Monthly climate guide

Ho Chi Minh City in August

August in Ho Chi Minh City is late summer, with a settled seasonal pattern already in place. It can feel distinctly hot through the middle of the day, with a noticeable cool-down after sunset. Most days feel close to what the averages suggest, with straightforward pacing. The daylight window is balanced for full days without endless late evenings.

Annual ranking snapshot

Ranked across 12 months

August in context

How it compares to the rest of the year in Ho Chi Minh City.

Hottest (avg)
IN-BETWEEN
#7 / 12

Sits around the middle of the year.

Wettest (avg)
WETTER
#2 / 12

Among the wetter months.

Daylight Hours
IN-BETWEEN
#4 / 12

Around the yearly average.

Windiest (avg)
WIND
#3 / 12

Among the windier months.

Highest UV
UV
#3 / 12

UV runs high compared with most months.

Most Humid
HUMID
#4 / 12

Humidity stays close to the yearly norm.

Climate normals

Four planning pillars

Monthly climate breakdown

A detailed look at the typical climate conditions for August.

Thermal profile

Temperature

Typical daytime high

Nighttime low
Feels like (avg)

Light window

Sunshine

12.5 h

Average daylight

UV index (max)
9
Typical sun hours
05:42 - 18:11

Wet-day pattern

Rain & Snow

Typical rainfall

Rainy days
30 days
Cloud cover (avg)
85%

Air feel

Humidity & Wind

85%

Average humidity

Wind (avg)
Wind (max gusts)

Historical daily baseline

Daily climate explorer

Pick a day to inspect the usual conditions through August in Ho Chi Minh City. Based on a 30-year historical climate baseline, not a forecast.

Primary control

Select a day

Scroll to compare daily conditions. The summary updates with your selection.

Secondary context

Monthly trend

Day 15 selected

Median daytime highs across the month, with a softer low line.

Daily climate explorer for AugustMonthly trend chart for the selected climate metric, with the chosen day marked.2025303511631°C
Median temperatureMedian lowTypical range

Day 15 selected for August. Temperature 31.4°C.

Historical disruption baseline

Typical disruptions in August

Based on 30 years of historical data, these are the disruption patterns most likely to affect plans in August.

Humidity High impact

Muggy days Measures: Muggy days (dew point >=20C). Observed about 100% of days (31.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

31.0 days / month

Share of days
~100% of days
Upper edge
Up to ~25°C (P95)
Why this matters

Muggy conditions are possible on ~31 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Heat High impact

Hot feels-like days Measures: Hot feels-like days (>=32C). Observed about 99% of days (30.6 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

30.6 days / month

Share of days
~99% of days
Upper edge
Up to ~40°C (P95)
Why this matters

Feels-like heat >=32C is possible on ~31 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Heat High impact

Very hot feels-like Measures: Very hot feels-like days (>=35C). Observed about 77% of days (23.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

23.9 days / month

Share of days
~77% of days
Upper edge
Up to ~40°C (P95)
Why this matters

Very hot feels-like conditions are possible on ~24 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Heat High impact

Heat stress risk Measures: High heat stress days. Observed about 77% of days (23.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

23.9 days / month

Share of days
~77% of days
Upper edge
Up to ~40°C (P95)
Why this matters

Heat stress is possible on ~24 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Heat High impact

Hot days Measures: Hot days (>=30C). Observed about 77% of days (23.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

23.9 days / month

Share of days
~77% of days
Upper edge
Up to ~32°C (P95)
Why this matters

Hot days are possible on ~24 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Rain High impact

Rain disruption Measures: Likely rain disruption days. Observed about 68% of days (20.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

20.9 days / month

Share of days
~68% of days
Upper edge
Up to ~24mm (P95)
Why this matters

Rain disruption risk appears on ~21 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Show all disruptions (23 more)
Rain High impact

Washout risk Measures: Washout day risk. Observed about 62% of days (19.3 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

19.3 days / month

Share of days
~62% of days
Upper edge
Up to ~25mm (P95)
Why this matters

Washout conditions are possible on ~19 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Humidity High impact

Oppressive humidity Measures: Oppressive humidity days (dew point >=24C). Observed about 62% of days (19.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

19.1 days / month

Share of days
~62% of days
Upper edge
Up to ~25°C (P95)
Why this matters

Oppressive humidity is possible on ~19 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain High impact

Heavy rain days Measures: Heavy rain days (>=10mm). Observed about 36% of days (11.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

11.2 days / month

Share of days
~36% of days
Upper edge
Up to ~28mm (P95)
Why this matters

Heavy rain is possible on ~11 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Washout run Measures: Multi-day washout runs. Observed about 3.8 days/month in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

3.8 days / month

Share of days
Upper edge
Up to ~28mm (P95)
Why this matters

Multi-day washout runs are possible on ~4 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Rain High impact

Very heavy rain Measures: Very heavy rain days (>=25mm). Observed about 3% of days (1.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.0 days / month

Share of days
~3% of days
Upper edge
Up to ~45mm (P95)
Why this matters

Very heavy rain is possible on ~1 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Wind High impact

Stormy conditions Measures: Storm-impact proxy days. Observed about 2% of days (0.7 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.7 days / month

Share of days
~2% of days
Upper edge
Up to ~59km/h (P95)
Why this matters

Stormy conditions are possible on ~1 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Wind High impact

Strong gusts Measures: Strong gust days (>=60 km/h). Observed about 1% of days (0.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

0.2 days / month

Share of days
~1% of days
Upper edge
Up to ~66km/h (P95)
Why this matters

Strong gusts are possible on ~0 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Heat Moderate

Heatwave run Measures: Heatwave runs (>=3 hot days). Observed about 2.5 days/month in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.5 days / month

Share of days
Upper edge
Up to ~32°C (P95)
Why this matters

Heatwave runs are possible on ~3 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Visibility Moderate

Fog-likely signal Measures: Fog-likely visibility proxy. Observed about 7% of days (2.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.1 days / month

Share of days
~7% of days
Upper edge
Up to ~93% (P95)
Why this matters

Fog-likely conditions are possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Heat Moderate

Feels-like heatwave Measures: Feels-like heatwave runs (>=3 days). Observed about 1.2 days/month in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

1.2 days / month

Share of days
Upper edge
Up to ~38°C (P95)
Why this matters

Feels-like heatwave runs are possible on ~1 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Heat Minor

Warm nights Measures: Warm nights (min >=22C). Observed about 100% of days (31.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

31.0 days / month

Share of days
~100% of days
Upper edge
Up to ~25°C (P95)
Why this matters

Warm nights are possible on ~31 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

Humid days Measures: Humid days (dew point >=18C). Observed about 100% of days (31.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

31.0 days / month

Share of days
~100% of days
Upper edge
Up to ~25°C (P95)
Why this matters

Humid conditions are possible on ~31 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Rain Minor

Wet days Measures: Wet days (>=0.1mm). Observed about 99% of days (30.6 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

30.6 days / month

Share of days
~99% of days
Upper edge
Up to ~22mm (P95)
Why this matters

Measurable rain is possible on ~31 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

High humidity Measures: High humidity days (RH >=80%). Observed about 97% of days (30.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

30.1 days / month

Share of days
~97% of days
Upper edge
Up to ~90% (P95)
Why this matters

High humidity is possible on ~30 days. Comfort and pace can drop quickly, so plan shorter outdoor blocks with air-conditioned backup stops.

Rain Minor

Rainy hours Measures: Rain-hours signal (>=3h rain). Observed about 94% of days (29.2 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

29.2 days / month

Share of days
~94% of days
Upper edge
Up to ~20h (P95)
Why this matters

Several rainy hours are possible on ~29 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Cloud Minor

Cloudy days Measures: Cloudy days (cloud cover >=60%). Observed about 91% of days (28.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

28.1 days / month

Share of days
~91% of days
Upper edge
Up to ~100% (P95)
Why this matters

Cloudy skies are possible on ~28 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Rain Minor

Wet most of day Measures: Wet-most-of-day signal (>=6h rain). Observed about 76% of days (23.7 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

23.7 days / month

Share of days
~76% of days
Upper edge
Up to ~20h (P95)
Why this matters

Wet-most-of-day conditions are possible on ~24 days. Outdoor plans can become unreliable, so keep an indoor backup and flexibility around start times.

Cloud Minor

Mostly cloudy days Measures: Mostly cloudy days (cloud cover >=80%). Observed about 71% of days (22.0 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

22.0 days / month

Share of days
~71% of days
Upper edge
Up to ~100% (P95)
Why this matters

Mostly cloudy skies are possible on ~22 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Humidity Minor

Convective risk Measures: Convective storm risk proxy. Observed about 68% of days (20.9 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

20.9 days / month

Share of days
~68% of days
Upper edge
Up to ~25°C (P95)
Why this matters

Convective risk signal appears on ~21 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Cloud Minor

Overcast days Measures: Overcast days (cloud cover >=95%). Observed about 40% of days (12.5 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

12.5 days / month

Share of days
~40% of days
Upper edge
Up to ~100% (P95)
Why this matters

Overcast skies are possible on ~13 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Wind Minor

Gusty days Measures: Gusty days (>=40 km/h). Observed about 30% of days (9.4 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

9.4 days / month

Share of days
~30% of days
Upper edge
Up to ~58km/h (P95)
Why this matters

Gusty conditions are possible on ~9 days. Exposed activities and transport links are more likely to be disrupted, so keep sheltered alternatives ready.

Heat Minor

Hot nights Measures: Hot nights (min >=25C). Observed about 17% of days (5.4 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

5.4 days / month

Share of days
~17% of days
Upper edge
Up to ~26°C (P95)
Why this matters

Hot nights are possible on ~5 days. Midday activity often needs adjustment around shade, hydration, and indoor fallback options.

Other Minor

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data Measures: Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data. Observed about 7% of days (2.1 days/month) in August. Historical risk signal only, not a day-by-day forecast.

Likely frequency

2.1 days / month

Share of days
~7% of days
Upper edge
Up to ~93 (P95)
Why this matters

Low visibility proxy: same as fog-likely (RH ≥90% AND cloud ≥95%) — true visibility requires hourly visibility data is possible on ~2 days. Fixed-time outdoor plans are safer with a backup option and flexible timing.

Travel planning FAQ

Frequently asked questions

Quick answers to the weather questions you ask the most.

Is August a good time to visit Ho Chi Minh City?

Typical August days in Ho Chi Minh City reach highs of 31°C (88°F) with nights around 24°C (75°F). It usually feels hot by day and warm after dark. It is among the wetter months, so it is wise to have some indoor backup plans or flexible activities.

What are temperatures like in August?

Daytime temperatures in August typically peak near 31°C (88°F), while nights drop to around 24°C (75°F). Expect hot afternoons and warm evenings.

How much does it rain in August?

Rainfall in August averages 276 mm (10.9 in) across roughly 30 days. Overall it is a very wet time of year, so a light rain jacket and waterproof shoes are very handy.

How many hours of daylight are there in August?

You can expect about 12 hours of daylight in August. Sunrise is typically around 05:42 and sunset near 18:11. Daylight is fairly typical, with enough time for sightseeing.

How strong is the sun in August?

UV levels frequently reach very high levels (around 9), so strong sun protection is essential, especially around midday.

Is it windy in August?

In August, average wind speeds are around 9 km/h (6 mph), with gusts on the windiest days reaching about 49 km/h (30 mph). On the ground, it is it often feels breezy, especially in more exposed spots or along the coast.

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