Tân Châu weather in May

In May, Tân Châu sees average daytime highs of 34°C and overnight lows near 27°C, with 170 mm of rain across 23.6 wet days and about 12.5 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 33°C by the end. The sky is clear or mostly clear about 6% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of May to 12 h 36 min by month's end. Set against the rest of the year, May is Tân Châu's 7th-clearest and 7th-windiest month. For the whole year in context, see Tân Châu's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
27°
12th coldest
Rainfall
170 mm
23.6 wet days
Daylight
12 h 30 min
5:40 AM – 6:10 PM
Cloud cover
81%
7th clearest
Wind
8 km/h
7th windiest
Solar energy
5.47 kWh/m²
Travel score
2.1
out of 10

Tân Châu is human settlement in Vietnam.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 33°C by the end.

A typical May day in Tân Châu reaches about 34°C in the afternoon and slips back to 27°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, May runs about 1°C cooler than April and about 2°C warmer than June.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13527
23527
33527
43427
53427
63427
73427
83427
93427
103427
113427
123427
133427
143427
153427
163426
173426
183326
193326
203326
213326
223326
233326
243326
253326
263326
273326
283326
293326
303326
313326

How May really feels in Tân Châu

Once humidity and wind are folded in, May 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
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Tân Châu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°23411.44.9
Feb32° / 23°131.611.64.6
Mar34° / 25°356.611.93.1
Apr35° / 26°8713.512.22.3
May34° / 27°17023.612.52.1
Jun32° / 26°19826.512.62.2
Jul32° / 26°20827.212.62.4
Aug32° / 26°21527.812.42.3
Sep32° / 25°25427.912.12.2
Oct32° / 25°27626.311.82.5
Nov32° / 25°11314.811.53.6
Dec31° / 24°487.411.44.6

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 11% of May, with mostly cloudy or overcast conditions the remaining 83%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13367
23268
33070
42971
52773
62674
72674
82476
92278
102179
112080
121882
131882
141684
151585
161486
171387
181189
191189
201090
211090
22991
23991
24991
25991
26991
27991
28991
29991
30991
311090

Chance of precipitation in May

Any precipitation

Tân Châu gets around 170 mm of rain over 23.6 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 76% and peaks near 88% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
160
262
363
464
565
666
768
869
970
1071
1172
1273
1374
1475
1576
1677
1778
1879
1980
2081
2182
2282
2383
2484
2584
2685
2786
2886
2987
3087
3188

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 93% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
112178
212079
311881
411683
511584
611386
711287
811188
901090
100991
110892
120793
130694
140595
150496
160496
170397
180397
190397
200298
210298
220298
230298
240298
250298
260199
270199
280199
290199
300199
310199

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 7 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 24 min at the start of May to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:45 AM to 5:39 AM, and sunset from 6:08 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:456:08
212.45:456:08
312.45:446:08
412.45:446:08
512.45:436:08
612.45:436:08
712.45:436:08
812.45:426:09
912.45:426:09
1012.55:426:09
1112.55:426:09
1212.55:416:09
1312.55:416:09
1412.55:416:10
1512.55:416:10
1612.55:406:10
1712.55:406:10
1812.55:406:11
1912.55:406:11
2012.55:406:11
2112.55:406:11
2212.55:406:12
2312.55:396:12
2412.55:396:12
2512.65:396:12
2612.65:396:13
2712.65:396:13
2812.65:396:13
2912.65:396:13
3012.65:396:14
3112.65:396:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.47 kWh/m².

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 6.07 kWh/m² in April across the year — May's 5.47 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.4Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.2Bright
305.2Bright
315.2Bright
Planning a trip in May

Hazard calendar for Tân Châu

In seasonPeak

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

Tân Châu sits in the Pacific typhoon belt; the season peaks July–October.

Tân Châu's rainy season runs May–October, 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 May a good time to visit Tân Châu?

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

2.1
Sightseeing
12th-best month of the year
4.0
Beach & pool
7th-best month of the year

May is a weaker month for outdoor sightseeing in Tân Châu.

What to pack for Tân Châu in May

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

In May, Tân Châu sees daytime highs around 34°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Tân Châu in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tân Châu peaks around August 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highAug 18UV 13Nov 20UV 9
UV index (midday)Level
Jan10Extreme
Feb11Extreme
Mar12Extreme
Apr12Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct9Very high
Nov9Very high
Dec9Very high

Air quality in Tân Châu in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Tân Châu 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 Tân Châu?

Tân Châu sits at 10.8°N, 105.2°E, 7 m above sea level, in Vietnam. The nearest listed city is Ấp Long Thạnh, 6.0 km away.

Topography around Tân Châu

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

Within 3 km, the terrain around Tân Châu has only modest variations in elevation — a maximum elevation change of 18 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 26 m; within 80 km, large variations in elevation — a maximum elevation change of 691 m.

The land around Tân Châu is covered by cropland (44%) and water (20%) within 3 km, cropland (72%) within 16 km, and cropland (80%) within 80 km.

3 km
18 m
16 km
26 m
80 km
691 m
treesgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Ấp Long Thạnh 6.0 km · Hồng Ngự 12 km · Châu Phong 15 km · Châu Đốc 17 km · Kiến An 29 km · Tràm Chim 38 km · Tịnh Biên 40 km · Long Xuyên 51 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 Tân Châu (10.7983°, 105.2389°, elevation 7 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).