Bac Kan climate — normals and trends

Q: What is the climate of Bac Kan?

Bac Kan has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.0 °C and it receives 2,285 mm of precipitation per year.

Q: What is the hottest day ever recorded in Bac Kan?

The hottest day measured in Bac Kan between 1940 and 2025 was 16 May 2013, reaching 36.9 °C.

Q: What is the coldest day in Bac Kan?

The coldest day measured in Bac Kan between 1940 and 2025 was 30 December 1975, at -0.3 °C.

Q: Does it snow in Bac Kan?

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

Q: Has the climate of Bac Kan warmed?

Yes: Bac Kan warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Bac Kan?

The wettest day measured in Bac Kan between 1940 and 2025 was 8 August 1976, with 225 mm of rain in 24 hours.

Q: What was the windiest day in Bac Kan?

The windiest day measured in Bac Kan between 1940 and 2025 was 23 July 1980, with winds reaching 34.2 km/h.

Q: What is the warmest month in Bac Kan?

The warmest month in Bac Kan is July (26.0 °C on average); the coldest is January (13.6 °C).

Q: How much does it rain in Bac Kan?

Bac Kan receives on average 2,285 mm of precipitation per year, spread over about 224 rainy days.

Q: Is it sunny in Bac Kan?

Bac Kan gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.

Bac Kan (Vietnam) has a humid subtropical climate (Cfa) under the Köppen-Geiger classification. Its mean annual temperature is 21.0 °C and it receives 2,285 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 (26.0 °C on average) and the coldest is January (13.6 °C). Rainfall peaks in June.

Bac Kan averages 0 frost days, 70 hot days (≥ 30 °C) and 224 rainy days per year.

Bac Kan has warmed by +1.6 °C between 1940 and 2025, or +0.19 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.9 °C (on 16 May 2013) and the coldest -0.3 °C (on 30 December 1975).

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

Bac KanThai Nguyen

coords: 22.15°, 105.83°
period: 1940–2025 · 86 yrs

CfaHumid subtropicalWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

21.0°C

Average daily high

24.7°C

Average daily low

18.1°C

Annual rainfall

2,285mm

Sunshine / day

6.2h

Mean relative humidity

84%

Average peak wind

8.4km/h

Seasonal range

12.4°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

70 d/yr

Rainy days (≥ 1 mm)

224 d/yr

Annual snowfall

0.0 cm

Average feels-like high

27.7 °C

Average feels-like low

20.3 °C

Average peak gust

28.2 km/h

Tropical nights (≥ 20 °C)

175 d/yr

Solar radiation

12.5 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.59 · 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

36.9 °C

16 May 2013

Coldest day

-0.3 °C

30 December 1975

Wettest day

225 mm

8 August 1976

Windiest day

34.2 km/h

23 July 1980

Strongest gust

129.6 km/h

23 July 1980

Hottest feels-like

45.4 °C

26 July 2024

Coldest feels-like

-3.4 °C

30 December 1975

Snowiest day

0.4 cm

24 January 2016

Sunniest day

13.4 h

22 June 1946

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	35.6 °C2 June 2025	4.2 °C12 January 2025	21.7 °C	2,527 mm	95	0
2024	36.6 °C26 July 2024	6.1 °C24 January 2024	22.3 °C	2,598 mm	104	0
2023	36.6 °C22 May 2023	3.9 °C30 January 2023	22.2 °C	1,950 mm	111	0
2022	34.6 °C2 July 2022	4.7 °C19 December 2022	21.5 °C	2,116 mm	93	0
2021	35.7 °C20 June 2021	4.5 °C13 January 2021	21.9 °C	1,959 mm	107	0
2020	35.5 °C21 May 2020	7.6 °C21 December 2020	21.7 °C	2,371 mm	98	0
2019	35.5 °C19 May 2019	3.5 °C8 December 2019	22.2 °C	2,290 mm	106	0
2018	35.0 °C8 June 2018	4.9 °C6 February 2018	21.7 °C	2,308 mm	85	0
2017	36.8 °C3 June 2017	4.4 °C20 December 2017	21.7 °C	2,330 mm	71	0
2016	35.2 °C10 July 2016	3.8 °C24 January 2016	22.0 °C	1,825 mm	119	0
2015	35.7 °C13 July 2015	5.1 °C13 January 2015	22.2 °C	2,159 mm	110	0
2014	34.9 °C14 May 2014	1.8 °C22 January 2014	21.4 °C	2,462 mm	93	0
2013	36.9 °C16 May 2013	2.8 °C19 December 2013	21.3 °C	2,158 mm	95	0
2012	36.3 °C4 May 2012	6.7 °C26 January 2012	21.3 °C	2,019 mm	83	0
2011	34.6 °C31 August 2011	4.4 °C26 December 2011	20.3 °C	1,626 mm	89	0
2010	34.5 °C19 June 2010	5.2 °C17 December 2010	21.8 °C	2,134 mm	96	0
2009	34.8 °C9 August 2009	4.7 °C11 January 2009	21.8 °C	1,687 mm	109	0
2008	35.1 °C23 September 2008	3.8 °C3 January 2008	20.7 °C	2,387 mm	75	0
2007	34.7 °C24 May 2007	4.5 °C29 January 2007	21.3 °C	2,105 mm	84	0
2006	35.3 °C12 April 2006	4.1 °C23 December 2006	21.6 °C	1,985 mm	106	0
2005	33.9 °C17 May 2005	3.9 °C22 December 2005	21.1 °C	1,958 mm	101	0
2004	35.1 °C1 July 2004	3.5 °C22 January 2004	21.1 °C	1,618 mm	74	0
2003	35.9 °C7 May 2003	3.8 °C7 January 2003	21.9 °C	1,817 mm	96	0
2002	34.3 °C21 May 2002	6.7 °C26 December 2002	21.6 °C	2,079 mm	86	0
2001	36.1 °C6 July 2001	3.1 °C25 December 2001	21.4 °C	2,074 mm	80	0
2000	34.1 °C12 August 2000	4.8 °C2 February 2000	21.2 °C	1,999 mm	73	0
1999	34.8 °C6 June 1999	0.9 °C25 December 1999	21.2 °C	2,257 mm	76	0
1998	34.7 °C15 June 1998	7.4 °C20 January 1998	21.8 °C	1,943 mm	86	0
1997	34.4 °C9 June 1997	8.0 °C28 January 1997	21.3 °C	2,488 mm	62	0
1996	33.8 °C6 May 1996	4.0 °C1 January 1996	20.7 °C	2,353 mm	61	0
1995	34.3 °C20 May 1995	2.3 °C31 December 1995	20.9 °C	2,372 mm	57	0
1994	35.4 °C3 May 1994	7.0 °C25 January 1994	21.3 °C	2,829 mm	63	0
1993	34.0 °C4 June 1993	3.2 °C27 December 1993	21.0 °C	2,279 mm	86	0
1992	35.2 °C1 September 1992	5.3 °C2 December 1992	20.9 °C	1,972 mm	83	0
1991	34.2 °C7 September 1991	5.8 °C28 December 1991	21.4 °C	2,126 mm	90	0
1990	36.0 °C22 April 1990	6.4 °C2 February 1990	21.3 °C	2,785 mm	72	0
1989	34.9 °C18 July 1989	5.9 °C12 February 1989	20.8 °C	2,211 mm	85	0
1988	35.8 °C21 May 1988	5.4 °C20 February 1988	20.8 °C	2,184 mm	76	0
1987	34.6 °C21 May 1987	3.2 °C17 December 1987	21.8 °C	2,227 mm	94	0
1986	34.9 °C2 July 1986	3.3 °C7 January 1986	21.0 °C	2,571 mm	74	0
1985	34.6 °C6 May 1985	3.9 °C24 December 1985	20.6 °C	2,336 mm	76	0
1984	34.7 °C19 March 1984	3.8 °C9 January 1984	20.5 °C	2,144 mm	68	0
1983	35.8 °C15 April 1983	3.0 °C23 January 1983	20.7 °C	2,326 mm	95	0
1982	34.1 °C17 July 1982	0.0 °C27 December 1982	21.0 °C	2,319 mm	71	0
1981	34.6 °C21 July 1981	4.8 °C12 January 1981	21.2 °C	2,629 mm	81	0
1980	34.2 °C28 August 1980	5.5 °C23 December 1980	21.1 °C	2,423 mm	62	0
1979	33.8 °C29 July 1979	6.2 °C1 February 1979	21.1 °C	2,256 mm	64	0
1978	34.8 °C29 July 1978	5.0 °C21 January 1978	20.8 °C	2,773 mm	69	0
1977	33.9 °C9 June 1977	3.6 °C31 January 1977	20.7 °C	2,141 mm	79	0
1976	33.8 °C17 June 1976	3.4 °C1 January 1976	20.4 °C	2,351 mm	70	0
1975	34.0 °C17 August 1975	-0.3 °C30 December 1975	20.9 °C	2,563 mm	77	1
1974	33.7 °C8 May 1974	0.5 °C1 January 1974	20.7 °C	2,407 mm	62	0
1973	35.6 °C8 April 1973	0.9 °C27 December 1973	21.4 °C	2,945 mm	80	0
1972	34.8 °C10 July 1972	4.9 °C16 January 1972	21.1 °C	2,492 mm	91	0
1971	34.8 °C22 July 1971	1.1 °C5 January 1971	20.5 °C	2,402 mm	49	0
1970	34.7 °C9 May 1970	4.1 °C31 January 1970	20.8 °C	2,226 mm	74	0
1969	35.0 °C13 May 1969	4.5 °C30 November 1969	21.0 °C	1,967 mm	80	0
1968	35.1 °C26 July 1968	1.9 °C14 February 1968	20.9 °C	2,711 mm	70	0
1967	34.6 °C1 August 1967	0.6 °C16 January 1967	20.6 °C	1,829 mm	83	0
1966	33.8 °C12 May 1966	3.0 °C1 January 1966	20.4 °C	2,548 mm	24	0
1965	32.8 °C21 July 1965	3.0 °C31 December 1965	20.2 °C	2,448 mm	27	0
1964	33.9 °C8 August 1964	2.9 °C19 December 1964	20.6 °C	2,659 mm	66	0
1963	34.6 °C6 September 1963	1.7 °C15 January 1963	20.8 °C	2,453 mm	68	0
1962	34.5 °C30 July 1962	3.3 °C4 January 1962	20.8 °C	1,961 mm	73	0
1961	34.3 °C2 July 1961	0.8 °C17 January 1961	21.1 °C	2,540 mm	71	0
1960	34.6 °C27 April 1960	2.2 °C2 January 1960	21.1 °C	2,641 mm	67	0
1959	33.6 °C30 August 1959	5.4 °C12 January 1959	20.8 °C	2,296 mm	54	0
1958	35.8 °C2 June 1958	3.6 °C2 February 1958	21.0 °C	2,202 mm	77	0
1957	35.8 °C16 August 1957	3.3 °C7 February 1957	21.0 °C	2,249 mm	84	0
1956	33.9 °C4 September 1956	2.2 °C10 January 1956	20.4 °C	2,241 mm	44	0
1955	32.5 °C16 April 1955	0.5 °C12 January 1955	20.2 °C	2,251 mm	19	0
1954	33.8 °C18 June 1954	3.6 °C16 December 1954	20.8 °C	2,279 mm	45	0
1953	33.7 °C13 August 1953	4.8 °C13 December 1953	20.9 °C	2,334 mm	56	0
1952	33.1 °C11 April 1952	4.6 °C10 December 1952	21.1 °C	2,781 mm	40	0
1951	32.9 °C10 April 1951	5.1 °C13 January 1951	20.4 °C	2,793 mm	19	0
1950	32.4 °C21 April 1950	6.2 °C18 February 1950	20.5 °C	2,599 mm	26	0
1949	34.8 °C14 June 1949	3.7 °C17 January 1949	20.9 °C	2,083 mm	46	0
1948	31.8 °C25 April 1948	3.3 °C3 January 1948	20.3 °C	2,652 mm	36	0
1947	32.3 °C14 June 1947	2.6 °C30 December 1947	20.0 °C	2,153 mm	25	0
1946	36.0 °C20 August 1946	2.4 °C11 January 1946	21.2 °C	1,298 mm	91	0
1945	31.3 °C14 July 1945	3.5 °C17 January 1945	19.2 °C	2,176 mm	7	0
1944	32.7 °C8 April 1944	0.3 °C21 December 1944	20.0 °C	2,587 mm	16	0
1943	32.0 °C26 June 1943	3.2 °C13 January 1943	19.7 °C	2,277 mm	21	0
1942	31.5 °C25 May 1942	4.1 °C7 December 1942	20.0 °C	3,027 mm	7	0
1941	31.5 °C1 June 1941	4.9 °C4 February 1941	20.2 °C	2,391 mm	14	0
1940	31.6 °C15 May 1940	1.2 °C25 January 1940	19.8 °C	2,191 mm	16	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

25.5 °C

+0.8 °C

Hot days (≥ 30 °C)

95 d/yr

+25

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2527 mm

+242 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	19.2 °C	+2.3 °C	16 mm	-46 mm
Feb	16.0 °C	-2.1 °C	60 mm	-11 mm
Mar	22.7 °C	+1.1 °C	43 mm	-61 mm
Apr	27.2 °C	+1.7 °C	95 mm	-59 mm
May	28.4 °C	-0.1 °C	394 mm	+93 mm
Jun	29.9 °C	+0.3 °C	508 mm	+114 mm
Jul	31.3 °C	+1.5 °C	339 mm	-47 mm
Aug	30.0 °C	+0.4 °C	428 mm	+61 mm
Sep	29.8 °C	+1.0 °C	286 mm	+69 mm
Oct	27.3 °C	+1.1 °C	221 mm	+106 mm
Nov	22.4 °C	-0.2 °C	71 mm	+2 mm
Dec	20.7 °C	+2.0 °C	67 mm	+22 mm

The year's extremes

Hottest day

35.6 °C

2 Jun 2025

Coldest day

4.2 °C

12 Jan 2025

Wettest day

101.2 mm

6 Oct 2025

Windiest day

20.4 km/h

22 Jul 2025

Strongest gust

72.4 km/h

22 Jul 2025

Hottest feels-like

43.3 °C

29 Jul 2025

Coldest feels-like

1.6 °C

12 Jan 2025

Sunniest day

12.4 h

17 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 Bac Kan?

Bac Kan has a humid subtropical climate (Köppen Cfa). Over 1940-2025, the average annual temperature is 21.0 °C and it receives 2,285 mm of precipitation per year.

What is the hottest day ever recorded in Bac Kan?

The hottest day measured in Bac Kan between 1940 and 2025 was 16 May 2013, reaching 36.9 °C.

What is the coldest day in Bac Kan?

The coldest day measured in Bac Kan between 1940 and 2025 was 30 December 1975, at -0.3 °C.

Does it snow in Bac Kan?

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

Has the climate of Bac Kan warmed?

Yes: Bac Kan warmed by +1.6 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Bac Kan?

The wettest day measured in Bac Kan between 1940 and 2025 was 8 August 1976, with 225 mm of rain in 24 hours.

What was the windiest day in Bac Kan?

The windiest day measured in Bac Kan between 1940 and 2025 was 23 July 1980, with winds reaching 34.2 km/h.

What is the warmest month in Bac Kan?

The warmest month in Bac Kan is July (26.0 °C on average); the coldest is January (13.6 °C).

How much does it rain in Bac Kan?

Bac Kan receives on average 2,285 mm of precipitation per year, spread over about 224 rainy days.

Is it sunny in Bac Kan?

Bac Kan gets on average 6.2 hours of sunshine per day, roughly 2,263 hours per year over 1940-2025.

What is the biggest single-day snowfall in Bac Kan?

The heaviest 24-hour snowfall measured in Bac Kan between 1940 and 2025 was 24 January 2016, with 0.4 cm.

Are there tropical nights in Bac Kan?

Yes: Bac Kan has on average 175 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Bac Kan?

In Bac Kan, between 1940 and 2025, the highest apparent temperature reached 45.4 °C on 26 July 2024, and the lowest was -3.4 °C on 30 December 1975.

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