Thốt Nốt weather in January

In January, Thốt Nốt sees average daytime highs of 30°C and overnight lows near 23°C, with 27 mm of rain across 4.6 wet days and about 11.5 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 24% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 24 min at the start of January to 11 h 30 min by month's end. Set against the rest of the year, January is Thốt Nốt's 4th-clearest and 9th-windiest month. For the whole year in context, see Thốt Nốt's year-round climate.

Daytime high
30°
12th warmest
Overnight low
23°
1st coldest
Rainfall
27 mm
4.6 wet days
Daylight
11 h 30 min
6:23 AM – 5:51 PM
Cloud cover
62%
4th clearest
Wind
8 km/h
9th windiest
Solar energy
5.05 kWh/m²
Travel score
5.5
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 30°C through the month.

A typical January day in Thốt Nốt reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
203023
213023
223023
233023
243023
253023
263023
273023
283023
293023
303023
313023

How January really feels in Thốt Nốt

Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Thốt Nốt weather by month

How January compares with the rest of the year at a glance. January is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°274.611.55.5
Feb31° / 23°12211.75.2
Mar33° / 25°365.811.93.8
Apr34° / 26°8212.412.22.8
May33° / 26°18524.912.52.2
Jun31° / 26°22026.712.62.4
Jul31° / 25°22527.712.52.6
Aug31° / 25°22928.612.32.5
Sep31° / 25°26528.512.12.4
Oct31° / 25°28927.311.82.6
Nov31° / 24°13917.211.53.5
Dec30° / 23°639.511.44.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% of January, with mostly cloudy or overcast conditions the remaining 55%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13961
24060
34258
44258
54258
64258
74456
84456
94456
104456
114456
124456
134555
144456
154456
164456
174555
184456
194456
204456
214555
224654
234654
244654
254852
264852
274951
285050
295050
305149
315248

Chance of precipitation in January

Any precipitation

Thốt Nốt gets around 27 mm of rain over 4.6 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 20% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
120
219
319
418
517
616
716
815
915
1015
1115
1215
1315
1415
1515
1616
1716
1816
1916
2016
2116
2216
2316
2415
2515
2614
2713
2812
2911
3010
3110

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 61% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11427617
21427626
30427636
40327655
50327655
60327664
70327664
80327664
90327673
100328663
110328663
121329643
131329643
141330633
151330633
161331623
171331623
181432603
191433593
201433593
211434583
220434593
230435583
240435583
250436573
260436573
270437563
280437563
290438553
300438553
310439543

Wind in January

Winds average 8 km/h in January.

Across January, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 24 min at the start of January to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:19 AM to 6:25 AM, and sunset from 5:43 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:195:43
211.46:195:44
311.46:205:44
411.46:205:45
511.46:205:45
611.46:215:46
711.46:215:46
811.46:215:47
911.46:225:47
1011.46:225:48
1111.46:225:48
1211.46:225:49
1311.46:235:49
1411.56:235:50
1511.56:235:50
1611.56:235:51
1711.56:245:51
1811.56:245:52
1911.56:245:52
2011.56:245:53
2111.56:245:53
2211.56:245:54
2311.56:245:54
2411.56:255:55
2511.56:255:55
2611.56:255:56
2711.56:255:56
2811.56:255:56
2911.56:255:57
3011.56:255:57
3111.56:255:58

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.05 kWh/m².

For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 6.02 kWh/m² in April across the year — January's 5.05 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.0Bright
165.0Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.3Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.4Bright
315.4Bright
Planning a trip in January

Hazard calendar for Thốt Nốt

In seasonPeak

In January, Thốt Nốt sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

Thốt Nốt sits in the Pacific typhoon belt; the season peaks July–October.

Thốt Nốt'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 January a good time to visit Thốt Nốt?

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

5.5
Sightseeing
1st-best month of the year
7.5
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Thốt Nốt for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Thốt Nốt in January

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

In January, Thốt Nốt sees daytime highs around 30°C and nights near 23°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

UV index in Thốt Nốt in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thốt Nốt 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 Thốt Nốt in January

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Thốt Nốt 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 Thốt Nốt?

Thốt Nốt sits at 10.3°N, 105.5°E, 6 m above sea level, in Vietnam. The nearest listed city is Lai Vung, 7.0 km away.

Topography around Thốt Nốt

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

Within 3 km, the terrain around Thốt Nốt has only modest variations in elevation — a maximum elevation change of 10 m around an average of 3 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 Thốt Nốt is covered by cropland (31%), trees (24%) and water (24%) within 3 km, cropland (58%) and trees (26%) within 16 km, and cropland (66%) and trees (24%) within 80 km.

3 km
10 m
16 km
23 m
80 km
680 m
treesgrasslandcroplandartificial surfacesbare terrainwater
January weather nearby: Lai Vung 7.0 km · Vĩnh Thạnh 16 km · Long Xuyên 17 km · Ô Môn 21 km · Quận Đức Thịnh 23 km · Cờ Đỏ 23 km · Thới Lai 23 km · Cao Lãnh 24 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 Thốt Nốt (10.2721°, 105.5338°, elevation 6 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).