Hải Dương climate — normals and trends

Q: What is the climate of Hải Dương?

Hải Dương has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 1,806 mm of precipitation per year.

Q: What is the hottest day ever recorded in Hải Dương?

The hottest day measured in Hải Dương between 1940 and 2025 was 19 July 1946, reaching 41.1 °C.

Q: What is the coldest day in Hải Dương?

The coldest day measured in Hải Dương between 1940 and 2025 was 12 January 1955, at 2.8 °C.

Q: Does it snow in Hải Dương?

Almost never: Hải Dương sees virtually no snow, with about 0 frost days per year.

Q: Has the climate of Hải Dương warmed?

Yes: Hải Dương warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hải Dương?

The wettest day measured in Hải Dương between 1940 and 2025 was 31 August 1975, with 248 mm of rain in 24 hours.

Q: What was the windiest day in Hải Dương?

The windiest day measured in Hải Dương between 1940 and 2025 was 7 September 2024, with winds reaching 51.7 km/h.

Q: What is the warmest month in Hải Dương?

The warmest month in Hải Dương is July (29.5 °C on average); the coldest is January (16.7 °C).

Q: How much does it rain in Hải Dương?

Hải Dương receives on average 1,806 mm of precipitation per year, spread over about 178 rainy days.

Q: Is it sunny in Hải Dương?

Hải Dương gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.

Hải Dương (Vietnam) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 23.9 °C and it receives 1,806 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is July (29.5 °C on average) and the coldest is January (16.7 °C). Rainfall peaks in August.

Hải Dương averages 0 frost days, 149 hot days (≥ 30 °C) and 178 rainy days per year.

Hải Dương has warmed by +1.1 °C between 1940 and 2025, or +0.13 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.1 °C (on 19 July 1946) and the coldest 2.8 °C (on 12 January 1955).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

Hải DươngHai Phong

coords: 20.94°, 106.33°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

23.9°C

Average daily high

27.6°C

Average daily low

21.2°C

Annual rainfall

1,806mm

Sunshine / day

7.1h

Mean relative humidity

80%

Average peak wind

13.5km/h

Seasonal range

12.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

149 d/yr

Rainy days (≥ 1 mm)

178 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.1 °C

Average feels-like low

23.7 °C

Average peak gust

28.7 km/h

Tropical nights (≥ 20 °C)

229 d/yr

Solar radiation

13.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.32 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

41.1 °C

19 July 1946

Coldest day

2.8 °C

12 January 1955

Wettest day

248 mm

31 August 1975

Windiest day

51.7 km/h

7 September 2024

Strongest gust

110.9 km/h

23 August 1996

Hottest feels-like

47.6 °C

7 May 2003

Coldest feels-like

-0.4 °C

12 January 1955

Sunniest day

13.1 h

22 June 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.9 °C1 June 2025	7.7 °C13 January 2025	24.5 °C	2,067 mm	157
2024	38.6 °C30 April 2024	8.4 °C24 January 2024	25.2 °C	2,196 mm	187
2023	38.3 °C17 May 2023	7.9 °C30 January 2023	25.1 °C	1,574 mm	171
2022	37.2 °C18 July 2022	8.0 °C20 February 2022	24.2 °C	2,066 mm	155
2021	39.1 °C20 June 2021	7.7 °C2 January 2021	24.8 °C	1,632 mm	165
2020	38.5 °C21 May 2020	10.5 °C17 December 2020	24.9 °C	1,794 mm	146
2019	38.1 °C18 May 2019	9.2 °C10 December 2019	25.2 °C	1,635 mm	166
2018	38.3 °C6 July 2018	7.8 °C30 December 2018	24.5 °C	2,048 mm	160
2017	39.8 °C3 June 2017	10.2 °C20 December 2017	24.5 °C	2,062 mm	144
2016	38.0 °C3 June 2016	5.2 °C24 January 2016	24.6 °C	1,723 mm	180
2015	38.7 °C3 July 2015	9.0 °C14 January 2015	25.1 °C	1,771 mm	180
2014	38.2 °C22 May 2014	6.2 °C23 January 2014	24.2 °C	1,828 mm	165
2013	38.5 °C16 May 2013	6.5 °C20 December 2013	23.9 °C	2,108 mm	152
2012	37.7 °C2 May 2012	8.5 °C5 January 2012	24.0 °C	1,893 mm	169
2011	37.6 °C7 July 2011	7.3 °C11 January 2011	23.0 °C	1,605 mm	134
2010	37.9 °C20 May 2010	8.9 °C27 December 2010	24.6 °C	1,863 mm	160
2009	37.4 °C21 June 2009	6.9 °C11 January 2009	24.5 °C	1,585 mm	169
2008	36.6 °C23 June 2008	6.2 °C2 February 2008	23.4 °C	1,870 mm	156
2007	38.0 °C9 June 2007	7.8 °C30 November 2007	24.2 °C	1,565 mm	151
2006	36.8 °C6 June 2006	8.6 °C23 December 2006	24.3 °C	1,365 mm	175
2005	37.1 °C13 June 2005	7.9 °C2 January 2005	24.0 °C	1,513 mm	163
2004	38.0 °C3 July 2004	6.8 °C9 February 2004	23.8 °C	1,389 mm	151
2003	38.4 °C6 May 2003	7.2 °C7 January 2003	24.8 °C	1,649 mm	186
2002	37.1 °C21 May 2002	7.0 °C27 December 2002	24.2 °C	1,770 mm	171
2001	37.2 °C21 April 2001	5.9 °C24 December 2001	23.9 °C	1,987 mm	144
2000	36.6 °C26 May 2000	7.1 °C2 February 2000	24.0 °C	1,797 mm	148
1999	35.8 °C6 June 1999	4.5 °C24 December 1999	24.1 °C	1,572 mm	158
1998	37.7 °C15 June 1998	10.0 °C20 January 1998	24.9 °C	1,488 mm	169
1997	38.5 °C9 June 1997	8.5 °C12 January 1997	24.1 °C	2,277 mm	145
1996	38.0 °C6 May 1996	5.9 °C21 February 1996	23.6 °C	2,056 mm	154
1995	37.3 °C23 June 1995	7.3 °C31 December 1995	23.7 °C	1,691 mm	139
1994	38.9 °C3 May 1994	9.9 °C27 February 1994	24.0 °C	2,267 mm	130
1993	37.5 °C4 June 1993	5.8 °C31 January 1993	23.9 °C	1,682 mm	155
1992	37.1 °C24 June 1992	7.9 °C17 January 1992	23.6 °C	1,767 mm	137
1991	36.5 °C24 May 1991	6.3 °C28 December 1991	24.4 °C	1,352 mm	157
1990	38.4 °C22 April 1990	9.0 °C1 February 1990	24.2 °C	1,994 mm	149
1989	36.7 °C18 June 1989	8.4 °C13 January 1989	23.6 °C	1,920 mm	148
1988	38.8 °C24 May 1988	8.1 °C19 February 1988	23.6 °C	1,717 mm	145
1987	38.1 °C21 May 1987	7.2 °C8 December 1987	24.8 °C	1,791 mm	177
1986	38.1 °C2 July 1986	6.2 °C1 March 1986	23.8 °C	2,127 mm	144
1985	37.6 °C27 May 1985	7.8 °C24 December 1985	23.3 °C	2,110 mm	157
1984	37.0 °C14 June 1984	6.6 °C9 January 1984	23.4 °C	1,645 mm	140
1983	38.9 °C18 June 1983	5.7 °C25 January 1983	23.7 °C	1,554 mm	162
1982	37.2 °C1 June 1982	4.1 °C28 December 1982	23.8 °C	2,123 mm	141
1981	37.1 °C25 August 1981	7.1 °C21 December 1981	24.1 °C	2,575 mm	159
1980	38.0 °C31 May 1980	7.4 °C8 February 1980	24.0 °C	2,087 mm	152
1979	37.0 °C15 July 1979	10.1 °C26 December 1979	24.0 °C	1,914 mm	165
1978	36.7 °C25 June 1978	8.5 °C22 January 1978	23.6 °C	2,834 mm	132
1977	37.8 °C9 June 1977	6.2 °C30 January 1977	23.6 °C	1,604 mm	148
1976	36.7 °C17 June 1976	7.4 °C13 January 1976	23.1 °C	1,722 mm	138
1975	36.4 °C30 July 1975	3.9 °C31 December 1975	23.6 °C	2,421 mm	148
1974	37.8 °C2 June 1974	3.4 °C2 January 1974	23.7 °C	1,680 mm	160
1973	39.0 °C20 May 1973	4.9 °C27 December 1973	24.5 °C	2,533 mm	158
1972	38.1 °C10 May 1972	7.0 °C16 January 1972	23.8 °C	2,228 mm	165
1971	38.4 °C18 June 1971	5.5 °C10 January 1971	23.3 °C	1,817 mm	142
1970	37.4 °C9 May 1970	7.2 °C31 January 1970	23.7 °C	1,506 mm	146
1969	39.5 °C13 May 1969	7.1 °C11 December 1969	24.0 °C	1,310 mm	185
1968	38.2 °C24 May 1968	5.7 °C14 February 1968	23.9 °C	1,726 mm	145
1967	39.6 °C6 July 1967	4.3 °C18 January 1967	23.4 °C	1,400 mm	147
1966	37.1 °C12 May 1966	7.3 °C27 December 1966	23.7 °C	1,852 mm	132
1965	36.4 °C20 July 1965	6.3 °C18 December 1965	23.4 °C	1,813 mm	132
1964	36.9 °C31 July 1964	5.4 °C19 December 1964	23.5 °C	1,984 mm	142
1963	35.4 °C18 July 1963	4.3 °C16 January 1963	23.5 °C	1,994 mm	138
1962	37.2 °C28 May 1962	6.1 °C28 January 1962	23.4 °C	1,473 mm	148
1961	37.5 °C13 July 1961	4.3 °C18 January 1961	24.0 °C	1,712 mm	145
1960	37.0 °C14 June 1960	6.3 °C3 January 1960	24.0 °C	1,727 mm	145
1959	37.6 °C12 June 1959	7.6 °C14 January 1959	23.7 °C	1,490 mm	145
1958	38.7 °C10 May 1958	5.8 °C2 February 1958	23.8 °C	1,493 mm	161
1957	38.1 °C12 May 1957	5.4 °C14 February 1957	23.8 °C	1,582 mm	152
1956	36.9 °C19 April 1956	7.5 °C9 January 1956	23.4 °C	1,637 mm	144
1955	36.7 °C15 April 1955	2.8 °C12 January 1955	23.5 °C	1,466 mm	144
1954	38.5 °C18 June 1954	6.6 °C17 December 1954	24.2 °C	1,367 mm	137
1953	37.1 °C26 June 1953	7.5 °C13 December 1953	24.0 °C	1,856 mm	142
1952	37.4 °C11 July 1952	6.2 °C19 February 1952	24.3 °C	2,217 mm	138
1951	35.5 °C17 May 1951	6.3 °C13 January 1951	23.7 °C	2,011 mm	128
1950	36.6 °C21 April 1950	9.5 °C15 February 1950	24.0 °C	1,749 mm	140
1949	40.5 °C14 June 1949	5.6 °C10 January 1949	24.3 °C	1,430 mm	139
1948	36.8 °C16 July 1948	6.2 °C4 January 1948	23.8 °C	1,685 mm	133
1947	36.3 °C14 June 1947	7.1 °C21 December 1947	23.3 °C	1,460 mm	119
1946	41.1 °C19 July 1946	6.8 °C8 January 1946	25.1 °C	878 mm	167
1945	35.0 °C22 June 1945	5.9 °C18 January 1945	22.4 °C	1,929 mm	99
1944	37.0 °C8 April 1944	4.9 °C21 December 1944	23.2 °C	1,949 mm	117
1943	36.5 °C29 May 1943	6.3 °C13 January 1943	23.0 °C	1,657 mm	98
1942	35.3 °C24 May 1942	8.1 °C13 February 1942	23.2 °C	2,044 mm	102
1941	35.1 °C26 April 1941	9.0 °C4 February 1941	23.4 °C	1,884 mm	119
1940	35.4 °C16 May 1940	7.4 °C25 January 1940	23.0 °C	2,111 mm	112

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

27.9 °C

+0.3 °C

Hot days (≥ 30 °C)

157 d/yr

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2067 mm

+261 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	22.4 °C	+2.2 °C	10 mm	-26 mm
Feb	19.8 °C	-1.5 °C	37 mm	+3 mm
Mar	24.0 °C	-0.4 °C	40 mm	-15 mm
Apr	28.7 °C	+0.4 °C	102 mm	+9 mm
May	31.1 °C	-0.3 °C	223 mm	-2 mm
Jun	33.4 °C	+0.5 °C	302 mm	+43 mm
Jul	33.4 °C	+0.4 °C	318 mm	+68 mm
Aug	32.3 °C	+0.3 °C	374 mm	+22 mm
Sep	32.2 °C	+1.2 °C	379 mm	+115 mm
Oct	29.2 °C	+0.5 °C	158 mm	+6 mm
Nov	24.4 °C	-1.1 °C	69 mm	+11 mm
Dec	23.6 °C	+1.7 °C	56 mm	+28 mm

The year's extremes

Hottest day

38.9 °C

1 Jun 2025

Coldest day

7.7 °C

13 Jan 2025

Wettest day

91.2 mm

29 Sep 2025

Windiest day

37.5 km/h

22 Jul 2025

Strongest gust

77.0 km/h

22 Jul 2025

Hottest feels-like

46.1 °C

30 Jul 2025

Coldest feels-like

5.9 °C

13 Jan 2025

Sunniest day

12.6 h

1 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Hải Dương?

Hải Dương has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 1,806 mm of precipitation per year.

What is the hottest day ever recorded in Hải Dương?

The hottest day measured in Hải Dương between 1940 and 2025 was 19 July 1946, reaching 41.1 °C.

What is the coldest day in Hải Dương?

The coldest day measured in Hải Dương between 1940 and 2025 was 12 January 1955, at 2.8 °C.

Does it snow in Hải Dương?

Almost never: Hải Dương sees virtually no snow, with about 0 frost days per year.

Has the climate of Hải Dương warmed?

Yes: Hải Dương warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hải Dương?

The wettest day measured in Hải Dương between 1940 and 2025 was 31 August 1975, with 248 mm of rain in 24 hours.

What was the windiest day in Hải Dương?

The windiest day measured in Hải Dương between 1940 and 2025 was 7 September 2024, with winds reaching 51.7 km/h.

What is the warmest month in Hải Dương?

The warmest month in Hải Dương is July (29.5 °C on average); the coldest is January (16.7 °C).

How much does it rain in Hải Dương?

Hải Dương receives on average 1,806 mm of precipitation per year, spread over about 178 rainy days.

Is it sunny in Hải Dương?

Hải Dương gets on average 7.1 hours of sunshine per day, roughly 2,592 hours per year over 1940-2025.

Are there tropical nights in Hải Dương?

Yes: Hải Dương has on average 229 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hải Dương?

In Hải Dương, between 1940 and 2025, the highest apparent temperature reached 47.6 °C on 7 May 2003, and the lowest was -0.4 °C on 12 January 1955.

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