Thốt Nốt climate

Name: Thốt Nốt
Address: VN

Thốt Nốt is warmest in April, with average highs of 34 °C, and coldest in January, when nights average 22 °C. October is the wettest month (296 mm) and February the driest (12 mm). Figures are 1991–2020 climate normals.

Across a full year Thốt Nốt averages 1,820 mm of rain and 364 days above 25 °C.

Vietnam · population 158,225 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month April 34 °C
Coldest month January 22 °C
Driest month February 12 mm
Wettest month October 296 mm
Least cloud March 51 % cloud
Hottest on record May 38 °C
Coldest on record December 16 °C

What to expectThốt Nốt through the year

Thốt Nốt has a clear annual cycle: average daily highs run from 30 °C in January to 34 °C in April, a swing of 3.2 °C in mean temperature across the year.

Counted across a normal year, 364 days a year reach 25 °C, 251 of them reach 30 °C. The warmest reading in the 1991–2020 record is 38 °C, in May.

Rain is strongly seasonal. October averages 296 mm against 12 mm in February — 25 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	29.9 °C	26 mm	61 %
February	31.5 °C	12 mm	53 %
March	33.2 °C	41 mm	51 %
April	33.6 °C	83 mm	58 %
May	32.0 °C	193 mm	80 %
June	30.4 °C	224 mm	86 %
July	30.0 °C	232 mm	86 %
August	30.1 °C	235 mm	87 %
September	30.1 °C	273 mm	88 %
October	30.3 °C	296 mm	84 %
November	30.4 °C	138 mm	71 %
December	29.8 °C	65 mm	70 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	29.9 °C	21.9 °C	25.6 °C	34.1 °C	16.3 °C	31	14
February	31.5 °C	22.4 °C	26.6 °C	34.8 °C	18.0 °C	28	24
March	33.2 °C	24.0 °C	28.1 °C	36.9 °C	20.1 °C	31	30
April	33.6 °C	25.1 °C	28.8 °C	37.7 °C	22.4 °C	30	29
May	32.0 °C	25.4 °C	28.0 °C	37.8 °C	23.2 °C	31	27
June	30.4 °C	25.0 °C	27.1 °C	35.1 °C	23.0 °C	30	19
July	30.0 °C	24.7 °C	26.7 °C	33.0 °C	22.9 °C	31	17
August	30.1 °C	24.7 °C	26.8 °C	33.2 °C	23.1 °C	31	17
September	30.1 °C	24.4 °C	26.5 °C	33.3 °C	22.6 °C	30	17
October	30.3 °C	23.8 °C	26.3 °C	32.9 °C	20.3 °C	31	20
November	30.4 °C	23.4 °C	26.3 °C	32.6 °C	18.3 °C	30	21
December	29.8 °C	22.5 °C	25.7 °C	33.1 °C	15.9 °C	30	16

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	26 mm	4	12 h/day	61 %	76 %	12 km/h
February	12 mm	2	12 h/day	53 %	72 %	14 km/h
March	41 mm	6	12 h/day	51 %	70 %	14 km/h
April	83 mm	12	12 h/day	58 %	73 %	13 km/h
May	193 mm	25	13 h/day	80 %	82 %	14 km/h
June	224 mm	26	13 h/day	86 %	86 %	16 km/h
July	232 mm	27	13 h/day	86 %	86 %	18 km/h
August	235 mm	28	12 h/day	87 %	85 %	18 km/h
September	273 mm	28	12 h/day	88 %	86 %	16 km/h
October	296 mm	27	12 h/day	84 %	86 %	12 km/h
November	138 mm	17	12 h/day	71 %	82 %	12 km/h
December	65 mm	9	12 h/day	70 %	77 %	13 km/h

How Thốt Nốt compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Thốt Nốt	34 °C	22 °C	1,820 mm	364
Long Xuyên · Vietnam	34 °C	22 °C	1,732 mm	365
Cao Lãnh · Vietnam	34 °C	22 °C	1,814 mm	365
Sa Dec · Vietnam	34 °C	22 °C	1,845 mm	364
Cần Thơ · Vietnam	33 °C	22 °C	1,858 mm	364
Rạch Giá · Vietnam	33 °C	22 °C	1,978 mm	364
Tân Châu · Vietnam	34 °C	22 °C	1,657 mm	365

Planning a trip? See the best time to visit Thốt Nốt.

QuestionsCommon questions about Thốt Nốt’s climate

When is the best time to visit Thốt Nốt?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, October, December sit closest to 20 °C on average, April is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Thốt Nốt get?

In April, the warmest month, daily highs average 34 °C. About 251 days a year pass 30 °C. The highest value in the 1991–2020 record is 38 °C.

How cold does it get in winter?

Nights average 22 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Thốt Nốt?

October, averaging 296 mm over 27 days with rain. The driest month is February with 12 mm. The year as a whole averages 1,820 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Thốt Nốt rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 10.272°, 105.534° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.