approx. 10 hours actual sun/day.
  • Sea Temperature: Warm, ~29°C (84.2°F).

Da Nang August Travel Advice: Da Nang weather in August is excellent for beach holidays. Mostly sunny but very hot. Use sun protection. Be mindful of potential typhoons.

Hue Weather in August: Imperial City with Increasing Rain

In August, Hue, Vietnam experiences hot and humid weather. Average daytime temperatures range from 25°C to 34°C (77°F to 93°F). This month falls within the rainy season, with frequent showers and high humidity, often exceeding 85%. Rainfall averages around 180–250 mm, with occasional thunderstorms. Despite the rain, there are still periods of sunshine, making it possible to explore between downpours.

Hue August Weather Snapshot:

  • Temperature: Hot. Average ~30.5°C (87°F). Highs 36°C (97°F), lows ~25°C (78°F).
  • Rainfall: Rainfall increases. Expect ~82mm-100mm+. Rainy days can be ~10-16.
  • Humidity: Very high, ~71-92%.
  • Sunshine Hours: Decent, but less than Da Nang/Hoi An.

Hue August Travel Advice: Viable for exploring historical sites, but plan for warm, humid conditions and increasing rain. Carry rain protection.

Nha Trang Weather in August: Beach Conditions (Data Varies)

In August, Nha Trang, Vietnam, experiences hot and humid weather with average temperatures ranging from 24.8°C (76.6°F) to 30.8°C (87.4°F) and humidity around 77% . Rainfall averages 102.3 mm over approximately 19.7 days, indicating frequent showers . Despite the rain, the city enjoys about 12.1 hours of sunshine daily . Sea temperatures are warm, averaging 28.6°C (83.5°F), ideal for swimming and water activities . However, the UV index is extremely high, reaching up to 14, so sun protection is essential .

Nha Trang August Weather Snapshot:

  • Temperature: Average high ~32°C (90°F). Lows mid-20s°C.
  • Rainfall: Data varies significantly. Some sources suggest ~80-90mm (aligning with drier Central coast), while others indicate ~203mm over 26 rainy days. This needs careful consideration by travelers.
  • Humidity: High, ~75-84%.
  • Sunshine Hours: Good if rainfall is lower; limited if higher.

Nha Trang August Travel Advice: Often cited as a prime August beach spot if weather aligns with the drier Central pattern. However, due to conflicting rainfall data, be prepared for both sun and potentially frequent rain. Check local forecasts diligently.

Mekong Delta Weather in August: High Water and Lush Scenery

In August, the Mekong Delta sees warm, humid conditions with temperatures ranging from 26°C to 34°C (79°F to 93°F). Short rain showers are common but rarely disrupt travel plans. The average temperature hovers around 32°C, while August stands out as the windiest month of the year, with breezes reaching up to 9.4 knots, helping to ease the tropical heat.

Mekong Delta August Weather Snapshot:

  • Temperature: Hot, humid. Average 28-30°C (82-86°F). Highs 33°C (91.4°F), lows ~25°C (77°F).
  • Rainfall: Very wet. Average 270-284mm over ~27 rainy days.
  • Humidity: High, ~80-81%.
  • Sunshine Hours: Around 5 actual sunshine hours/day.

Mekong Delta August Travel Advice: Peak rainy season. Landscapes are incredibly lush. High water levels make boat trips immersive. Consider a Mekong River cruise. Be prepared for rain.

Ho Chi Minh City Weather in August: Monsoonal Downpours

In August, Ho Chi Minh City experiences hot, humid weather with temperatures ranging from 25°C to 31.7°C (77°F to 89°F), averaging 27.9°C (82°F). Frequent, short-lived rain showers occur on about 50% of afternoons, offering brief relief without significantly disrupting travel plans. Gentle breezes averaging 10 km/h (5.4 knots) help to moderate the tropical heat

Ho Chi Minh City August Weather Snapshot:

  • Temperature: Hot, humid. Range 25°C-33°C (77-91°F). Average daily ~28.9°C (84°F).
  • Rainfall: Frequent, heavy rain. ~200-280mm over ~22-24 rainy days.
  • Humidity: Very high, ~82-83%.
  • Sunshine Hours: Around 5 actual sunshine hours/day.

Ho Chi Minh City August Travel Advice: Ideal for indoor activities (museums, markets like Ben Thanh, cuisine). Plan outdoor sightseeing for mornings due to common afternoon downpours.

Vietnam’s Regional Climate in August: A Closer Look

North Vietnam Weather August

Popular destinations:Hanoi, Halong Bay, Cat Ba, Sapa, Ha Giang, Mu Cang Chai, Ninh Binh, Mai Chau, etc.

The North Vietnam weather in August remains in summer mode with average temperatures around 30°C. It’s hot with significant rain and occasional storms, making August one of the wettest months for Hanoi. Halong Bay can experience gloomy weather and cruise cancellations due to storms. Trekking in mountainous regions is not recommended due to slippery conditions. A highlight is the rice terraces starting to turn gold late in the month.

Central Vietnam Weather August

Popular destinations:Hoi An, Da Nang, Hue, Nha Trang, Quy Nhon, Dalat, etc.

The Central Vietnam weather in August is often beautiful for beach trips, especially in Da Nang and Hoi An.

August generally offers the best weather in Vietnam for beach lovers, particularly in Hoi An, Da Nang, and Nha Trang (though Nha Trang data varies). Temperatures average around 30°C with mostly dry and sunny conditions, especially earlier in the month. Rain becomes more frequent towards month-end as the region transitions. Hue typically sees more rain than other central coastal cities. The Central Highlands (like Dalat) will be wetter.

South Vietnam Weather August

Popular destinations:Ho Chi Minh City, Phan Thiet & Mui Ne, Mekong Delta, Long Hai & Ho Tram, Con Dao & Phu Quoc, etc.

Explore unique landscapes like Mui Ne, but be aware of the South Vietnam weather in August (wet season).

The South Vietnam weather in August is characterized by its wet season. However, you can still expect plenty of dry and bright daylight hours, with average temperatures around 29°C. Showers are heavier than in previous months but help cool things down, though humidity is high. Con Dao island is great for spotting turtle hatchlings.

Travel Guide for Vietnam in August: Best Places & Tips

So, is Vietnam good to visit in August? Yes, with the right planning! August marks the end of summer holidays and a shift towards autumn. While storms are a possibility, generally pleasant temperatures (compared to peak heat in some areas) and attractive shoulder season prices make it appealing. Many ask about the best places to visit in Vietnam in August; the Central Coast (Da Nang, Hoi An, Nha Trang) is often the top recommendation for sunny beach weather. Phong Nha-Ke Bang National Park is also generally good for cave exploration.

In the North, Hanoi and Halong Bay are options if you’re prepared for rain. Ninh Binh’s golden rice terraces are a highlight late in the month. The Mekong Delta offers lush fruit gardens, and Con Dao provides turtle watching opportunities.

Phong Nha-Ke Bang National Park offers adventures generally unaffected by coastal monsoons in August.

What to Pack for Vietnam in August:

  • Lightweight, breathable clothing (cotton, linen, quick-dry).
  • Effective sun protection (hat, sunglasses, high-SPF sunscreen).
  • Light layers for cooler evenings in mountains (if applicable).
  • Reliable rain gear (umbrella, light raincoat/poncho).
  • Comfortable walking shoes, sandals, and waterproof/quick-dry footwear.
  • Strong insect repellent.

Crowds and Prices:

Early August is still peak domestic travel. Beaches can be crowded, especially on weekends. The second half of August typically sees fewer tourists, offering a more relaxed experience and potentially better deals.

August Events in Vietnam

Important Note: Lunar-based festival dates (Mid-Autumn Festival, Hon Chen Festival) vary each year. Always verify specific dates from official sources.

  • Vietnam Revolution Day (August 19th)
Vietnam Revolution Commemoration Day (August 19th) is an important national memorial day.
  • The Mid-Autumn Festival (Tết Trung Thu)
The Mid-Autumn Festival, with its lanterns and mooncakes, usually falls in August or September.

Held on the 15th day of the eighth lunar month, it’s a joyous festival, especially for children.

  • Hon Chen Festival (Thua Thien Hue Province)
The Hon Chen Temple festival is rich in folk traditions.

The Autumn ceremony (July-August, dates vary) honors the Holy Mother Thien Y A Na.

Vietnam Weather August: Quick Guide (Approximate Averages)
Destination Avg. Temp (°C) Est. Rainfall (mm) Est. Rainy Days Key Characteristics
Sapa ~21 (18-24) ~430 ~23-28 Cool, very wet, misty, low actual sun
Hanoi ~29 (26-32) ~310 ~25 Hot, very humid, very rainy, limited sun
Ninh Binh ~29 (26-32.6) ~284 ~15 Hot, humid, rainy, lush
Halong Bay ~29 (25-32) ~265 ~16 Hot, humid, rainy, typhoon risk, ~6 hrs sun
Hue ~30.5 (25-36) ~82-100+ ~10-16 Very hot, humid, increasing rain
Da Nang ~30 (26-35) ~115-142 ~6-19 Very hot, humid, mostly sunny, some rain, ~10 hrs sun
Hoi An ~30 (26-35) ~120-127 ~11-18 Very hot, humid, mostly sunny, increasing showers
Nha Trang ~29 (26-33) ~80-90 (or ~200+) ~10-18 (or ~26) Hot, humid (data varies widely on rain)
Ho Chi Minh City ~29 (25-33) ~200-280 ~22-24 Hot, very humid, frequent heavy rain, ~5 hrs sun
Mekong Delta ~28-30 (25-33) ~270-284 ~27 Hot, very humid, very rainy, lush, ~5 hrs sun


For information on Vietnam’s weather in other months, please see:

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