Cao Lãnh weather in August

In August, Cao Lãnh sees average daytime highs of 32°C and overnight lows near 25°C, with 240 mm of rain across 28.2 wet days and about 12.3 hours of daylight. It is the 8th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°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 Cao Lãnh's 11th-clearest and 1st-windiest month. For the whole year in context, see Cao Lãnh's year-round climate.

Daytime high
32°
8th warmest
Overnight low
25°
9th coldest
Rainfall
240 mm
28.2 wet days
Daylight
12 h 18 min
5:51 AM – 6:12 PM
Cloud cover
89%
11th clearest
Wind
12 km/h
1st windiest
Solar energy
4.7 kWh/m²
Travel score
2.3
out of 10

Cao Lãnh is provincial city of Dong Thap, Viet Nam.

Density
1,980/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in August

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical August day in Cao Lãnh reaches about 32°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
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How August really feels in Cao Lãnh

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
23 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.

Cao Lãnh weather by month

How August compares with the rest of the year at a glance. August is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°264.111.55.0
Feb32° / 23°131.911.74.7
Mar34° / 25°315.611.93.5
Apr35° / 26°7912.612.22.5
May33° / 26°17924.312.52.1
Jun32° / 26°21626.612.62.3
Jul31° / 25°22727.912.62.4
Aug32° / 25°24028.212.32.3
Sep32° / 25°27728.212.12.2
Oct32° / 25°28826.911.82.5
Nov32° / 24°14016.311.53.5
Dec31° / 23°638.911.44.5

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
2595
3595
4595
5595
6595
7694
8694
9694
10793
11793
12892
13892
14793
15793
16793
17793
18694
19694
20694
21694
22694
23595
24595
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in August

Any precipitation

Cao Lãnh gets around 240 mm of rain over 28.2 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 91% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
191
291
391
491
591
690
790
890
990
1090
1190
1290
1390
1490
1591
1691
1791
1891
1991
2091
2191
2292
2392
2492
2592
2692
2792
2892
2991
3091
3192

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11684
21684
31684
41585
51585
61585
71585
81585
91486
101486
111486
121486
131387
141387
151288
161288
171288
181288
191189
201189
211189
221189
231090
241090
251090
261090
271090
281189
291189
301189
311189

Wind in August

Winds average 12 km/h in August, the windiest month of the year.

Across August, daily wind ranges from about 11 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
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1811calm
1911calm
2011calm
2111calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm
3111calm

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 5:50 AM to 5:51 AM, and sunset from 6:17 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:506:17
212.55:506:17
312.55:506:17
412.45:506:17
512.45:506:16
612.45:506:16
712.45:506:16
812.45:516:15
912.45:516:15
1012.45:516:15
1112.45:516:14
1212.45:516:14
1312.45:516:13
1412.45:516:13
1512.45:516:12
1612.35:516:12
1712.35:516:12
1812.35:516:11
1912.35:516:11
2012.35:516:10
2112.35:516:10
2212.35:516:09
2312.35:516:08
2412.35:516:08
2512.35:516:07
2612.35:516:07
2712.35:516:06
2812.25:516:06
2912.25:516:05
3012.25:516:04
3112.25:516:04

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 4.3 kWh/m² to a high of 6.01 kWh/m² in March across the year — August's 4.7 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.7Bright
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
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in August

Hazard calendar for Cao Lãnh

In seasonPeak

In August, Cao Lãnh sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

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

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

Is August a good time to visit Cao Lãnh?

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

2.3
Sightseeing
9th-best month of the year
3.6
Beach & pool
11th-best month of the year

August is a weaker month for outdoor sightseeing in Cao Lãnh.

What to pack for Cao Lãnh in August

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

In August, Cao Lãnh sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

UV index in Cao Lãnh 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 Cao Lãnh peaks around August 22 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 22UV 13Dec 11UV 9
UV index (midday)Level
Jan10Very high
Feb11Extreme
Mar13Extreme
Apr12Extreme
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Cao Lãnh 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 Cao Lãnh 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 Cao Lãnh?

Cao Lãnh sits at 10.5°N, 105.6°E, 5 m above sea level, in Vietnam. The nearest listed city is Quận Đức Thịnh, 20 km away.

Topography around Cao Lãnh

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

Within 3 km, the terrain around Cao Lãnh has only modest variations in elevation — a maximum elevation change of 19 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 23 m; within 80 km, large variations in elevation — a maximum elevation change of 680 m.

The land around Cao Lãnh is covered by trees (49%) and artificial surfaces (32%) within 3 km, cropland (51%) and trees (35%) within 16 km, and cropland (69%) and trees (24%) within 80 km.

3 km
19 m
16 km
23 m
80 km
680 m
treesgrasslandcroplandartificial surfaceswater
August weather nearby: Quận Đức Thịnh 20 km · Lai Vung 23 km · Long Xuyên 23 km · Sa Dec 23 km · Thốt Nốt 24 km · Tràm Chim 24 km · Kiến An 31 km · Vĩnh Thạnh 37 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 Cao Lãnh (10.4602°, 105.6329°, elevation 5 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. 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).