Tân An climate

Name: Tân An
Address: VN

Tân An is warmest in April, with average highs of 33 °C, and coldest in January, when nights average 22 °C. September is the wettest month (310 mm) and February the driest (12 mm). Figures are 1991–2020 climate normals.

Across a full year Tân An averages 1,907 mm of rain and 364 days above 25 °C.

Vietnam · population 215,250 · 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 33 °C
Coldest month January 22 °C
Driest month February 12 mm
Wettest month September 310 mm
Least cloud March 50 % cloud
Hottest on record April 37 °C
Coldest on record December 16 °C

What to expectTân An through the year

Tân An changes little through the year. Average daily highs stay between 30 and 33 °C, so no month stands out as a season in the way it would further from the equator.

Counted across a normal year, 364 days a year reach 25 °C, 266 of them reach 30 °C. The warmest reading in the 1991–2020 record is 37 °C, in April.

Rain is strongly seasonal. September averages 310 mm against 12 mm in February — 26 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.4 °C	25 mm	60 %
February	31.7 °C	12 mm	52 %
March	32.9 °C	25 mm	50 %
April	33.5 °C	72 mm	56 %
May	32.5 °C	195 mm	79 %
June	30.9 °C	245 mm	84 %
July	30.3 °C	249 mm	85 %
August	30.4 °C	266 mm	85 %
September	30.3 °C	310 mm	88 %
October	30.0 °C	300 mm	82 %
November	30.0 °C	139 mm	70 %
December	29.8 °C	69 mm	71 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.4 °C	22.1 °C	25.7 °C	34.1 °C	17.0 °C	31	19
February	31.7 °C	22.8 °C	26.5 °C	35.0 °C	18.3 °C	28	26
March	32.9 °C	24.3 °C	27.8 °C	36.2 °C	20.3 °C	31	30
April	33.5 °C	25.3 °C	28.6 °C	37.3 °C	22.1 °C	30	29
May	32.5 °C	25.3 °C	28.0 °C	37.1 °C	22.6 °C	31	28
June	30.9 °C	24.8 °C	27.0 °C	36.2 °C	22.1 °C	30	22
July	30.3 °C	24.4 °C	26.6 °C	32.9 °C	22.0 °C	31	20
August	30.4 °C	24.4 °C	26.5 °C	33.1 °C	22.5 °C	31	20
September	30.3 °C	24.0 °C	26.2 °C	33.3 °C	22.1 °C	30	19
October	30.0 °C	23.5 °C	26.0 °C	32.4 °C	19.7 °C	31	18
November	30.0 °C	23.2 °C	26.1 °C	32.8 °C	18.0 °C	30	18
December	29.8 °C	22.4 °C	25.7 °C	33.6 °C	16.1 °C	30	16

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	25 mm	4	12 h/day	60 %	75 %	12 km/h
February	12 mm	2	12 h/day	52 %	72 %	15 km/h
March	25 mm	4	12 h/day	50 %	71 %	16 km/h
April	72 mm	12	12 h/day	56 %	74 %	14 km/h
May	195 mm	25	13 h/day	79 %	82 %	13 km/h
June	245 mm	27	13 h/day	84 %	86 %	14 km/h
July	249 mm	29	13 h/day	85 %	87 %	15 km/h
August	266 mm	29	12 h/day	85 %	87 %	15 km/h
September	310 mm	28	12 h/day	88 %	88 %	13 km/h
October	300 mm	27	12 h/day	82 %	89 %	10 km/h
November	139 mm	17	12 h/day	70 %	84 %	11 km/h
December	69 mm	10	12 h/day	71 %	79 %	11 km/h

How Tân An 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
Tân An	33 °C	22 °C	1,907 mm	364
Mỹ Tho · Vietnam	33 °C	22 °C	1,919 mm	364
Cần Giuộc · Vietnam	33 °C	22 °C	1,886 mm	364
Ho Chi Minh City · Vietnam	34 °C	22 °C	1,860 mm	365
Thủ Đức · Vietnam	34 °C	22 °C	1,883 mm	364
Trảng Bàng · Vietnam	34 °C	22 °C	1,883 mm	365
Biên Hòa · Vietnam	34 °C	22 °C	1,924 mm	365

Where Tân An ranks

Ranking	Position	Value
The warmest places in Asia in January	45thof 50	30 °C
The warmest places in Asia in December	47thof 50	30 °C

Planning a trip? See the best time to visit Tân An.

QuestionsCommon questions about Tân An’s climate

When is the best time to visit Tân An?

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 Tân An get?

In April, the warmest month, daily highs average 33 °C. About 266 days a year pass 30 °C. The highest value in the 1991–2020 record is 37 °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 Tân An?

September, averaging 310 mm over 28 days with rain. The driest month is February with 12 mm. The year as a whole averages 1,907 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 Tân An 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
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.