Vĩnh Long weather in August

In August, Vĩnh Long sees average daytime highs of 31°C and overnight lows near 25°C, with 250 mm of rain across 28.9 wet days and about 12.3 hours of daylight. It is the 7th-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 Vĩnh Long's 11th-clearest and 1st-windiest month. For the whole year in context, see Vĩnh Long's year-round climate.

Daytime high
31°
7th warmest
Overnight low
25°
9th coldest
Rainfall
250 mm
28.9 wet days
Daylight
12 h 18 min
5:50 AM – 6:10 PM
Cloud cover
88%
11th clearest
Wind
11 km/h
1st windiest
Solar energy
4.7 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 Vĩnh Long reaches about 31°C in the afternoon and slips back to 25°C overnight — a 6°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)
13125
23125
33125
43125
53125
63125
73125
83125
93125
103125
113125
123125
133125
143125
153125
163125
173125
183125
193125
203125
213125
223125
233125
243125
253125
263125
273125
283125
293125
303125
313125

How August really feels in Vĩnh Long

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
6 feel dangerously hot (≥ 39°C)
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.

Vĩnh Long weather by month

How August compares with the rest of the year at a glance. August is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°264.211.55.5
Feb31° / 23°81.711.75.2
Mar33° / 25°294.711.94.1
Apr34° / 26°7311.812.23.0
May33° / 26°19624.912.52.3
Jun32° / 26°24127.112.62.4
Jul31° / 25°24528.112.52.5
Aug31° / 25°25028.912.32.5
Sep31° / 25°27828.212.12.4
Oct31° / 25°28127.111.82.7
Nov31° / 25°14017.311.53.7
Dec30° / 24°709.511.44.8

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 6% of August, with mostly cloudy or overcast conditions the remaining 92%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5793
6793
7892
8892
9991
10991
11991
12991
13991
14991
15991
16991
17991
18991
19991
20892
21793
22793
23793
24793
25793
26793
27793
28793
29793
30793
31793

Chance of precipitation in August

Any precipitation

Vĩnh Long gets around 250 mm of rain over 28.9 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 92% 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
1392
1492
1592
1692
1792
1892
1992
2093
2193
2293
2393
2493
2594
2694
2793
2893
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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1793
2793
3793
4793
5694
6694
7694
8694
9694
10694
11694
12694
13694
14694
15694
16694
17694
18694
19694
20694
21694
22694
23595
24595
25595
26595
27595
28595
29595
30595
31595

Wind in August

Winds average 11 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 10 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

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 5:49 AM to 5:50 AM, and sunset from 6:16 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:496:16
212.45:496:16
312.45:496:15
412.45:496:15
512.45:496:15
612.45:496:14
712.45:496:14
812.45:496:14
912.45:496:13
1012.45:506:13
1112.45:506:13
1212.45:506:12
1312.45:506:12
1412.45:506:11
1512.35:506:11
1612.35:506:10
1712.35:506:10
1812.35:506:10
1912.35:506:09
2012.35:506:09
2112.35:506:08
2212.35:506:07
2312.35:506:07
2412.35:506:06
2512.35:506:06
2612.35:506:05
2712.25:506:05
2812.25:506:04
2912.25:506:04
3012.25:506:03
3112.25:506:02

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.7 kWh/m².

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 6.02 kWh/m² in March across the year — August's 4.7 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Hazard calendar for Vĩnh Long

In seasonPeak

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

Vĩnh Long sits in the Pacific typhoon belt; the season peaks July–October.

Vĩnh Long'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 Vĩnh Long?

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 Vĩnh Long.

What to pack for Vĩnh Long in August

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

In August, Vĩnh Long sees daytime highs around 31°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Vĩnh Long 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 Vĩnh Long peaks around March 23 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highMar 23UV 13Nov 20UV 9
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Vĩnh Long 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 Vĩnh Long is worst in January — around 72 µg/m³ PM2.5 (unhealthy), about 2.4× the cleanest month (August, 30 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorModeratePoorUnhealthyJan 1172 µg/m³Aug 1331 µg/m³
PM2.5 (µg/m³)Level
Jan72Unhealthy
Feb59Unhealthy
Mar53Poor
Apr53Poor
May47Poor
Jun38Poor
Jul34Moderate
Aug30Moderate
Sep40Poor
Oct56Unhealthy
Nov68Unhealthy
Dec70Unhealthy
Location & terrain

Where is Vĩnh Long?

Vĩnh Long sits at 10.3°N, 106.0°E, 1 m above sea level, in Vietnam. The nearest listed city is Cai Lậy, 23 km away.

Topography around Vĩnh Long

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

Within 3 km, the terrain around Vĩnh Long has only modest variations in elevation — a maximum elevation change of 10 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 16 m; within 80 km, only modest variations in elevation — a maximum elevation change of 85 m.

The land around Vĩnh Long is covered by trees (43%) and artificial surfaces (36%) within 3 km, trees (58%) and cropland (24%) within 16 km, and cropland (55%) and trees (35%) within 80 km.

3 km
10 m
16 km
16 m
80 km
85 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Cai Lậy 23 km · Sa Dec 24 km · Quận Đức Thịnh 26 km · Bình Minh 26 km · Can Tho 31 km · Bình Thủy 32 km · Cái Răng 37 km · Ô Môn 41 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 Vĩnh Long (10.2537°, 105.9722°, elevation 1 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). 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).