Hāflong climate — normals and trends

Q: What is the climate of Hāflong?

Hāflong has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.4 °C and it receives 2,464 mm of precipitation per year.

Q: What is the hottest day ever recorded in Hāflong?

The hottest day measured in Hāflong between 1940 and 2025 was 30 April 1960, reaching 36.1 °C.

Q: What is the coldest day in Hāflong?

The coldest day measured in Hāflong between 1940 and 2025 was 4 January 1962, at 3.0 °C.

Q: Does it snow in Hāflong?

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

Q: Has the climate of Hāflong warmed?

Yes: Hāflong warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Hāflong?

The wettest day measured in Hāflong between 1940 and 2025 was 20 June 1972, with 368 mm of rain in 24 hours.

Q: What was the windiest day in Hāflong?

The windiest day measured in Hāflong between 1940 and 2025 was 21 June 1974, with winds reaching 26.3 km/h.

Q: What is the warmest month in Hāflong?

The warmest month in Hāflong is July (25.2 °C on average); the coldest is January (14.7 °C).

Q: How much does it rain in Hāflong?

Hāflong receives on average 2,464 mm of precipitation per year, spread over about 212 rainy days.

Q: Is it sunny in Hāflong?

Hāflong gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Hāflong (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 21.4 °C and it receives 2,464 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 (25.2 °C on average) and the coldest is January (14.7 °C). Rainfall peaks in June.

Hāflong averages 0 frost days, 46 hot days (≥ 30 °C) and 212 rainy days per year.

Hāflong has warmed by +1.3 °C between 1940 and 2025, or +0.16 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.1 °C (on 30 April 1960) and the coldest 3.0 °C (on 4 January 1962).

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

HāflongAssam

coords: 25.16°, 93.02°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

21.4°C

Average daily high

26.1°C

Average daily low

17.8°C

Annual rainfall

2,464mm

Sunshine / day

9.6h

Mean relative humidity

83%

Average peak wind

7.6km/h

Seasonal range

10.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

46 d/yr

Rainy days (≥ 1 mm)

212 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.3 °C

Average feels-like low

19.8 °C

Average peak gust

29.7 km/h

Tropical nights (≥ 20 °C)

168 d/yr

Solar radiation

16.3 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.3 °C

since 1940

+0.2 °C per decade · r² = 0.55 · 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

36.1 °C

30 April 1960

Coldest day

3.0 °C

4 January 1962

Wettest day

368 mm

20 June 1972

Windiest day

26.3 km/h

21 June 1974

Strongest gust

98.6 km/h

21 June 1974

Hottest feels-like

43.5 °C

12 June 2025

Coldest feels-like

0.9 °C

4 January 1962

Sunniest day

13.2 h

2 July 1942

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	35.9 °C12 June 2025	10.0 °C12 January 2025	22.8 °C	2,321 mm	105
2024	35.6 °C26 July 2024	7.9 °C20 January 2024	22.5 °C	2,761 mm	99
2023	36.0 °C31 May 2023	6.9 °C19 January 2023	22.9 °C	1,588 mm	121
2022	33.9 °C14 July 2022	7.5 °C29 January 2022	22.4 °C	1,956 mm	98
2021	33.5 °C23 May 2021	7.6 °C15 January 2021	22.6 °C	1,666 mm	107
2020	33.5 °C3 August 2020	7.0 °C25 January 2020	22.1 °C	2,214 mm	85
2019	33.7 °C12 August 2019	8.1 °C2 January 2019	22.3 °C	2,501 mm	96
2018	34.5 °C20 July 2018	5.8 °C9 January 2018	22.0 °C	2,215 mm	87
2017	33.8 °C8 June 2017	6.8 °C18 January 2017	22.4 °C	3,446 mm	78
2016	33.6 °C3 August 2016	7.4 °C28 January 2016	22.4 °C	2,776 mm	85
2015	33.1 °C15 April 2015	6.1 °C25 December 2015	22.0 °C	2,394 mm	62
2014	33.6 °C24 April 2014	7.0 °C10 January 2014	22.1 °C	1,747 mm	89
2013	34.7 °C12 June 2013	4.5 °C12 January 2013	21.9 °C	2,561 mm	92
2012	33.7 °C29 May 2012	5.5 °C15 January 2012	21.6 °C	2,905 mm	63
2011	33.4 °C30 August 2011	6.0 °C19 January 2011	21.7 °C	2,083 mm	72
2010	33.1 °C5 August 2010	7.3 °C6 February 2010	22.1 °C	2,952 mm	45
2009	33.9 °C13 July 2009	7.2 °C28 December 2009	22.3 °C	2,162 mm	80
2008	33.7 °C12 May 2008	6.4 °C4 February 2008	21.7 °C	2,031 mm	62
2007	33.8 °C2 May 2007	6.2 °C16 January 2007	21.6 °C	2,694 mm	59
2006	35.5 °C16 August 2006	7.6 °C16 January 2006	22.1 °C	1,692 mm	74
2005	32.9 °C29 July 2005	7.2 °C14 January 2005	21.8 °C	1,678 mm	53
2004	32.0 °C8 May 2004	6.3 °C5 February 2004	21.4 °C	3,175 mm	39
2003	33.1 °C5 August 2003	5.7 °C25 January 2003	21.4 °C	2,267 mm	36
2002	33.4 °C16 May 2002	7.3 °C31 December 2002	21.6 °C	2,799 mm	42
2001	34.1 °C24 April 2001	6.3 °C8 January 2001	21.7 °C	2,706 mm	51
2000	32.6 °C13 May 2000	6.4 °C4 January 2000	21.1 °C	2,738 mm	27
1999	34.6 °C14 April 1999	6.9 °C13 January 1999	22.2 °C	2,424 mm	63
1998	32.0 °C25 September 1998	7.2 °C22 January 1998	21.7 °C	2,813 mm	33
1997	33.4 °C27 August 1997	5.0 °C18 January 1997	20.9 °C	2,100 mm	29
1996	33.2 °C17 June 1996	6.9 °C23 January 1996	21.6 °C	2,573 mm	41
1995	32.8 °C13 May 1995	6.1 °C25 January 1995	21.6 °C	2,815 mm	56
1994	33.1 °C15 July 1994	7.0 °C5 January 1994	21.4 °C	2,261 mm	52
1993	31.9 °C11 August 1993	6.1 °C16 January 1993	21.1 °C	2,955 mm	35
1992	32.5 °C2 September 1992	6.5 °C3 January 1992	21.1 °C	2,195 mm	32
1991	32.8 °C28 July 1991	5.5 °C24 January 1991	21.3 °C	2,365 mm	35
1990	33.6 °C19 August 1990	6.1 °C1 January 1990	21.3 °C	2,171 mm	34
1989	33.5 °C11 June 1989	4.8 °C14 January 1989	21.2 °C	2,332 mm	41
1988	32.9 °C7 April 1988	5.2 °C28 January 1988	21.7 °C	2,589 mm	34
1987	32.6 °C18 July 1987	7.1 °C5 January 1987	21.6 °C	2,035 mm	29
1986	33.3 °C8 June 1986	7.1 °C15 January 1986	21.4 °C	2,300 mm	43
1985	31.6 °C12 June 1985	6.3 °C19 January 1985	21.3 °C	2,072 mm	32
1984	33.6 °C22 April 1984	6.4 °C1 February 1984	21.4 °C	2,236 mm	51
1983	32.7 °C31 May 1983	4.4 °C6 January 1983	20.8 °C	2,564 mm	30
1982	33.5 °C24 May 1982	5.9 °C28 December 1982	21.0 °C	2,176 mm	44
1981	32.5 °C11 June 1981	6.5 °C10 January 1981	21.1 °C	1,717 mm	28
1980	31.8 °C2 September 1980	6.1 °C17 January 1980	21.2 °C	2,699 mm	30
1979	34.5 °C25 April 1979	5.2 °C16 January 1979	21.6 °C	2,347 mm	54
1978	33.2 °C16 May 1978	4.2 °C12 January 1978	21.0 °C	2,033 mm	32
1977	32.1 °C20 August 1977	3.7 °C30 January 1977	20.9 °C	2,230 mm	20
1976	32.7 °C20 June 1976	5.3 °C22 January 1976	20.9 °C	3,016 mm	22
1975	31.9 °C31 March 1975	5.6 °C21 January 1975	21.1 °C	2,813 mm	26
1974	32.3 °C16 August 1974	5.5 °C18 January 1974	21.0 °C	2,965 mm	28
1973	34.6 °C4 April 1973	6.3 °C27 December 1973	21.5 °C	3,123 mm	52
1972	33.0 °C12 July 1972	5.9 °C8 February 1972	21.2 °C	3,076 mm	25
1971	32.5 °C14 July 1971	5.3 °C2 February 1971	20.9 °C	2,492 mm	34
1970	32.7 °C14 June 1970	5.0 °C5 January 1970	21.2 °C	2,322 mm	39
1969	32.7 °C30 July 1969	3.7 °C17 January 1969	21.4 °C	1,994 mm	54
1968	32.2 °C28 July 1968	4.4 °C3 February 1968	20.8 °C	2,835 mm	23
1967	31.9 °C1 September 1967	5.9 °C22 December 1967	20.8 °C	2,859 mm	34
1966	32.4 °C31 March 1966	7.1 °C30 December 1966	21.2 °C	3,268 mm	30
1965	32.5 °C11 June 1965	6.6 °C11 January 1965	21.0 °C	2,726 mm	25
1964	33.7 °C15 March 1964	4.9 °C31 January 1964	21.5 °C	2,776 mm	38
1963	34.1 °C30 March 1963	6.2 °C5 January 1963	21.4 °C	2,503 mm	33
1962	33.6 °C14 July 1962	3.0 °C4 January 1962	21.2 °C	2,329 mm	50
1961	32.5 °C26 June 1961	5.1 °C15 January 1961	21.0 °C	2,731 mm	30
1960	36.1 °C30 April 1960	4.7 °C26 January 1960	21.9 °C	1,996 mm	66
1959	32.2 °C30 August 1959	6.2 °C2 February 1959	21.0 °C	2,948 mm	24
1958	33.2 °C28 March 1958	6.5 °C12 February 1958	21.7 °C	3,048 mm	40
1957	35.2 °C11 April 1957	6.5 °C26 December 1957	21.3 °C	1,967 mm	73
1956	34.4 °C17 April 1956	6.3 °C26 January 1956	21.3 °C	3,109 mm	42
1955	33.3 °C12 March 1955	6.7 °C9 February 1955	21.4 °C	2,439 mm	41
1954	33.3 °C23 March 1954	6.3 °C27 January 1954	21.3 °C	2,579 mm	21
1953	32.4 °C14 August 1953	4.9 °C26 January 1953	20.6 °C	2,215 mm	21
1952	32.1 °C15 April 1952	7.4 °C13 January 1952	21.0 °C	2,230 mm	14
1951	31.5 °C24 July 1951	7.2 °C25 January 1951	20.9 °C	2,330 mm	12
1950	32.4 °C26 July 1950	5.9 °C14 February 1950	21.1 °C	2,602 mm	14
1949	30.8 °C12 June 1949	6.7 °C1 January 1949	20.8 °C	2,517 mm	12
1948	32.0 °C6 July 1948	8.0 °C16 December 1948	21.0 °C	2,601 mm	25
1947	33.4 °C3 April 1947	6.8 °C17 January 1947	21.6 °C	2,977 mm	40
1946	33.6 °C13 March 1946	8.1 °C2 January 1946	21.5 °C	1,987 mm	30
1945	33.9 °C20 April 1945	6.3 °C25 December 1945	21.2 °C	2,463 mm	33
1944	32.4 °C22 March 1944	7.2 °C21 January 1944	21.4 °C	2,109 mm	40
1943	31.4 °C29 May 1943	7.7 °C25 January 1943	20.6 °C	1,977 mm	7
1942	33.3 °C24 April 1942	7.2 °C6 January 1942	21.0 °C	2,868 mm	41
1941	31.3 °C8 July 1941	7.7 °C24 January 1941	20.8 °C	2,318 mm	15
1940	31.4 °C30 June 1940	7.1 °C10 January 1940	20.5 °C	2,733 mm	14

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

+1.8 °C

Hot days (≥ 30 °C)

105 d/yr

+59

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2321 mm

-143 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	23.4 °C	+2.2 °C	5 mm	-12 mm
Feb	25.4 °C	+1.8 °C	16 mm	-16 mm
Mar	28.2 °C	+1.4 °C	53 mm	-45 mm
Apr	28.9 °C	+1.3 °C	182 mm	-63 mm
May	28.1 °C	+0.3 °C	491 mm	+70 mm
Jun	30.6 °C	+2.2 °C	441 mm	-36 mm
Jul	30.7 °C	+2.4 °C	425 mm	+74 mm
Aug	29.4 °C	+1.0 °C	267 mm	-33 mm
Sep	30.6 °C	+2.3 °C	255 mm	-10 mm
Oct	29.4 °C	+2.5 °C	150 mm	-43 mm
Nov	26.1 °C	+1.7 °C	35 mm	-13 mm
Dec	23.5 °C	+1.7 °C	0 mm	-16 mm

The year's extremes

Hottest day

35.9 °C

12 Jun 2025

Coldest day

10.0 °C

12 Jan 2025

Wettest day

119.3 mm

30 May 2025

Windiest day

19.5 km/h

17 Mar 2025

Strongest gust

72.0 km/h

17 Mar 2025

Hottest feels-like

43.5 °C

12 Jun 2025

Coldest feels-like

9.5 °C

12 Jan 2025

Sunniest day

13.0 h

9 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 Hāflong?

Hāflong has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.4 °C and it receives 2,464 mm of precipitation per year.

What is the hottest day ever recorded in Hāflong?

The hottest day measured in Hāflong between 1940 and 2025 was 30 April 1960, reaching 36.1 °C.

What is the coldest day in Hāflong?

The coldest day measured in Hāflong between 1940 and 2025 was 4 January 1962, at 3.0 °C.

Does it snow in Hāflong?

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

Has the climate of Hāflong warmed?

Yes: Hāflong warmed by +1.3 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Hāflong?

The wettest day measured in Hāflong between 1940 and 2025 was 20 June 1972, with 368 mm of rain in 24 hours.

What was the windiest day in Hāflong?

The windiest day measured in Hāflong between 1940 and 2025 was 21 June 1974, with winds reaching 26.3 km/h.

What is the warmest month in Hāflong?

The warmest month in Hāflong is July (25.2 °C on average); the coldest is January (14.7 °C).

How much does it rain in Hāflong?

Hāflong receives on average 2,464 mm of precipitation per year, spread over about 212 rainy days.

Is it sunny in Hāflong?

Hāflong gets on average 9.6 hours of sunshine per day, roughly 3,504 hours per year over 1940-2025.

Are there tropical nights in Hāflong?

Yes: Hāflong has on average 168 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Hāflong?

In Hāflong, between 1940 and 2025, the highest apparent temperature reached 43.5 °C on 12 June 2025, and the lowest was 0.9 °C on 4 January 1962.

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