Bắc Giang climate — normals and trends

Q: What is the climate of Bắc Giang?

Bắc Giang has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.7 °C and it receives 1,874 mm of precipitation per year.

Q: What is the hottest day ever recorded in Bắc Giang?

The hottest day measured in Bắc Giang between 1940 and 2025 was 19 July 1946, reaching 41.0 °C.

Q: What is the coldest day in Bắc Giang?

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

Q: Does it snow in Bắc Giang?

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

Q: Has the climate of Bắc Giang warmed?

Yes: Bắc Giang warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bắc Giang?

The wettest day measured in Bắc Giang between 1940 and 2025 was 31 August 1975, with 272 mm of rain in 24 hours.

Q: What was the windiest day in Bắc Giang?

The windiest day measured in Bắc Giang between 1940 and 2025 was 7 September 2024, with winds reaching 50.0 km/h.

Q: What is the warmest month in Bắc Giang?

The warmest month in Bắc Giang is July (29.2 °C on average); the coldest is January (16.5 °C).

Q: How much does it rain in Bắc Giang?

Bắc Giang receives on average 1,874 mm of precipitation per year, spread over about 180 rainy days.

Q: Is it sunny in Bắc Giang?

Bắc Giang gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.

Bắc Giang (Vietnam) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 23.7 °C and it receives 1,874 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 (29.2 °C on average) and the coldest is January (16.5 °C). Rainfall peaks in August.

Bắc Giang averages 0 frost days, 150 hot days (≥ 30 °C) and 180 rainy days per year.

Bắc Giang has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.0 °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

Bắc GiangBac Ninh

coords: 21.27°, 106.19°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthAugustDriest monthDecember

Mean daily temperature

23.7°C

Average daily high

27.5°C

Average daily low

20.9°C

Annual rainfall

1,874mm

Sunshine / day

7.0h

Mean relative humidity

79%

Average peak wind

12.9km/h

Seasonal range

12.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

150 d/yr

Rainy days (≥ 1 mm)

180 d/yr

Annual snowfall

0.0 cm

Average feels-like high

31.0 °C

Average feels-like low

23.4 °C

Average peak gust

28.1 km/h

Tropical nights (≥ 20 °C)

225 d/yr

Solar radiation

13.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.35 · 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

41.0 °C

19 July 1946

Coldest day

2.8 °C

12 January 1955

Wettest day

272 mm

31 August 1975

Windiest day

50.0 km/h

7 September 2024

Strongest gust

115.2 km/h

7 September 2024

Hottest feels-like

47.8 °C

30 May 2015

Coldest feels-like

-0.7 °C

12 January 1955

Sunniest day

13.1 h

24 June 1956

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	38.9 °C1 June 2025	7.3 °C13 January 2025	24.4 °C	2,154 mm	161
2024	38.5 °C30 April 2024	8.2 °C24 January 2024	25.1 °C	2,325 mm	189
2023	38.0 °C17 May 2023	7.2 °C30 January 2023	25.0 °C	1,666 mm	170
2022	36.9 °C21 June 2022	7.8 °C20 February 2022	24.1 °C	2,052 mm	156
2021	38.9 °C3 June 2021	7.4 °C2 January 2021	24.7 °C	1,614 mm	169
2020	38.5 °C21 May 2020	9.5 °C31 January 2020	24.7 °C	1,800 mm	149
2019	38.3 °C19 May 2019	8.6 °C10 December 2019	25.0 °C	1,714 mm	167
2018	38.4 °C6 July 2018	7.4 °C30 December 2018	24.4 °C	2,063 mm	161
2017	39.9 °C3 June 2017	10.3 °C18 December 2017	24.4 °C	2,125 mm	145
2016	37.7 °C3 June 2016	5.1 °C24 January 2016	24.5 °C	1,749 mm	183
2015	38.4 °C30 May 2015	8.6 °C14 January 2015	24.9 °C	1,894 mm	177
2014	38.2 °C22 May 2014	5.2 °C23 January 2014	24.1 °C	2,013 mm	170
2013	38.4 °C16 May 2013	6.2 °C20 December 2013	23.8 °C	2,093 mm	154
2012	38.1 °C2 May 2012	8.2 °C5 January 2012	23.9 °C	1,860 mm	170
2011	37.3 °C7 July 2011	7.0 °C11 January 2011	22.9 °C	1,654 mm	137
2010	37.9 °C20 May 2010	8.7 °C27 December 2010	24.4 °C	1,954 mm	162
2009	37.3 °C8 June 2009	6.5 °C11 January 2009	24.4 °C	1,434 mm	173
2008	36.3 °C23 June 2008	6.0 °C2 February 2008	23.2 °C	2,080 mm	155
2007	37.9 °C9 June 2007	7.3 °C29 January 2007	24.1 °C	1,629 mm	153
2006	36.4 °C11 April 2006	7.9 °C23 December 2006	24.2 °C	1,495 mm	179
2005	37.2 °C13 June 2005	8.0 °C2 January 2005	23.9 °C	1,517 mm	166
2004	37.9 °C3 July 2004	6.5 °C9 February 2004	23.7 °C	1,513 mm	160
2003	38.5 °C6 May 2003	6.8 °C7 January 2003	24.6 °C	1,635 mm	188
2002	36.7 °C21 May 2002	7.0 °C27 December 2002	24.1 °C	1,922 mm	173
2001	37.4 °C21 April 2001	5.3 °C24 December 2001	23.7 °C	2,051 mm	145
2000	36.3 °C12 August 2000	6.9 °C2 February 2000	23.8 °C	1,916 mm	147
1999	35.9 °C6 June 1999	3.8 °C24 December 1999	23.9 °C	1,652 mm	161
1998	37.7 °C15 June 1998	9.6 °C20 January 1998	24.7 °C	1,508 mm	168
1997	38.1 °C9 June 1997	8.2 °C12 January 1997	23.9 °C	2,395 mm	148
1996	38.2 °C6 May 1996	5.8 °C21 February 1996	23.4 °C	2,049 mm	153
1995	37.3 °C23 June 1995	6.1 °C31 December 1995	23.6 °C	1,872 mm	152
1994	38.8 °C3 May 1994	9.5 °C24 January 1994	23.9 °C	2,292 mm	132
1993	37.4 °C4 June 1993	5.2 °C31 January 1993	23.7 °C	1,841 mm	159
1992	37.0 °C8 May 1992	8.0 °C17 January 1992	23.5 °C	1,723 mm	139
1991	36.8 °C24 May 1991	6.5 °C28 December 1991	24.2 °C	1,404 mm	161
1990	38.4 °C22 April 1990	8.8 °C6 December 1990	24.0 °C	2,130 mm	153
1989	36.7 °C18 June 1989	8.2 °C29 January 1989	23.4 °C	1,865 mm	147
1988	38.5 °C24 May 1988	8.0 °C19 February 1988	23.4 °C	1,812 mm	147
1987	38.0 °C21 May 1987	6.6 °C8 December 1987	24.6 °C	1,821 mm	175
1986	38.0 °C2 July 1986	5.5 °C3 March 1986	23.6 °C	2,309 mm	142
1985	37.8 °C27 May 1985	7.4 °C25 December 1985	23.1 °C	1,964 mm	159
1984	36.9 °C5 June 1984	6.4 °C9 January 1984	23.2 °C	1,696 mm	136
1983	38.6 °C18 June 1983	5.6 °C23 January 1983	23.4 °C	1,652 mm	161
1982	37.0 °C20 June 1982	3.2 °C27 December 1982	23.7 °C	2,127 mm	143
1981	37.2 °C25 August 1981	7.2 °C21 December 1981	23.9 °C	2,616 mm	162
1980	37.6 °C31 May 1980	7.3 °C8 February 1980	23.9 °C	2,108 mm	157
1979	37.0 °C15 July 1979	9.7 °C26 December 1979	23.9 °C	2,008 mm	174
1978	36.3 °C25 June 1978	7.6 °C22 January 1978	23.4 °C	2,811 mm	132
1977	37.8 °C9 June 1977	5.5 °C31 January 1977	23.4 °C	1,716 mm	148
1976	36.4 °C17 June 1976	6.8 °C13 January 1976	23.0 °C	1,760 mm	136
1975	36.5 °C30 July 1975	3.3 °C31 December 1975	23.5 °C	2,550 mm	148
1974	37.7 °C2 June 1974	2.8 °C2 January 1974	23.5 °C	1,835 mm	162
1973	39.1 °C20 May 1973	4.6 °C27 December 1973	24.3 °C	2,600 mm	157
1972	38.7 °C10 May 1972	6.3 °C16 January 1972	23.6 °C	2,165 mm	167
1971	37.5 °C18 June 1971	4.9 °C10 January 1971	23.2 °C	1,811 mm	139
1970	37.1 °C9 May 1970	6.9 °C31 January 1970	23.5 °C	1,615 mm	147
1969	39.0 °C13 May 1969	6.8 °C11 December 1969	23.8 °C	1,316 mm	183
1968	38.0 °C24 May 1968	4.8 °C14 February 1968	23.8 °C	1,819 mm	142
1967	39.3 °C6 July 1967	4.4 °C18 January 1967	23.3 °C	1,348 mm	146
1966	36.7 °C12 May 1966	7.0 °C1 January 1966	23.5 °C	1,995 mm	127
1965	36.3 °C14 May 1965	6.1 °C17 December 1965	23.2 °C	1,876 mm	128
1964	36.8 °C18 June 1964	5.3 °C19 December 1964	23.4 °C	2,118 mm	146
1963	35.7 °C6 September 1963	3.5 °C16 January 1963	23.3 °C	1,952 mm	140
1962	37.3 °C28 May 1962	5.7 °C28 January 1962	23.3 °C	1,577 mm	151
1961	37.3 °C1 June 1961	3.7 °C19 January 1961	23.8 °C	1,810 mm	150
1960	37.6 °C5 May 1960	5.8 °C3 January 1960	23.8 °C	1,887 mm	149
1959	37.4 °C12 June 1959	7.2 °C14 January 1959	23.6 °C	1,643 mm	153
1958	39.5 °C10 May 1958	5.3 °C2 February 1958	23.7 °C	1,555 mm	161
1957	38.1 °C12 May 1957	4.9 °C14 February 1957	23.7 °C	1,658 mm	152
1956	36.9 °C19 April 1956	7.2 °C9 January 1956	23.3 °C	1,675 mm	142
1955	36.6 °C14 April 1955	2.8 °C12 January 1955	23.4 °C	1,526 mm	140
1954	38.1 °C23 July 1954	6.1 °C17 December 1954	24.0 °C	1,390 mm	137
1953	36.9 °C26 June 1953	7.1 °C13 December 1953	23.7 °C	1,935 mm	141
1952	37.0 °C11 July 1952	5.9 °C19 February 1952	24.1 °C	2,342 mm	136
1951	35.3 °C17 May 1951	6.3 °C13 January 1951	23.5 °C	2,136 mm	123
1950	36.6 °C21 April 1950	8.6 °C14 February 1950	23.7 °C	1,979 mm	135
1949	40.3 °C14 June 1949	5.0 °C10 January 1949	24.1 °C	1,470 mm	136
1948	35.8 °C13 July 1948	5.9 °C4 January 1948	23.5 °C	1,794 mm	129
1947	36.0 °C14 June 1947	6.8 °C21 December 1947	23.1 °C	1,586 mm	113
1946	41.0 °C19 July 1946	6.3 °C8 January 1946	25.0 °C	891 mm	169
1945	34.7 °C22 June 1945	5.3 °C18 January 1945	22.2 °C	1,985 mm	99
1944	37.1 °C8 April 1944	4.2 °C21 December 1944	23.0 °C	2,121 mm	114
1943	35.9 °C29 May 1943	5.8 °C13 January 1943	22.8 °C	1,816 mm	99
1942	35.0 °C24 May 1942	7.7 °C14 December 1942	23.0 °C	2,365 mm	99
1941	34.9 °C26 April 1941	8.1 °C4 February 1941	23.2 °C	1,881 mm	113
1940	34.9 °C16 May 1940	6.9 °C25 January 1940	22.8 °C	2,072 mm	106

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

28.0 °C

+0.5 °C

Hot days (≥ 30 °C)

161 d/yr

+11

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2154 mm

+280 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	22.6 °C	+2.5 °C	9 mm	-27 mm
Feb	19.6 °C	-1.5 °C	36 mm	+1 mm
Mar	24.3 °C	-0.1 °C	36 mm	-20 mm
Apr	29.3 °C	+0.9 °C	82 mm	-17 mm
May	31.1 °C	-0.3 °C	275 mm	+30 mm
Jun	33.2 °C	+0.5 °C	348 mm	+60 mm
Jul	33.3 °C	+0.4 °C	317 mm	+37 mm
Aug	32.3 °C	+0.3 °C	374 mm	+15 mm
Sep	32.3 °C	+1.2 °C	355 mm	+104 mm
Oct	29.3 °C	+0.6 °C	197 mm	+56 mm
Nov	24.4 °C	-1.1 °C	70 mm	+15 mm
Dec	23.7 °C	+1.9 °C	54 mm	+26 mm

The year's extremes

Hottest day

38.9 °C

1 Jun 2025

Coldest day

7.3 °C

13 Jan 2025

Wettest day

75.2 mm

6 Oct 2025

Windiest day

36.9 km/h

22 Jul 2025

Strongest gust

73.1 km/h

22 Jul 2025

Hottest feels-like

46.7 °C

2 Jun 2025

Coldest feels-like

5.1 °C

13 Jan 2025

Sunniest day

12.7 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 Bắc Giang?

Bắc Giang has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.7 °C and it receives 1,874 mm of precipitation per year.

What is the hottest day ever recorded in Bắc Giang?

The hottest day measured in Bắc Giang between 1940 and 2025 was 19 July 1946, reaching 41.0 °C.

What is the coldest day in Bắc Giang?

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

Does it snow in Bắc Giang?

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

Has the climate of Bắc Giang warmed?

Yes: Bắc Giang warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bắc Giang?

The wettest day measured in Bắc Giang between 1940 and 2025 was 31 August 1975, with 272 mm of rain in 24 hours.

What was the windiest day in Bắc Giang?

The windiest day measured in Bắc Giang between 1940 and 2025 was 7 September 2024, with winds reaching 50.0 km/h.

What is the warmest month in Bắc Giang?

The warmest month in Bắc Giang is July (29.2 °C on average); the coldest is January (16.5 °C).

How much does it rain in Bắc Giang?

Bắc Giang receives on average 1,874 mm of precipitation per year, spread over about 180 rainy days.

Is it sunny in Bắc Giang?

Bắc Giang gets on average 7.0 hours of sunshine per day, roughly 2,555 hours per year over 1940-2025.

Are there tropical nights in Bắc Giang?

Yes: Bắc Giang has on average 225 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bắc Giang?

In Bắc Giang, between 1940 and 2025, the highest apparent temperature reached 47.8 °C on 30 May 2015, and the lowest was -0.7 °C on 12 January 1955.

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