Aizawl climate — normals and trends

Q: What is the climate of Aizawl?

Aizawl has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.4 °C and it receives 1,851 mm of precipitation per year.

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

The hottest day measured in Aizawl between 1940 and 2025 was 17 April 1956, reaching 37.1 °C.

Q: What is the coldest day in Aizawl?

The coldest day measured in Aizawl between 1940 and 2025 was 26 January 1953, at 2.5 °C.

Q: Does it snow in Aizawl?

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

Q: Has the climate of Aizawl warmed?

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

Q: What is the wettest day in Aizawl?

The wettest day measured in Aizawl between 1940 and 2025 was 27 May 1998, with 323 mm of rain in 24 hours.

Q: What was the windiest day in Aizawl?

The windiest day measured in Aizawl between 1940 and 2025 was 17 May 1995, with winds reaching 26.1 km/h.

Q: What is the warmest month in Aizawl?

The warmest month in Aizawl is June (24.7 °C on average); the coldest is January (14.9 °C).

Q: How much does it rain in Aizawl?

Aizawl receives on average 1,851 mm of precipitation per year, spread over about 192 rainy days.

Q: Is it sunny in Aizawl?

Aizawl gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Aizawl (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 1,851 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 June (24.7 °C on average) and the coldest is January (14.9 °C). Rainfall peaks in June.

Aizawl averages 0 frost days, 60 hot days (≥ 30 °C) and 192 rainy days per year.

Aizawl 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 37.1 °C (on 17 April 1956) and the coldest 2.5 °C (on 26 January 1953).

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

AizawlMizoram

coords: 23.73°, 92.72°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJuneColdest monthJanuaryWettest monthJuneDriest monthJanuary

Mean daily temperature

21.4°C

Average daily high

26.7°C

Average daily low

17.1°C

Annual rainfall

1,851mm

Sunshine / day

9.3h

Mean relative humidity

81%

Average peak wind

7.7km/h

Seasonal range

9.8°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

60 d/yr

Rainy days (≥ 1 mm)

192 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.8 °C

Average feels-like low

18.8 °C

Average peak gust

30.1 km/h

Tropical nights (≥ 20 °C)

162 d/yr

Solar radiation

17.0 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.68 · 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

37.1 °C

17 April 1956

Coldest day

2.5 °C

26 January 1953

Wettest day

323 mm

27 May 1998

Windiest day

26.1 km/h

17 May 1995

Strongest gust

123.1 km/h

17 May 1995

Hottest feels-like

42.3 °C

24 May 2024

Coldest feels-like

0.0 °C

26 January 1953

Sunniest day

13.0 h

16 June 1957

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	34.1 °C30 March 2025	8.3 °C31 December 2025	22.6 °C	1,894 mm	105
2024	35.5 °C27 April 2024	7.2 °C18 January 2024	22.7 °C	2,123 mm	107
2023	36.0 °C16 April 2023	5.6 °C19 January 2023	22.9 °C	1,617 mm	124
2022	35.9 °C29 April 2022	7.4 °C29 January 2022	22.6 °C	1,592 mm	121
2021	36.1 °C23 May 2021	6.6 °C1 February 2021	22.8 °C	1,655 mm	121
2020	34.5 °C18 May 2020	6.0 °C4 February 2020	22.2 °C	1,459 mm	95
2019	35.6 °C12 May 2019	6.5 °C5 January 2019	22.5 °C	1,528 mm	120
2018	34.3 °C19 July 2018	4.4 °C9 January 2018	21.8 °C	1,578 mm	75
2017	34.3 °C8 April 2017	5.5 °C14 January 2017	22.3 °C	2,256 mm	77
2016	33.8 °C28 April 2016	5.1 °C26 January 2016	22.4 °C	2,011 mm	87
2015	34.2 °C6 May 2015	5.0 °C24 December 2015	22.0 °C	1,987 mm	82
2014	35.4 °C20 April 2014	5.5 °C4 January 2014	22.3 °C	1,324 mm	94
2013	34.6 °C12 June 2013	2.7 °C11 January 2013	22.1 °C	1,758 mm	91
2012	34.5 °C2 April 2012	4.8 °C25 January 2012	21.9 °C	1,606 mm	91
2011	33.2 °C9 April 2011	5.4 °C14 January 2011	21.8 °C	1,837 mm	77
2010	34.7 °C8 April 2010	5.5 °C24 December 2010	22.3 °C	1,862 mm	80
2009	34.8 °C26 April 2009	4.8 °C29 December 2009	22.4 °C	1,790 mm	104
2008	35.3 °C2 May 2008	5.3 °C3 February 2008	22.0 °C	1,483 mm	84
2007	34.7 °C1 May 2007	5.4 °C24 January 2007	21.6 °C	2,046 mm	73
2006	34.1 °C11 August 2006	5.8 °C24 January 2006	22.1 °C	1,493 mm	75
2005	33.4 °C6 June 2005	6.6 °C14 January 2005	22.2 °C	1,387 mm	80
2004	34.0 °C9 May 2004	5.3 °C5 February 2004	21.6 °C	1,918 mm	61
2003	34.6 °C13 May 2003	5.3 °C23 January 2003	21.8 °C	1,712 mm	49
2002	34.3 °C17 May 2002	6.3 °C31 December 2002	21.8 °C	1,786 mm	61
2001	33.4 °C24 April 2001	4.3 °C6 January 2001	21.6 °C	1,775 mm	62
2000	34.2 °C11 April 2000	5.1 °C8 January 2000	21.2 °C	1,738 mm	44
1999	34.4 °C27 April 1999	6.8 °C10 January 1999	22.1 °C	1,885 mm	68
1998	32.9 °C14 May 1998	5.4 °C4 January 1998	21.7 °C	2,077 mm	47
1997	34.2 °C16 May 1997	4.2 °C26 January 1997	21.0 °C	1,702 mm	49
1996	33.1 °C21 May 1996	5.1 °C21 January 1996	21.6 °C	2,056 mm	50
1995	33.7 °C26 May 1995	3.8 °C4 January 1995	21.9 °C	1,868 mm	80
1994	33.1 °C30 April 1994	6.2 °C18 January 1994	21.5 °C	1,793 mm	51
1993	31.4 °C13 June 1993	4.4 °C21 January 1993	21.1 °C	1,973 mm	29
1992	33.5 °C11 May 1992	6.0 °C19 December 1992	21.3 °C	1,610 mm	62
1991	32.8 °C23 April 1991	4.0 °C31 December 1991	21.3 °C	1,811 mm	46
1990	32.9 °C19 August 1990	4.9 °C3 January 1990	21.3 °C	2,056 mm	38
1989	34.5 °C23 April 1989	3.4 °C13 January 1989	21.2 °C	1,784 mm	52
1988	35.4 °C7 April 1988	4.7 °C28 January 1988	21.8 °C	1,667 mm	56
1987	34.5 °C23 May 1987	5.5 °C4 January 1987	21.8 °C	1,255 mm	60
1986	33.9 °C1 April 1986	5.9 °C18 January 1986	21.5 °C	1,547 mm	66
1985	32.8 °C17 May 1985	6.0 °C15 January 1985	21.3 °C	1,712 mm	46
1984	35.2 °C22 April 1984	4.7 °C22 December 1984	21.3 °C	1,703 mm	65
1983	33.1 °C12 June 1983	2.6 °C5 January 1983	20.9 °C	2,216 mm	25
1982	36.0 °C24 May 1982	5.9 °C16 January 1982	21.3 °C	1,386 mm	59
1981	32.6 °C24 September 1981	5.7 °C3 January 1981	21.1 °C	1,494 mm	19
1980	34.2 °C13 April 1980	5.0 °C17 January 1980	21.3 °C	1,977 mm	50
1979	34.9 °C7 May 1979	4.2 °C16 January 1979	21.7 °C	1,771 mm	83
1978	33.2 °C10 April 1978	3.7 °C7 January 1978	20.9 °C	1,863 mm	35
1977	33.4 °C24 March 1977	4.0 °C5 January 1977	21.0 °C	1,620 mm	36
1976	33.5 °C3 May 1976	5.3 °C16 January 1976	21.0 °C	1,920 mm	40
1975	34.0 °C10 May 1975	3.3 °C22 January 1975	21.0 °C	2,114 mm	45
1974	31.8 °C11 June 1974	4.8 °C11 January 1974	21.0 °C	2,046 mm	32
1973	35.3 °C4 April 1973	5.9 °C18 January 1973	21.5 °C	2,488 mm	52
1972	34.6 °C13 July 1972	4.4 °C12 February 1972	21.3 °C	1,614 mm	51
1971	32.1 °C14 July 1971	5.6 °C2 January 1971	20.7 °C	2,062 mm	32
1970	33.4 °C3 May 1970	4.5 °C30 January 1970	21.2 °C	1,890 mm	53
1969	33.7 °C5 April 1969	3.1 °C17 January 1969	21.4 °C	1,800 mm	72
1968	33.8 °C23 April 1968	4.3 °C31 December 1968	20.9 °C	2,169 mm	27
1967	32.6 °C1 August 1967	4.2 °C31 January 1967	20.9 °C	2,100 mm	39
1966	34.8 °C4 May 1966	4.7 °C31 December 1966	21.1 °C	2,064 mm	63
1965	33.1 °C30 April 1965	5.2 °C9 January 1965	20.9 °C	2,443 mm	46
1964	34.5 °C27 May 1964	3.5 °C20 January 1964	21.3 °C	1,825 mm	59
1963	33.1 °C8 April 1963	4.1 °C5 January 1963	21.1 °C	2,515 mm	30
1962	33.6 °C23 May 1962	2.8 °C17 January 1962	21.0 °C	2,152 mm	56
1961	35.1 °C28 May 1961	3.4 °C31 December 1961	21.2 °C	2,069 mm	50
1960	37.0 °C30 April 1960	5.1 °C25 January 1960	21.6 °C	1,973 mm	72
1959	32.7 °C27 April 1959	3.9 °C2 January 1959	20.9 °C	2,671 mm	33
1958	34.8 °C4 June 1958	5.7 °C31 December 1958	21.8 °C	2,018 mm	90
1957	35.9 °C26 May 1957	4.6 °C16 February 1957	21.3 °C	1,304 mm	86
1956	37.1 °C17 April 1956	5.6 °C1 February 1956	21.2 °C	2,134 mm	59
1955	34.0 °C23 March 1955	5.6 °C6 January 1955	21.2 °C	1,949 mm	64
1954	35.2 °C19 April 1954	4.2 °C26 January 1954	21.2 °C	1,777 mm	54
1953	32.6 °C14 August 1953	2.5 °C26 January 1953	20.6 °C	1,700 mm	19
1952	34.8 °C14 April 1952	4.4 °C30 December 1952	20.9 °C	1,867 mm	18
1951	32.3 °C23 July 1951	6.6 °C29 January 1951	20.8 °C	2,407 mm	20
1950	33.1 °C25 April 1950	5.0 °C14 February 1950	21.0 °C	2,253 mm	38
1949	31.1 °C13 July 1949	4.9 °C23 December 1949	20.6 °C	2,300 mm	12
1948	31.9 °C6 April 1948	6.6 °C27 December 1948	21.0 °C	1,834 mm	41
1947	35.8 °C17 May 1947	6.1 °C17 January 1947	21.6 °C	1,935 mm	64
1946	34.2 °C20 March 1946	6.0 °C2 January 1946	21.3 °C	1,452 mm	42
1945	33.9 °C20 April 1945	5.6 °C4 February 1945	21.2 °C	1,721 mm	67
1944	33.5 °C24 July 1944	6.5 °C22 January 1944	21.0 °C	1,404 mm	48
1943	34.3 °C29 May 1943	6.2 °C4 February 1943	20.7 °C	1,385 mm	40
1942	34.2 °C24 April 1942	6.3 °C29 December 1942	20.8 °C	1,777 mm	60
1941	31.8 °C16 March 1941	5.0 °C13 January 1941	20.5 °C	1,944 mm	30
1940	32.6 °C19 April 1940	6.3 °C17 January 1940	20.5 °C	2,037 mm	32

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

28.1 °C

+1.4 °C

Hot days (≥ 30 °C)

105 d/yr

+45

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1894 mm

+43 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	23.8 °C	+1.9 °C	2 mm	-9 mm
Feb	26.3 °C	+1.9 °C	4 mm	-18 mm
Mar	30.0 °C	+1.9 °C	15 mm	-34 mm
Apr	30.7 °C	+0.8 °C	92 mm	-2 mm
May	29.4 °C	-0.1 °C	282 mm	+62 mm
Jun	29.4 °C	+0.9 °C	429 mm	+90 mm
Jul	29.6 °C	+1.7 °C	385 mm	+80 mm
Aug	29.1 °C	+1.2 °C	198 mm	-114 mm
Sep	29.8 °C	+1.9 °C	291 mm	+27 mm
Oct	29.2 °C	+2.1 °C	161 mm	-8 mm
Nov	26.3 °C	+1.4 °C	35 mm	-14 mm
Dec	23.7 °C	+1.4 °C	0 mm	-17 mm

The year's extremes

Hottest day

34.1 °C

30 Mar 2025

Coldest day

8.3 °C

31 Dec 2025

Wettest day

74.9 mm

20 Jul 2025

Windiest day

18.1 km/h

23 Apr 2025

Strongest gust

90.4 km/h

30 May 2025

Hottest feels-like

40.6 °C

10 Jun 2025

Coldest feels-like

7.4 °C

31 Dec 2025

Sunniest day

12.7 h

11 May 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 Aizawl?

Aizawl has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 21.4 °C and it receives 1,851 mm of precipitation per year.

What is the hottest day ever recorded in Aizawl?

The hottest day measured in Aizawl between 1940 and 2025 was 17 April 1956, reaching 37.1 °C.

What is the coldest day in Aizawl?

The coldest day measured in Aizawl between 1940 and 2025 was 26 January 1953, at 2.5 °C.

Does it snow in Aizawl?

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

Has the climate of Aizawl warmed?

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

What is the wettest day in Aizawl?

The wettest day measured in Aizawl between 1940 and 2025 was 27 May 1998, with 323 mm of rain in 24 hours.

What was the windiest day in Aizawl?

The windiest day measured in Aizawl between 1940 and 2025 was 17 May 1995, with winds reaching 26.1 km/h.

What is the warmest month in Aizawl?

The warmest month in Aizawl is June (24.7 °C on average); the coldest is January (14.9 °C).

How much does it rain in Aizawl?

Aizawl receives on average 1,851 mm of precipitation per year, spread over about 192 rainy days.

Is it sunny in Aizawl?

Aizawl gets on average 9.3 hours of sunshine per day, roughly 3,395 hours per year over 1940-2025.

Are there tropical nights in Aizawl?

Yes: Aizawl has on average 162 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Aizawl?

In Aizawl, between 1940 and 2025, the highest apparent temperature reached 42.3 °C on 24 May 2024, and the lowest was 0.0 °C on 26 January 1953.

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