Óc Eo weather in August

In August, Óc Eo sees average daytime highs of 31°C and overnight lows near 26°C, with 242 mm of rain across 29 wet days and about 12.3 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of August to 12 h 12 min by month's end. Set against the rest of the year, August is Óc Eo's 11th-clearest and 1st-windiest month. For the whole year in context, see Óc Eo's year-round climate.

Daytime high
31°
9th warmest
Overnight low
26°
9th coldest
Rainfall
242 mm
29 wet days
Daylight
12 h 18 min
5:53 AM – 6:14 PM
Cloud cover
90%
11th clearest
Wind
13 km/h
1st windiest
Solar energy
4.67 kWh/m²
Travel score
2.5
out of 10

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical August day in Óc Eo reaches about 31°C in the afternoon and slips back to 26°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, August runs on par with July and on par with September.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13025
23126
33126
43126
53126
63126
73126
83126
93126
103126
113126
123126
133126
143126
153126
163126
173126
183126
193126
203126
213126
223126
233126
243126
253126
263126
273125
283125
293125
303125
313125

How August really feels in Óc Eo

Once humidity and wind are folded in, August averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Óc Eo weather by month

How August compares with the rest of the year at a glance. August is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°274.911.55.2
Feb32° / 23°152.311.74.9
Mar34° / 25°446.811.93.4
Apr34° / 26°9313.612.22.5
May33° / 26°20125.812.52.2
Jun31° / 26°23327.112.62.5
Jul31° / 25°24228.212.52.6
Aug31° / 26°2422912.32.5
Sep31° / 25°28128.312.12.4
Oct31° / 25°30927.311.82.6
Nov31° / 24°14417.311.53.5
Dec31° / 23°649.211.44.6

Cloud cover in August

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in August.

Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1595
2694
3694
4694
5694
6694
7793
8892
9892
10892
11892
12892
13892
14892
15892
16892
17892
18694
19694
20694
21694
22694
23595
24595
25595
26595
27595
28595
29595
30694
31595

Chance of precipitation in August

Any precipitation

Óc Eo gets around 242 mm of rain over 29 wet days in August. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 93% and peaks near 94% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
192
292
392
492
592
692
792
892
992
1092
1192
1292
1393
1493
1593
1693
1793
1894
1994
2094
2194
2294
2394
2494
2594
2694
2794
2894
2993
3093
3193

Humidity in August

DryComfortableHumidMuggyOppressiveMiserable

Most of August feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, August lands in the miserable band about 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11090
21090
31090
41090
51090
61090
71090
8991
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20991
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in August

Winds average 13 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712calm
2812calm
2912calm
3012calm
3112calm

Sunrise & sunset in August

DaylightNight

Daylight runs from about 12 h 30 min at the start of August to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 18 minutes over August. Sunrise moves from 5:52 AM to 5:53 AM, and sunset from 6:19 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:526:19
212.45:526:19
312.45:526:19
412.45:526:18
512.45:526:18
612.45:526:18
712.45:536:17
812.45:536:17
912.45:536:17
1012.45:536:16
1112.45:536:16
1212.45:536:15
1312.45:536:15
1412.45:536:15
1512.35:536:14
1612.35:536:14
1712.35:536:13
1812.35:536:13
1912.35:536:12
2012.35:536:12
2112.35:536:11
2212.35:536:11
2312.35:536:10
2412.35:536:10
2512.35:536:09
2612.35:536:09
2712.25:536:08
2812.25:536:07
2912.25:536:07
3012.25:536:06
3112.25:536:06

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.67 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.09 kWh/m² in April across the year — August's 4.67 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Hazard calendar for Óc Eo

In seasonPeak

In August, Óc Eo sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Óc Eo sits in the Pacific typhoon belt; the season peaks July–October.

Óc Eo's rainy season runs May–November, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is August a good time to visit Óc Eo?

Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.5
Sightseeing
8th-best month of the year
3.7
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Óc Eo.

What to pack for Óc Eo in August

From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In August, Óc Eo sees daytime highs around 31°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

Sea temperature near Óc Eo in August

The nearest coast averages about 29°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 33 km away) is warmest in May at about 31°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Óc Eo in August

LowModerateHighVery highExtreme

Clear-sky midday UV in August peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Óc Eo peaks around August 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 19UV 13Dec 11UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Óc Eo in August

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.

Air quality in Óc Eo is worst in January — around 55 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (August, 21 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorJan 1754 µg/m³Aug 1422 µg/m³
PM2.5 (µg/m³)Level
Jan55Poor
Feb49Poor
Mar44Poor
Apr40Poor
May33Moderate
Jun25Moderate
Jul24Moderate
Aug21Moderate
Sep27Moderate
Oct39Poor
Nov47Poor
Dec48Poor
Location & terrain

Where is Óc Eo?

Óc Eo sits at 10.2°N, 105.2°E, 2 m above sea level, in Vietnam. The nearest listed city is Núi Sập, 12 km away.

Topography around Óc Eo

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Óc Eo.

Within 3 km, the terrain around Óc Eo has only modest variations in elevation — a maximum elevation change of 211 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 211 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.

The land around Óc Eo is covered by cropland (77%) within 3 km, cropland (92%) within 16 km, and cropland (61%) and water (21%) within 80 km.

3 km
211 m
16 km
211 m
80 km
691 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Núi Sập 12 km · Cô Tô 19 km · Vĩnh Thạnh 27 km · Rạch Giá 27 km · Cờ Đỏ 34 km · Long Xuyên 35 km · Thốt Nốt 42 km · Kiến An 43 km

Vietnam travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C / F
220 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,066
2025
Happiness
6.4 / 10
World Happiness, 2025
Safe drinking water
59%
of population, 2024
Homicide rate
1.5
per 100k, 2011
Road deaths
30.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 500
Religion
none 86%Catholic 6%Buddhist 6%Protestant 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Óc Eo (10.2421°, 105.155°, elevation 2 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).