Guwahati climate — normals and trends

Q: What is the climate of Guwahati?

Guwahati has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 2,882 mm of precipitation per year.

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

The hottest day measured in Guwahati between 1940 and 2025 was 30 April 1960, reaching 41.0 °C.

Q: What is the coldest day in Guwahati?

The coldest day measured in Guwahati between 1940 and 2025 was 26 January 1953, at 6.6 °C.

Q: Does it snow in Guwahati?

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

Q: Has the climate of Guwahati warmed?

Yes: Guwahati warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Guwahati?

The wettest day measured in Guwahati between 1940 and 2025 was 24 July 1964, with 208 mm of rain in 24 hours.

Q: What was the windiest day in Guwahati?

The windiest day measured in Guwahati between 1940 and 2025 was 28 May 2024, with winds reaching 44.5 km/h.

Q: What is the warmest month in Guwahati?

The warmest month in Guwahati is July (27.9 °C on average); the coldest is January (17.0 °C).

Q: How much does it rain in Guwahati?

Guwahati receives on average 2,882 mm of precipitation per year, spread over about 195 rainy days.

Q: Is it sunny in Guwahati?

Guwahati gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Guwahati (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 23.9 °C and it receives 2,882 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 (27.9 °C on average) and the coldest is January (17.0 °C). Rainfall peaks in July.

Guwahati averages 0 frost days, 145 hot days (≥ 30 °C) and 195 rainy days per year.

Guwahati has warmed by +1.4 °C between 1940 and 2025, or +0.17 °C per decade. This trend is statistically significant.

The hottest day of the period reached 41.0 °C (on 30 April 1960) and the coldest 6.6 °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

GuwahatiAssam

coords: 26.18°, 91.75°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthJulyColdest monthJanuaryWettest monthJulyDriest monthDecember

Mean daily temperature

23.9°C

Average daily high

28.6°C

Average daily low

20.3°C

Annual rainfall

2,882mm

Sunshine / day

9.2h

Mean relative humidity

79%

Average peak wind

11.2km/h

Seasonal range

10.9°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

145 d/yr

Rainy days (≥ 1 mm)

195 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.2 °C

Average feels-like low

23.0 °C

Average peak gust

28.1 km/h

Tropical nights (≥ 20 °C)

212 d/yr

Solar radiation

15.7 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.4 °C

since 1940

+0.2 °C per decade · r² = 0.61 · 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

30 April 1960

Coldest day

6.6 °C

26 January 1953

Wettest day

208 mm

24 July 1964

Windiest day

44.5 km/h

28 May 2024

Strongest gust

99.4 km/h

28 May 2024

Hottest feels-like

46.8 °C

19 September 2024

Coldest feels-like

4.2 °C

26 December 1961

Sunniest day

13.5 h

26 June 1961

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	37.4 °C13 July 2025	11.7 °C11 January 2025	25.3 °C	2,532 mm	205
2024	38.4 °C25 May 2024	11.5 °C24 December 2024	25.1 °C	3,330 mm	194
2023	38.3 °C17 April 2023	10.5 °C21 January 2023	25.3 °C	2,602 mm	201
2022	36.5 °C14 July 2022	10.0 °C29 January 2022	24.7 °C	2,135 mm	172
2021	37.0 °C26 April 2021	11.0 °C4 January 2021	25.1 °C	2,025 mm	197
2020	36.4 °C3 August 2020	10.3 °C7 January 2020	24.6 °C	2,471 mm	188
2019	37.7 °C12 August 2019	10.1 °C2 January 2019	24.7 °C	2,707 mm	171
2018	37.3 °C19 August 2018	9.1 °C9 January 2018	24.5 °C	2,735 mm	171
2017	37.0 °C18 July 2017	10.0 °C14 January 2017	24.9 °C	3,159 mm	164
2016	36.7 °C25 August 2016	10.0 °C15 January 2016	24.9 °C	3,380 mm	191
2015	36.3 °C26 July 2015	8.0 °C26 December 2015	24.5 °C	2,819 mm	155
2014	40.0 °C22 April 2014	9.6 °C29 December 2014	24.6 °C	2,642 mm	198
2013	37.1 °C12 April 2013	6.8 °C12 January 2013	24.5 °C	2,571 mm	202
2012	38.2 °C3 April 2012	9.8 °C16 January 2012	24.2 °C	3,044 mm	175
2011	34.9 °C4 September 2011	9.3 °C19 January 2011	24.2 °C	3,317 mm	185
2010	37.9 °C20 March 2010	9.5 °C3 January 2010	24.5 °C	2,979 mm	175
2009	37.8 °C27 April 2009	10.0 °C11 January 2009	25.0 °C	2,339 mm	206
2008	35.6 °C8 July 2008	9.5 °C3 February 2008	24.2 °C	3,338 mm	165
2007	36.3 °C10 August 2007	8.5 °C14 January 2007	24.2 °C	2,852 mm	161
2006	36.7 °C16 August 2006	11.0 °C26 January 2006	24.7 °C	2,197 mm	183
2005	35.4 °C13 September 2005	9.0 °C24 January 2005	24.3 °C	2,572 mm	150
2004	35.3 °C12 August 2004	9.1 °C28 December 2004	23.9 °C	3,017 mm	129
2003	35.8 °C26 July 2003	10.2 °C26 January 2003	23.8 °C	2,954 mm	136
2002	34.9 °C9 September 2002	10.0 °C5 January 2002	24.1 °C	3,426 mm	136
2001	38.1 °C7 April 2001	9.6 °C11 January 2001	24.2 °C	2,913 mm	176
2000	36.1 °C6 April 2000	9.5 °C8 January 2000	23.8 °C	2,664 mm	150
1999	37.6 °C22 April 1999	9.7 °C13 January 1999	24.8 °C	3,156 mm	184
1998	36.7 °C21 May 1998	9.1 °C23 January 1998	24.3 °C	3,102 mm	152
1997	35.1 °C27 August 1997	9.4 °C26 January 1997	23.5 °C	2,908 mm	130
1996	38.4 °C16 April 1996	9.9 °C13 January 1996	24.2 °C	2,699 mm	161
1995	36.4 °C14 April 1995	8.4 °C4 January 1995	24.2 °C	3,767 mm	182
1994	36.0 °C6 May 1994	9.9 °C18 January 1994	23.9 °C	3,137 mm	162
1993	35.3 °C7 April 1993	9.4 °C24 January 1993	23.6 °C	3,970 mm	123
1992	38.1 °C14 April 1992	7.4 °C3 January 1992	23.7 °C	2,109 mm	148
1991	36.1 °C21 August 1991	8.9 °C23 January 1991	23.8 °C	3,196 mm	135
1990	35.2 °C25 June 1990	9.2 °C3 January 1990	23.8 °C	3,436 mm	123
1989	36.6 °C22 April 1989	6.7 °C14 January 1989	23.7 °C	2,595 mm	140
1988	34.8 °C8 April 1988	8.8 °C28 January 1988	24.1 °C	3,467 mm	121
1987	36.0 °C18 May 1987	8.8 °C5 January 1987	24.0 °C	2,446 mm	128
1986	37.6 °C1 April 1986	9.8 °C19 January 1986	24.0 °C	2,961 mm	144
1985	34.4 °C19 March 1985	8.6 °C19 January 1985	23.8 °C	2,343 mm	143
1984	35.6 °C5 April 1984	8.5 °C30 January 1984	23.7 °C	2,963 mm	133
1983	37.2 °C9 April 1983	7.2 °C7 January 1983	23.6 °C	2,550 mm	138
1982	35.3 °C25 May 1982	9.2 °C28 December 1982	23.8 °C	2,156 mm	149
1981	34.5 °C11 June 1981	7.9 °C11 January 1981	24.0 °C	2,014 mm	171
1980	36.2 °C7 April 1980	9.8 °C9 February 1980	23.9 °C	2,858 mm	140
1979	36.9 °C4 April 1979	7.6 °C9 January 1979	24.4 °C	1,954 mm	161
1978	37.3 °C10 April 1978	6.9 °C5 January 1978	23.8 °C	2,407 mm	177
1977	35.8 °C24 March 1977	7.2 °C9 February 1977	23.4 °C	3,004 mm	126
1976	36.8 °C16 April 1976	8.9 °C31 December 1976	23.8 °C	2,432 mm	140
1975	37.3 °C2 April 1975	9.0 °C15 January 1975	23.9 °C	2,984 mm	144
1974	35.3 °C13 August 1974	7.8 °C7 February 1974	23.6 °C	2,933 mm	113
1973	38.2 °C31 March 1973	10.3 °C20 January 1973	24.1 °C	3,536 mm	142
1972	34.8 °C13 July 1972	9.2 °C8 February 1972	23.6 °C	2,565 mm	133
1971	35.1 °C17 March 1971	7.9 °C31 January 1971	23.4 °C	3,079 mm	122
1970	36.7 °C1 April 1970	9.2 °C3 January 1970	23.8 °C	3,094 mm	148
1969	34.7 °C31 May 1969	8.5 °C3 January 1969	23.8 °C	2,484 mm	153
1968	35.9 °C22 April 1968	7.7 °C3 February 1968	23.5 °C	2,736 mm	137
1967	34.6 °C10 April 1967	9.1 °C15 January 1967	23.5 °C	2,928 mm	116
1966	36.7 °C1 April 1966	10.5 °C30 December 1966	23.7 °C	2,737 mm	107
1965	35.3 °C18 March 1965	10.1 °C9 January 1965	23.4 °C	3,216 mm	102
1964	37.6 °C16 March 1964	6.6 °C28 January 1964	24.0 °C	3,877 mm	158
1963	38.4 °C31 March 1963	9.7 °C14 January 1963	23.9 °C	3,683 mm	149
1962	37.8 °C2 April 1962	6.9 °C3 January 1962	23.8 °C	3,179 mm	141
1961	36.4 °C16 April 1961	6.6 °C26 December 1961	23.6 °C	2,976 mm	140
1960	41.0 °C30 April 1960	8.3 °C2 January 1960	24.5 °C	3,397 mm	148
1959	36.4 °C21 March 1959	9.3 °C1 February 1959	23.4 °C	3,521 mm	116
1958	37.0 °C27 March 1958	9.1 °C26 December 1958	23.9 °C	3,631 mm	143
1957	40.5 °C20 April 1957	8.9 °C19 January 1957	23.7 °C	2,710 mm	154
1956	36.9 °C18 April 1956	8.8 °C3 January 1956	23.6 °C	3,396 mm	125
1955	37.8 °C21 April 1955	9.5 °C27 December 1955	23.8 °C	2,921 mm	130
1954	36.1 °C23 March 1954	9.8 °C26 January 1954	23.7 °C	2,646 mm	105
1953	34.2 °C19 June 1953	6.6 °C26 January 1953	23.1 °C	2,839 mm	76
1952	33.3 °C4 July 1952	9.2 °C31 December 1952	23.3 °C	3,049 mm	104
1951	34.5 °C24 July 1951	9.9 °C26 January 1951	23.4 °C	2,889 mm	99
1950	34.4 °C11 April 1950	9.6 °C15 February 1950	23.4 °C	2,878 mm	96
1949	33.4 °C13 July 1949	9.1 °C2 January 1949	23.1 °C	3,357 mm	86
1948	34.7 °C4 April 1948	9.5 °C16 December 1948	23.6 °C	2,858 mm	117
1947	37.2 °C8 April 1947	10.4 °C15 January 1947	24.1 °C	2,772 mm	143
1946	36.1 °C22 March 1946	10.4 °C3 January 1946	24.0 °C	2,728 mm	142
1945	38.0 °C4 April 1945	8.1 °C8 January 1945	23.7 °C	2,874 mm	132
1944	34.8 °C23 April 1944	10.4 °C29 January 1944	23.9 °C	2,550 mm	136
1943	33.9 °C10 July 1943	9.5 °C3 February 1943	22.8 °C	2,247 mm	73
1942	35.7 °C17 March 1942	10.3 °C3 January 1942	23.4 °C	3,188 mm	99
1941	33.7 °C16 March 1941	9.3 °C25 January 1941	23.3 °C	2,670 mm	110
1940	34.2 °C2 July 1940	9.3 °C5 January 1940	23.0 °C	2,385 mm	100

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

30.1 °C

+1.5 °C

Hot days (≥ 30 °C)

205 d/yr

+60

Frost days (< 0 °C)

0 d/yr

Annual rainfall

2532 mm

-350 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	24.7 °C	+1.4 °C	6 mm	-7 mm
Feb	26.1 °C	+0.2 °C	7 mm	-12 mm
Mar	31.1 °C	+1.1 °C	31 mm	-27 mm
Apr	32.3 °C	+1.8 °C	119 mm	-43 mm
May	30.5 °C	+0.5 °C	410 mm	+104 mm
Jun	33.2 °C	+2.6 °C	297 mm	-235 mm
Jul	33.2 °C	+2.4 °C	503 mm	-154 mm
Aug	32.3 °C	+1.3 °C	602 mm	-2 mm
Sep	33.0 °C	+2.5 °C	386 mm	+18 mm
Oct	31.3 °C	+2.0 °C	115 mm	-19 mm
Nov	28.6 °C	+1.7 °C	53 mm	+31 mm
Dec	25.3 °C	+1.0 °C	5 mm	-3 mm

The year's extremes

Hottest day

37.4 °C

13 Jul 2025

Coldest day

11.7 °C

11 Jan 2025

Wettest day

125.7 mm

30 May 2025

Windiest day

34.4 km/h

30 May 2025

Strongest gust

68.8 km/h

30 May 2025

Hottest feels-like

45.8 °C

10 Jun 2025

Coldest feels-like

10.9 °C

11 Jan 2025

Sunniest day

13.1 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 Guwahati?

Guwahati has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 23.9 °C and it receives 2,882 mm of precipitation per year.

What is the hottest day ever recorded in Guwahati?

The hottest day measured in Guwahati between 1940 and 2025 was 30 April 1960, reaching 41.0 °C.

What is the coldest day in Guwahati?

The coldest day measured in Guwahati between 1940 and 2025 was 26 January 1953, at 6.6 °C.

Does it snow in Guwahati?

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

Has the climate of Guwahati warmed?

Yes: Guwahati warmed by +1.4 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Guwahati?

The wettest day measured in Guwahati between 1940 and 2025 was 24 July 1964, with 208 mm of rain in 24 hours.

What was the windiest day in Guwahati?

The windiest day measured in Guwahati between 1940 and 2025 was 28 May 2024, with winds reaching 44.5 km/h.

What is the warmest month in Guwahati?

The warmest month in Guwahati is July (27.9 °C on average); the coldest is January (17.0 °C).

How much does it rain in Guwahati?

Guwahati receives on average 2,882 mm of precipitation per year, spread over about 195 rainy days.

Is it sunny in Guwahati?

Guwahati gets on average 9.2 hours of sunshine per day, roughly 3,358 hours per year over 1940-2025.

Are there tropical nights in Guwahati?

Yes: Guwahati has on average 212 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Guwahati?

In Guwahati, between 1940 and 2025, the highest apparent temperature reached 46.8 °C on 19 September 2024, and the lowest was 4.2 °C on 26 December 1961.

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