Hà Giang climate — normals and trends

Q: What is the climate of Hà Giang?

Hà Giang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.8 °C and it receives 2,555 mm of precipitation per year.

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

The hottest day measured in Hà Giang between 1940 and 2025 was 26 July 2024, reaching 37.3 °C.

Q: What is the coldest day in Hà Giang?

The coldest day measured in Hà Giang between 1940 and 2025 was 2 January 1974, at -1.4 °C.

Q: Does it snow in Hà Giang?

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

Q: Has the climate of Hà Giang warmed?

Yes: Hà Giang warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hà Giang?

The wettest day measured in Hà Giang between 1940 and 2025 was 17 August 1971, with 193 mm of rain in 24 hours.

Q: What was the windiest day in Hà Giang?

The windiest day measured in Hà Giang between 1940 and 2025 was 3 July 1964, with winds reaching 20.7 km/h.

Q: What is the warmest month in Hà Giang?

The warmest month in Hà Giang is July (25.6 °C on average); the coldest is January (13.7 °C).

Q: How much does it rain in Hà Giang?

Hà Giang receives on average 2,555 mm of precipitation per year, spread over about 251 rainy days.

Q: Is it sunny in Hà Giang?

Hà Giang gets on average 6.4 hours of sunshine per day, roughly 2,336 hours per year over 1940-2025.

Hà Giang (Vietnam) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 20.8 °C and it receives 2,555 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 (25.6 °C on average) and the coldest is January (13.7 °C). Rainfall peaks in June.

Hà Giang averages 0 frost days, 64 hot days (≥ 30 °C) and 251 rainy days per year.

Hà Giang has warmed by +1.9 °C between 1940 and 2025, or +0.22 °C per decade. This trend is statistically significant.

The hottest day of the period reached 37.3 °C (on 26 July 2024) and the coldest -1.4 °C (on 2 January 1974).

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

Hà GiangTuyen Quang

coords: 22.82°, 104.98°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

20.8°C

Average daily high

24.4°C

Average daily low

17.9°C

Annual rainfall

2,555mm

Sunshine / day

6.4h

Mean relative humidity

84%

Average peak wind

6.5km/h

Seasonal range

11.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

64 d/yr

Rainy days (≥ 1 mm)

251 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.4 °C

Average feels-like low

20.2 °C

Average peak gust

26.6 km/h

Tropical nights (≥ 20 °C)

169 d/yr

Solar radiation

12.2 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.9 °C

since 1940

+0.2 °C per decade · r² = 0.71 · 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

37.3 °C

26 July 2024

Coldest day

-1.4 °C

2 January 1974

Wettest day

193 mm

17 August 1971

Windiest day

20.7 km/h

3 July 1964

Strongest gust

100.4 km/h

26 September 1955

Hottest feels-like

44.5 °C

26 July 2024

Coldest feels-like

-4.8 °C

2 January 1974

Snowiest day

0.3 cm

24 January 2016

Sunniest day

13.4 h

12 June 2013

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	36.1 °C1 June 2025	3.8 °C12 January 2025	21.6 °C	2,601 mm	94	0
2024	37.3 °C26 July 2024	7.2 °C25 January 2024	22.2 °C	2,858 mm	105	0
2023	36.1 °C22 May 2023	3.0 °C30 January 2023	22.1 °C	2,288 mm	113	0
2022	35.0 °C3 July 2022	5.0 °C19 December 2022	21.4 °C	2,491 mm	89	0
2021	35.9 °C4 August 2021	5.2 °C13 January 2021	21.7 °C	2,258 mm	102	0
2020	36.3 °C21 May 2020	7.1 °C22 December 2020	21.5 °C	2,753 mm	94	0
2019	35.3 °C19 May 2019	2.5 °C8 December 2019	22.1 °C	2,349 mm	102	0
2018	34.7 °C4 July 2018	7.0 °C6 February 2018	21.7 °C	2,555 mm	80	0
2017	36.3 °C3 June 2017	4.2 °C20 December 2017	21.6 °C	2,523 mm	72	0
2016	36.1 °C18 August 2016	4.8 °C24 January 2016	21.9 °C	2,060 mm	106	0
2015	35.5 °C29 May 2015	5.3 °C13 January 2015	22.1 °C	2,548 mm	110	0
2014	35.5 °C14 May 2014	1.8 °C22 January 2014	21.4 °C	2,438 mm	92	0
2013	35.8 °C16 May 2013	3.7 °C18 December 2013	21.4 °C	2,434 mm	92	0
2012	36.3 °C4 May 2012	6.5 °C26 January 2012	21.3 °C	2,412 mm	76	0
2011	34.0 °C31 August 2011	5.8 °C26 December 2011	20.4 °C	1,676 mm	79	0
2010	35.2 °C5 July 2010	6.6 °C19 December 2010	21.8 °C	2,411 mm	96	0
2009	34.6 °C19 July 2009	5.1 °C17 January 2009	21.6 °C	2,047 mm	98	0
2008	35.1 °C23 September 2008	3.8 °C4 January 2008	20.8 °C	2,639 mm	75	0
2007	34.7 °C28 June 2007	3.1 °C29 January 2007	21.3 °C	2,547 mm	83	0
2006	35.5 °C26 July 2006	3.8 °C23 December 2006	21.4 °C	2,375 mm	74	0
2005	34.0 °C13 May 2005	4.4 °C3 January 2005	21.1 °C	2,097 mm	91	0
2004	35.7 °C3 July 2004	4.1 °C9 February 2004	21.0 °C	1,881 mm	70	0
2003	35.5 °C6 May 2003	5.2 °C7 January 2003	21.7 °C	2,350 mm	85	0
2002	34.3 °C6 August 2002	6.6 °C5 January 2002	21.6 °C	2,425 mm	89	0
2001	35.9 °C6 July 2001	4.2 °C24 December 2001	21.3 °C	2,083 mm	74	0
2000	33.9 °C17 July 2000	4.8 °C31 January 2000	21.1 °C	2,085 mm	60	0
1999	34.8 °C6 June 1999	0.4 °C25 December 1999	21.2 °C	2,382 mm	64	0
1998	34.8 °C15 June 1998	4.8 °C16 December 1998	21.7 °C	2,120 mm	83	0
1997	34.0 °C8 June 1997	8.8 °C29 January 1997	21.1 °C	2,625 mm	57	0
1996	34.4 °C6 May 1996	1.8 °C1 January 1996	20.6 °C	2,403 mm	55	0
1995	34.7 °C20 May 1995	1.1 °C31 December 1995	20.8 °C	2,649 mm	57	0
1994	35.9 °C2 May 1994	7.0 °C26 January 1994	21.2 °C	2,896 mm	65	0
1993	33.2 °C4 June 1993	1.6 °C28 December 1993	20.8 °C	2,394 mm	75	0
1992	34.9 °C1 September 1992	5.6 °C2 December 1992	20.8 °C	2,035 mm	80	0
1991	34.1 °C10 April 1991	4.4 °C31 December 1991	21.1 °C	2,750 mm	69	0
1990	35.9 °C21 August 1990	5.4 °C2 February 1990	21.2 °C	2,667 mm	73	0
1989	35.5 °C18 July 1989	6.4 °C3 December 1989	20.8 °C	2,536 mm	73	0
1988	36.6 °C21 May 1988	5.3 °C12 December 1988	20.8 °C	2,463 mm	68	0
1987	34.3 °C23 June 1987	3.7 °C24 December 1987	21.5 °C	2,430 mm	83	0
1986	34.9 °C13 May 1986	3.2 °C5 March 1986	20.8 °C	2,890 mm	68	0
1985	34.9 °C6 May 1985	3.5 °C25 December 1985	20.6 °C	2,688 mm	72	0
1984	34.8 °C14 June 1984	4.9 °C10 January 1984	20.5 °C	2,575 mm	71	0
1983	35.1 °C15 April 1983	3.3 °C27 January 1983	20.7 °C	2,775 mm	91	0
1982	34.5 °C12 May 1982	0.8 °C27 December 1982	20.9 °C	2,600 mm	69	0
1981	34.2 °C25 August 1981	6.0 °C24 December 1981	21.2 °C	2,706 mm	77	0
1980	34.3 °C31 May 1980	6.3 °C1 February 1980	21.0 °C	2,544 mm	57	0
1979	33.7 °C29 July 1979	7.3 °C28 November 1979	21.0 °C	2,159 mm	57	0
1978	34.4 °C25 June 1978	5.3 °C15 December 1978	20.8 °C	2,867 mm	70	0
1977	33.9 °C9 August 1977	4.8 °C31 January 1977	20.6 °C	2,600 mm	67	0
1976	34.0 °C17 June 1976	1.5 °C1 January 1976	20.3 °C	2,491 mm	59	0
1975	33.9 °C16 August 1975	-1.1 °C31 December 1975	20.8 °C	2,608 mm	76	4
1974	33.2 °C8 May 1974	-1.4 °C2 January 1974	20.5 °C	2,552 mm	58	5
1973	35.0 °C23 June 1973	0.5 °C31 December 1973	21.3 °C	2,744 mm	77	0
1972	35.1 °C10 July 1972	6.3 °C18 January 1972	20.9 °C	2,654 mm	84	0
1971	35.7 °C22 July 1971	0.8 °C5 January 1971	20.3 °C	3,010 mm	45	0
1970	35.9 °C9 May 1970	7.4 °C31 January 1970	20.7 °C	2,559 mm	67	0
1969	35.1 °C28 July 1969	5.2 °C7 February 1969	20.9 °C	2,451 mm	67	0
1968	34.9 °C26 July 1968	1.9 °C14 February 1968	20.8 °C	2,915 mm	53	0
1967	35.2 °C30 August 1967	1.5 °C16 January 1967	20.6 °C	2,357 mm	72	0
1966	33.4 °C12 May 1966	5.1 °C1 January 1966	20.1 °C	2,972 mm	21	0
1965	33.7 °C15 July 1965	4.4 °C31 December 1965	19.9 °C	2,795 mm	19	0
1964	33.4 °C19 May 1964	3.2 °C19 December 1964	20.5 °C	3,277 mm	56	0
1963	34.5 °C6 September 1963	3.5 °C19 January 1963	20.7 °C	2,876 mm	63	0
1962	34.4 °C28 May 1962	3.4 °C2 December 1962	20.7 °C	2,368 mm	65	0
1961	34.4 °C2 July 1961	2.2 °C17 January 1961	20.9 °C	3,116 mm	70	0
1960	35.1 °C6 May 1960	3.7 °C2 January 1960	20.9 °C	2,679 mm	63	0
1959	33.5 °C30 August 1959	5.4 °C11 January 1959	20.6 °C	2,740 mm	41	0
1958	35.7 °C22 May 1958	5.0 °C11 December 1958	20.8 °C	2,547 mm	73	0
1957	35.2 °C13 May 1957	4.5 °C13 February 1957	20.8 °C	2,626 mm	64	0
1956	34.2 °C4 September 1956	2.2 °C11 January 1956	20.1 °C	2,578 mm	30	0
1955	32.5 °C16 April 1955	2.4 °C12 January 1955	19.8 °C	2,615 mm	13	0
1954	33.8 °C16 June 1954	3.3 °C16 December 1954	20.4 °C	2,787 mm	33	0
1953	33.2 °C13 August 1953	5.6 °C13 December 1953	20.6 °C	2,884 mm	47	0
1952	33.7 °C10 April 1952	4.9 °C13 December 1952	20.7 °C	3,120 mm	32	0
1951	33.0 °C2 August 1951	6.3 °C14 January 1951	20.1 °C	3,005 mm	13	0
1950	33.2 °C21 April 1950	6.5 °C17 February 1950	20.1 °C	2,750 mm	18	0
1949	34.4 °C6 June 1949	3.7 °C15 January 1949	20.6 °C	2,586 mm	36	0
1948	32.0 °C30 June 1948	3.1 °C1 January 1948	20.0 °C	2,714 mm	28	0
1947	33.2 °C14 June 1947	2.3 °C31 December 1947	19.7 °C	2,504 mm	18	0
1946	34.5 °C20 August 1946	3.1 °C11 January 1946	20.4 °C	1,957 mm	54	0
1945	31.0 °C21 June 1945	3.6 °C26 February 1945	19.1 °C	2,464 mm	5	0
1944	32.3 °C8 April 1944	1.4 °C21 December 1944	19.7 °C	2,722 mm	13	0
1943	31.6 °C26 June 1943	4.0 °C14 December 1943	19.4 °C	2,688 mm	16	0
1942	31.7 °C24 May 1942	4.2 °C8 December 1942	19.8 °C	3,030 mm	7	0
1941	31.5 °C1 June 1941	6.0 °C5 February 1941	20.0 °C	2,608 mm	12	0
1940	31.9 °C15 May 1940	3.4 °C26 January 1940	19.6 °C	2,440 mm	15	0

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

25.2 °C

+0.8 °C

Hot days (≥ 30 °C)

94 d/yr

+30

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2601 mm

+46 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	17.8 °C	+1.1 °C	34 mm	-64 mm
Feb	16.7 °C	-1.6 °C	118 mm	+18 mm
Mar	22.8 °C	+0.8 °C	77 mm	-65 mm
Apr	26.5 °C	+0.9 °C	143 mm	-58 mm
May	28.4 °C	+0.2 °C	324 mm	-7 mm
Jun	29.2 °C	0.0 °C	567 mm	+182 mm
Jul	31.6 °C	+2.1 °C	289 mm	-96 mm
Aug	30.0 °C	+0.6 °C	322 mm	-31 mm
Sep	29.5 °C	+1.1 °C	328 mm	+108 mm
Oct	26.9 °C	+1.4 °C	210 mm	+59 mm
Nov	22.4 °C	+0.4 °C	98 mm	-6 mm
Dec	20.0 °C	+1.8 °C	92 mm	+6 mm

The year's extremes

Hottest day

36.1 °C

1 Jun 2025

Coldest day

3.8 °C

12 Jan 2025

Wettest day

86.0 mm

30 Sep 2025

Windiest day

15.2 km/h

12 Apr 2025

Strongest gust

69.8 km/h

7 Oct 2025

Hottest feels-like

42.7 °C

29 Jul 2025

Coldest feels-like

1.2 °C

12 Jan 2025

Sunniest day

12.5 h

7 Jul 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 Hà Giang?

Hà Giang has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 20.8 °C and it receives 2,555 mm of precipitation per year.

What is the hottest day ever recorded in Hà Giang?

The hottest day measured in Hà Giang between 1940 and 2025 was 26 July 2024, reaching 37.3 °C.

What is the coldest day in Hà Giang?

The coldest day measured in Hà Giang between 1940 and 2025 was 2 January 1974, at -1.4 °C.

Does it snow in Hà Giang?

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

Has the climate of Hà Giang warmed?

Yes: Hà Giang warmed by +1.9 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hà Giang?

The wettest day measured in Hà Giang between 1940 and 2025 was 17 August 1971, with 193 mm of rain in 24 hours.

What was the windiest day in Hà Giang?

The windiest day measured in Hà Giang between 1940 and 2025 was 3 July 1964, with winds reaching 20.7 km/h.

What is the warmest month in Hà Giang?

The warmest month in Hà Giang is July (25.6 °C on average); the coldest is January (13.7 °C).

How much does it rain in Hà Giang?

Hà Giang receives on average 2,555 mm of precipitation per year, spread over about 251 rainy days.

Is it sunny in Hà Giang?

Hà Giang gets on average 6.4 hours of sunshine per day, roughly 2,336 hours per year over 1940-2025.

What is the biggest single-day snowfall in Hà Giang?

The heaviest 24-hour snowfall measured in Hà Giang between 1940 and 2025 was 24 January 2016, with 0.3 cm.

Are there tropical nights in Hà Giang?

Yes: Hà Giang has on average 169 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hà Giang?

In Hà Giang, between 1940 and 2025, the highest apparent temperature reached 44.5 °C on 26 July 2024, and the lowest was -4.8 °C on 2 January 1974.

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