Hải Dương climate

Name: Hải Dương
Address: VN

Hải Dương is warmest in June, with average highs of 33 °C, and coldest in January, when nights average 13 °C. August is the wettest month (356 mm) and February the driest (27 mm). Figures are 1991–2020 climate normals.

Across a full year Hải Dương averages 1,784 mm of rain and 252 days above 25 °C.

Vietnam · population 241,373 · 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 June 33 °C
Coldest month January 13 °C
Driest month February 27 mm
Wettest month August 356 mm
Least cloud October 56 % cloud
Hottest on record July 39 °C
Coldest on record January 4.3 °C

What to expectHải Dương through the year

Hải Dương has a clear annual cycle: average daily highs run from 20 °C in January to 33 °C in June, a swing of 13 °C in mean temperature across the year.

Counted across a normal year, 252 days a year reach 25 °C, 135 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in July.

Rain is strongly seasonal. August averages 356 mm against 27 mm in February — 13 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	19.8 °C	38 mm	78 %
February	21.7 °C	27 mm	80 %
March	24.6 °C	51 mm	80 %
April	28.4 °C	85 mm	73 %
May	30.9 °C	244 mm	76 %
June	32.5 °C	247 mm	88 %
July	32.3 °C	280 mm	84 %
August	31.3 °C	356 mm	82 %
September	30.2 °C	245 mm	70 %
October	28.3 °C	117 mm	56 %
November	25.2 °C	61 mm	57 %
December	21.1 °C	34 mm	65 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	19.8 °C	13.3 °C	16.4 °C	29.6 °C	4.3 °C	3	0
February	21.7 °C	15.0 °C	18.1 °C	34.6 °C	4.7 °C	8	1
March	24.6 °C	18.0 °C	21.0 °C	35.7 °C	8.7 °C	15	3
April	28.4 °C	21.8 °C	24.6 °C	37.2 °C	12.6 °C	25	10
May	30.9 °C	24.6 °C	27.3 °C	38.4 °C	16.2 °C	30	20
June	32.5 °C	26.4 °C	29.1 °C	38.2 °C	20.0 °C	30	26
July	32.3 °C	26.4 °C	28.9 °C	38.7 °C	22.5 °C	31	26
August	31.3 °C	25.6 °C	28.0 °C	35.9 °C	21.5 °C	31	24
September	30.2 °C	24.1 °C	26.8 °C	35.1 °C	16.5 °C	29	18
October	28.3 °C	21.5 °C	24.6 °C	33.1 °C	12.1 °C	28	8
November	25.2 °C	17.9 °C	21.3 °C	33.1 °C	7.6 °C	18	1
December	21.1 °C	13.9 °C	17.5 °C	29.9 °C	4.5 °C	5	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	38 mm	7	11 h/day	78 %	76 %	14 km/h
February	27 mm	7	11 h/day	80 %	78 %	14 km/h
March	51 mm	10	12 h/day	80 %	81 %	15 km/h
April	85 mm	11	13 h/day	73 %	82 %	15 km/h
May	244 mm	18	13 h/day	76 %	82 %	14 km/h
June	247 mm	20	13 h/day	88 %	80 %	13 km/h
July	280 mm	23	13 h/day	84 %	82 %	13 km/h
August	356 mm	25	13 h/day	82 %	86 %	12 km/h
September	245 mm	20	12 h/day	70 %	84 %	12 km/h
October	117 mm	12	12 h/day	56 %	78 %	13 km/h
November	61 mm	7	11 h/day	57 %	75 %	13 km/h
December	34 mm	6	11 h/day	65 %	72 %	13 km/h

How Hải Dương 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
Hải Dương	33 °C	13 °C	1,784 mm	252
Thị Trấn Đông Triều · Vietnam	32 °C	13 °C	1,737 mm	251
Haiphong · Vietnam	32 °C	14 °C	1,773 mm	245
Bắc Ninh · Vietnam	32 °C	13 °C	1,878 mm	252
Bắc Giang · Vietnam	32 °C	13 °C	1,873 mm	248
Long Bien · Vietnam	32 °C	13 °C	1,824 mm	251
Hanoi · Vietnam	33 °C	13 °C	1,730 mm	251

Planning a trip? See the best time to visit Hải Dương.

QuestionsCommon questions about Hải Dương’s climate

When is the best time to visit Hải Dương?

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

How hot does Hải Dương get?

In June, the warmest month, daily highs average 33 °C. About 135 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 13 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Hải Dương?

August, averaging 356 mm over 25 days with rain. The driest month is February with 27 mm. The year as a whole averages 1,784 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 Hải Dương 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: 20.941°, 106.333° (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.