Biên Hòa climate

Name: Biên Hòa
Address: VN

Biên Hòa is warmest in April, with average highs of 34 °C, and coldest in January, when nights average 22 °C. September is the wettest month (313 mm) and February the driest (9.3 mm). Figures are 1991–2020 climate normals.

Across a full year Biên Hòa averages 1,924 mm of rain and 365 days above 25 °C.

Vietnam · population 1,272,235 · 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 9 mm
Wettest month September 313 mm
Least cloud March 49 % cloud
Hottest on record April 39 °C
Coldest on record December 16 °C

What to expectBiên Hòa through the year

Biên Hòa has a clear annual cycle: average daily highs run from 31 °C in January to 34 °C in April, a swing of 3.0 °C in mean temperature across the year.

Counted across a normal year, 365 days a year reach 25 °C, 277 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in April.

Rain is strongly seasonal. September averages 313 mm against 9 mm in February — 34 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	31.1 °C	20 mm	58 %
February	32.7 °C	9 mm	49 %
March	33.9 °C	25 mm	49 %
April	34.1 °C	74 mm	57 %
May	32.7 °C	212 mm	79 %
June	30.9 °C	266 mm	84 %
July	30.4 °C	287 mm	85 %
August	30.5 °C	288 mm	86 %
September	30.2 °C	313 mm	88 %
October	29.9 °C	257 mm	81 %
November	30.1 °C	120 mm	68 %
December	30.1 °C	53 mm	69 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	31.1 °C	21.8 °C	26.1 °C	35.4 °C	16.2 °C	31	24
February	32.7 °C	22.5 °C	27.1 °C	36.1 °C	18.5 °C	28	27
March	33.9 °C	24.1 °C	28.3 °C	38.3 °C	19.1 °C	31	31
April	34.1 °C	25.3 °C	28.9 °C	38.9 °C	21.9 °C	30	30
May	32.7 °C	25.4 °C	28.2 °C	38.9 °C	23.1 °C	31	28
June	30.9 °C	24.8 °C	27.1 °C	35.6 °C	22.6 °C	30	23
July	30.4 °C	24.4 °C	26.6 °C	32.7 °C	22.5 °C	31	21
August	30.5 °C	24.3 °C	26.6 °C	33.2 °C	22.8 °C	31	21
September	30.2 °C	24.1 °C	26.3 °C	32.5 °C	22.5 °C	30	19
October	29.9 °C	23.7 °C	26.1 °C	32.3 °C	19.9 °C	31	17
November	30.1 °C	23.2 °C	26.1 °C	33.4 °C	17.4 °C	30	18
December	30.1 °C	22.3 °C	25.8 °C	34.2 °C	16.1 °C	31	17

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	20 mm	3	12 h/day	58 %	72 %	11 km/h
February	9 mm	2	12 h/day	49 %	67 %	14 km/h
March	25 mm	5	12 h/day	49 %	67 %	15 km/h
April	74 mm	12	12 h/day	57 %	73 %	13 km/h
May	212 mm	24	13 h/day	79 %	81 %	12 km/h
June	266 mm	27	13 h/day	84 %	86 %	13 km/h
July	287 mm	29	13 h/day	85 %	87 %	14 km/h
August	288 mm	29	12 h/day	86 %	87 %	14 km/h
September	313 mm	28	12 h/day	88 %	88 %	12 km/h
October	257 mm	26	12 h/day	81 %	88 %	9.7 km/h
November	120 mm	16	12 h/day	68 %	84 %	9.8 km/h
December	53 mm	8	11 h/day	69 %	77 %	11 km/h

How Biên Hòa 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
Biên Hòa	34 °C	22 °C	1,924 mm	365
Thủ Đức · Vietnam	34 °C	22 °C	1,883 mm	364
Ho Chi Minh City · Vietnam	34 °C	22 °C	1,860 mm	365
Bến Cát · Vietnam	34 °C	22 °C	1,912 mm	364
Cần Giuộc · Vietnam	33 °C	22 °C	1,886 mm	364
Phú Mỹ · Vietnam	33 °C	22 °C	1,987 mm	364
Xuân Lộc · Vietnam	33 °C	21 °C	2,036 mm	362

Where Biên Hòa ranks

Ranking	Position	Value
The warmest places in Asia in January	21stof 50	31 °C
The warmest places in Asia in February	32ndof 50	33 °C
The warmest places in Asia in December	36thof 50	30 °C

Planning a trip? See the best time to visit Biên Hòa.

QuestionsCommon questions about Biên Hòa’s climate

When is the best time to visit Biên Hòa?

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 Biên Hòa get?

In April, the warmest month, daily highs average 34 °C. About 277 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °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 Biên Hòa?

September, averaging 313 mm over 28 days with rain. The driest month is February with 9 mm. The year as a whole averages 1,924 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 Biên Hòa 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.