Long Xuyên weather in August

In August, Long Xuyên sees average daytime highs of 31°C and overnight lows near 26°C, with 220 mm of rain across 28.1 wet days and about 12.3 hours of daylight. It is the 6th-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 Long Xuyên's 11th-clearest and 1st-windiest month. For the whole year in context, see Long Xuyên's year-round climate.

Daytime high
31°
6th warmest
Overnight low
26°
9th coldest
Rainfall
220 mm
28.1 wet days
Daylight
12 h 18 min
5:52 AM – 6:13 PM
Cloud cover
89%
11th clearest
Wind
12 km/h
1st windiest
Solar energy
4.73 kWh/m²
Travel score
2.4
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 Long Xuyên reaches about 31°C in the afternoon and slips back to 26°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)
13126
23126
33126
43126
53126
63126
73126
83126
93126
103126
113126
123126
133126
143126
153226
163226
173226
183226
193226
203226
213226
223226
233226
243226
253226
263226
273226
283226
293226
303226
313226

How August really feels in Long Xuyên

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
21 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.

Long Xuyên weather by month

How August compares with the rest of the year at a glance. August is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°254.411.55.3
Feb32° / 23°141.711.75.0
Mar34° / 25°345.711.93.6
Apr34° / 26°8212.812.22.6
May33° / 26°17523.912.52.2
Jun32° / 26°20726.412.62.4
Jul31° / 26°21827.812.52.4
Aug31° / 26°22028.112.32.4
Sep31° / 25°26127.912.12.3
Oct31° / 25°28126.911.82.5
Nov31° / 25°13816.211.53.5
Dec31° / 24°578.511.44.7

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
6694
7694
8694
9694
10892
11892
12892
13892
14793
15793
16793
17793
18793
19793
20694
21694
22694
23694
24694
25595
26595
27595
28595
29595
30595
31595

Chance of precipitation in August

Any precipitation

Long Xuyên gets around 220 mm of rain over 28.1 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 90% and peaks near 93% on the wettest days.

0%20%40%60%80%100%151015202531
Rain chance (%)
189
289
389
488
588
688
788
888
988
1088
1188
1288
1389
1489
1590
1690
1791
1891
1992
2092
2193
2293
2393
2493
2593
2693
2793
2893
2992
3092
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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11486
21486
31486
41486
51486
61486
71486
81387
91387
101387
111387
121387
131288
141288
151288
161288
171288
181189
191189
201189
211189
221090
231090
241090
251090
261090
271090
281090
291090
301090
311090

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 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
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012calm
2112calm
2212calm
2312calm
2412calm
2512calm
2612calm
2712calm
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 5:52 AM, and sunset from 6:18 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:506:18
212.55:516:18
312.45:516:18
412.45:516:17
512.45:516:17
612.45:516:17
712.45:516:16
812.45:516:16
912.45:516:16
1012.45:526:15
1112.45:526:15
1212.45:526:14
1312.45:526:14
1412.45:526:14
1512.45:526:13
1612.35:526:13
1712.35:526:12
1812.35:526:12
1912.35:526:11
2012.35:526:11
2112.35:526:10
2212.35:526:10
2312.35:526:09
2412.35:526:09
2512.35:526:08
2612.35:526:08
2712.25:526:07
2812.25:526:06
2912.25:526:06
3012.25:526:05
3112.25:526:05

Solar energy in August

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in August, about 4.73 kWh/m².

For context, solar energy here swings from a low near 4.33 kWh/m² to a high of 6.03 kWh/m² in April across the year — August's 4.73 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
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
294.8Bright
304.8Bright
314.7Bright
Planning a trip in August

Hazard calendar for Long Xuyên

In seasonPeak

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

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

Long Xuyên'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 Long Xuyên?

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

2.4
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 Long Xuyên.

What to pack for Long Xuyên in August

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

In August, Long Xuyên sees daytime highs around 31°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Long Xuyên 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 68 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 Long Xuyên 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 Long Xuyên 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 Long Xuyên 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 Long Xuyên 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 Long Xuyên?

Long Xuyên sits at 10.4°N, 105.4°E, 8 m above sea level, in Vietnam. The nearest listed city is Thốt Nốt, 17 km away.

Topography around Long Xuyên

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

Within 3 km, the terrain around Long Xuyên has only modest variations in elevation — a maximum elevation change of 15 m around an average of 4 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 Long Xuyên is covered by artificial surfaces (41%) and trees (21%) within 3 km, cropland (61%) and trees (21%) within 16 km, and cropland (70%) and trees (20%) within 80 km.

3 km
15 m
16 km
23 m
80 km
680 m
treesgrasslandcroplandartificial surfacesbare terrainwater
August weather nearby: Thốt Nốt 17 km · Vĩnh Thạnh 19 km · Kiến An 21 km · Lai Vung 23 km · Núi Sập 23 km · Cao Lãnh 23 km · Cờ Đỏ 33 km · Quận Đức Thịnh 34 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 Long Xuyên (10.3864°, 105.4352°, elevation 8 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).