Naharlagun climate — normals and trends

Q: What is the climate of Naharlagun?

Naharlagun has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 2,685 mm of precipitation per year.

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

The hottest day measured in Naharlagun between 1940 and 2025 was 12 June 2025, reaching 36.7 °C.

Q: What is the coldest day in Naharlagun?

The coldest day measured in Naharlagun between 1940 and 2025 was 28 December 1961, at 4.9 °C.

Q: Does it snow in Naharlagun?

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

Q: Has the climate of Naharlagun warmed?

Yes: Naharlagun warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Naharlagun?

The wettest day measured in Naharlagun between 1940 and 2025 was 15 September 1984, with 181 mm of rain in 24 hours.

Q: What was the windiest day in Naharlagun?

The windiest day measured in Naharlagun between 1940 and 2025 was 1 October 1966, with winds reaching 29.1 km/h.

Q: What is the warmest month in Naharlagun?

The warmest month in Naharlagun is August (26.9 °C on average); the coldest is January (15.2 °C).

Q: How much does it rain in Naharlagun?

Naharlagun receives on average 2,685 mm of precipitation per year, spread over about 203 rainy days.

Q: Is it sunny in Naharlagun?

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

Naharlagun (India) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 22.1 °C and it receives 2,685 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 August (26.9 °C on average) and the coldest is January (15.2 °C). Rainfall peaks in June.

Naharlagun averages 0 frost days, 63 hot days (≥ 30 °C) and 203 rainy days per year.

Naharlagun has warmed by +1.2 °C between 1940 and 2025, or +0.14 °C per decade. This trend is statistically significant.

The hottest day of the period reached 36.7 °C (on 12 June 2025) and the coldest 4.9 °C (on 28 December 1961).

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

NaharlagunArunachal Pradesh

coords: 27.10°, 93.70°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthAugustColdest monthJanuaryWettest monthJuneDriest monthDecember

Mean daily temperature

22.1°C

Average daily high

26.2°C

Average daily low

18.8°C

Annual rainfall

2,685mm

Sunshine / day

9.3h

Mean relative humidity

81%

Average peak wind

7.2km/h

Seasonal range

11.7°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

63 d/yr

Rainy days (≥ 1 mm)

203 d/yr

Annual snowfall

0.0 cm

Average feels-like high

29.6 °C

Average feels-like low

21.2 °C

Average peak gust

25.8 km/h

Tropical nights (≥ 20 °C)

177 d/yr

Solar radiation

14.8 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.2 °C

since 1940

+0.1 °C per decade · r² = 0.49 · 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

36.7 °C

12 June 2025

Coldest day

4.9 °C

28 December 1961

Wettest day

181 mm

15 September 1984

Windiest day

29.1 km/h

1 October 1966

Strongest gust

83.2 km/h

21 March 2011

Hottest feels-like

45.6 °C

23 September 2024

Coldest feels-like

2.1 °C

28 December 1961

Sunniest day

13.3 h

5 July 1973

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	36.7 °C12 June 2025	11.2 °C10 January 2025	23.4 °C	1,766 mm	129
2024	36.5 °C23 September 2024	10.1 °C28 January 2024	23.1 °C	2,509 mm	107
2023	36.3 °C4 September 2023	9.7 °C21 January 2023	23.2 °C	2,314 mm	103
2022	35.3 °C15 July 2022	9.1 °C31 January 2022	22.9 °C	2,396 mm	121
2021	34.5 °C24 July 2021	9.2 °C4 January 2021	23.2 °C	1,721 mm	123
2020	36.2 °C4 August 2020	8.8 °C25 January 2020	22.8 °C	2,469 mm	94
2019	36.2 °C6 August 2019	8.6 °C6 January 2019	22.9 °C	2,319 mm	94
2018	36.0 °C10 June 2018	9.4 °C9 January 2018	22.9 °C	1,976 mm	107
2017	34.9 °C18 July 2017	8.6 °C14 January 2017	23.3 °C	2,851 mm	99
2016	35.2 °C3 August 2016	9.4 °C13 January 2016	23.1 °C	2,569 mm	102
2015	35.6 °C26 July 2015	8.1 °C25 December 2015	22.9 °C	2,737 mm	87
2014	35.2 °C22 April 2014	8.1 °C9 January 2014	22.9 °C	2,687 mm	113
2013	35.8 °C13 June 2013	7.5 °C11 January 2013	22.7 °C	1,980 mm	115
2012	34.4 °C1 July 2012	8.3 °C30 December 2012	22.1 °C	3,062 mm	85
2011	34.3 °C21 July 2011	7.5 °C18 January 2011	22.6 °C	2,273 mm	95
2010	33.3 °C5 August 2010	8.9 °C6 January 2010	22.4 °C	3,763 mm	70
2009	34.9 °C13 July 2009	8.9 °C9 January 2009	22.8 °C	2,151 mm	96
2008	34.9 °C8 July 2008	7.4 °C3 February 2008	22.2 °C	2,525 mm	83
2007	34.6 °C6 May 2007	7.2 °C20 January 2007	22.4 °C	2,850 mm	84
2006	35.8 °C10 August 2006	9.4 °C29 January 2006	22.6 °C	1,878 mm	101
2005	33.9 °C19 September 2005	8.8 °C15 January 2005	22.2 °C	2,169 mm	79
2004	33.4 °C12 August 2004	8.5 °C30 December 2004	22.0 °C	3,257 mm	51
2003	34.7 °C24 July 2003	9.0 °C27 January 2003	22.1 °C	2,575 mm	52
2002	34.1 °C9 September 2002	9.0 °C4 January 2002	22.3 °C	2,777 mm	70
2001	33.9 °C5 July 2001	9.2 °C6 January 2001	22.4 °C	2,393 mm	73
2000	34.1 °C13 May 2000	8.6 °C3 January 2000	21.8 °C	2,706 mm	55
1999	34.4 °C21 April 1999	8.6 °C13 January 1999	23.2 °C	2,402 mm	72
1998	33.6 °C19 May 1998	8.6 °C23 January 1998	22.5 °C	2,836 mm	59
1997	34.2 °C27 August 1997	7.7 °C26 January 1997	21.5 °C	2,780 mm	53
1996	34.7 °C20 June 1996	8.5 °C23 January 1996	22.1 °C	3,371 mm	55
1995	33.8 °C31 August 1995	7.0 °C6 January 1995	22.1 °C	3,335 mm	64
1994	34.6 °C15 July 1994	8.2 °C27 December 1994	22.1 °C	2,731 mm	84
1993	33.3 °C15 June 1993	8.9 °C27 December 1993	21.9 °C	3,135 mm	55
1992	33.1 °C1 September 1992	6.3 °C2 January 1992	21.5 °C	2,618 mm	52
1991	34.1 °C21 August 1991	7.5 °C23 January 1991	21.8 °C	3,282 mm	41
1990	33.5 °C1 September 1990	8.6 °C1 January 1990	22.0 °C	3,676 mm	57
1989	33.6 °C11 June 1989	6.4 °C13 January 1989	21.7 °C	3,115 mm	46
1988	33.8 °C1 August 1988	8.0 °C28 January 1988	22.4 °C	3,317 mm	48
1987	33.8 °C20 June 1987	8.2 °C23 December 1987	22.2 °C	2,905 mm	51
1986	34.3 °C1 April 1986	8.5 °C23 January 1986	22.2 °C	2,343 mm	75
1985	33.6 °C11 September 1985	7.9 °C17 January 1985	21.9 °C	2,446 mm	50
1984	34.9 °C1 June 1984	7.4 °C25 January 1984	21.8 °C	2,987 mm	44
1983	33.4 °C13 June 1983	5.9 °C6 January 1983	21.5 °C	3,034 mm	56
1982	33.8 °C11 August 1982	7.9 °C28 December 1982	21.9 °C	2,573 mm	67
1981	34.0 °C11 June 1981	7.3 °C11 January 1981	22.2 °C	1,630 mm	67
1980	34.1 °C24 July 1980	6.7 °C10 January 1980	21.9 °C	2,573 mm	54
1979	36.1 °C6 June 1979	7.1 °C25 December 1979	22.3 °C	1,987 mm	78
1978	34.8 °C14 August 1978	6.6 °C5 January 1978	22.0 °C	2,566 mm	72
1977	32.6 °C6 September 1977	7.1 °C31 January 1977	21.5 °C	3,420 mm	49
1976	32.8 °C25 May 1976	8.3 °C22 January 1976	21.7 °C	2,433 mm	46
1975	34.1 °C27 August 1975	7.1 °C10 January 1975	21.9 °C	2,638 mm	66
1974	34.6 °C13 August 1974	8.1 °C6 January 1974	21.8 °C	3,038 mm	49
1973	34.5 °C25 August 1973	8.4 °C20 January 1973	22.3 °C	3,032 mm	72
1972	33.4 °C13 July 1972	6.9 °C10 February 1972	21.8 °C	3,124 mm	58
1971	34.2 °C14 July 1971	6.9 °C10 January 1971	21.8 °C	2,573 mm	60
1970	34.0 °C21 August 1970	8.0 °C30 January 1970	21.8 °C	2,863 mm	58
1969	33.6 °C31 May 1969	5.9 °C16 January 1969	22.1 °C	2,092 mm	70
1968	32.9 °C15 August 1968	7.5 °C20 January 1968	21.5 °C	2,979 mm	41
1967	33.0 °C28 August 1967	7.8 °C21 January 1967	21.7 °C	2,788 mm	52
1966	31.8 °C18 May 1966	9.8 °C17 January 1966	21.8 °C	2,866 mm	20
1965	33.0 °C11 June 1965	8.9 °C11 January 1965	21.5 °C	2,858 mm	31
1964	34.5 °C16 March 1964	7.7 °C26 January 1964	22.4 °C	3,291 mm	58
1963	34.6 °C10 September 1963	9.2 °C14 January 1963	22.3 °C	2,734 mm	64
1962	34.8 °C14 July 1962	6.1 °C4 January 1962	21.8 °C	3,025 mm	60
1961	33.8 °C26 June 1961	4.9 °C28 December 1961	21.8 °C	2,846 mm	57
1960	34.6 °C9 August 1960	8.7 °C2 January 1960	22.6 °C	3,102 mm	77
1959	33.7 °C30 August 1959	7.8 °C2 February 1959	21.7 °C	3,691 mm	45
1958	32.9 °C10 September 1958	9.0 °C19 January 1958	21.8 °C	4,113 mm	48
1957	35.2 °C14 April 1957	9.3 °C7 January 1957	21.6 °C	2,992 mm	55
1956	33.1 °C3 August 1956	7.9 °C2 January 1956	21.9 °C	2,748 mm	50
1955	32.3 °C16 March 1955	7.8 °C29 December 1955	21.8 °C	2,297 mm	39
1954	32.2 °C20 September 1954	8.6 °C16 January 1954	21.6 °C	2,851 mm	23
1953	33.6 °C13 August 1953	6.9 °C26 January 1953	21.8 °C	2,579 mm	36
1952	31.7 °C4 July 1952	8.3 °C31 December 1952	21.9 °C	2,564 mm	31
1951	33.6 °C5 September 1951	8.9 °C26 January 1951	21.7 °C	2,903 mm	24
1950	32.9 °C26 July 1950	9.0 °C14 February 1950	21.7 °C	2,589 mm	16
1949	31.8 °C13 July 1949	9.1 °C23 January 1949	21.8 °C	2,830 mm	23
1948	32.1 °C28 July 1948	8.8 °C16 December 1948	21.8 °C	2,318 mm	33
1947	35.1 °C19 May 1947	10.0 °C26 January 1947	22.3 °C	2,464 mm	64
1946	34.3 °C19 April 1946	9.4 °C2 January 1946	22.6 °C	1,654 mm	62
1945	32.7 °C8 June 1945	7.5 °C8 January 1945	21.8 °C	2,295 mm	41
1944	33.4 °C18 August 1944	9.5 °C5 January 1944	22.0 °C	2,233 mm	53
1943	33.0 °C10 July 1943	8.6 °C22 January 1943	21.1 °C	2,357 mm	16
1942	33.2 °C18 March 1942	9.1 °C5 January 1942	21.9 °C	2,531 mm	28
1941	32.4 °C10 July 1941	9.3 °C24 January 1941	21.7 °C	2,512 mm	28
1940	33.2 °C1 July 1940	9.3 °C5 January 1940	21.4 °C	2,385 mm	30

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

+1.7 °C

Hot days (≥ 30 °C)

129 d/yr

+66

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1766 mm

-919 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	23.3 °C	+2.5 °C	24 mm	-4 mm
Feb	22.3 °C	0.0 °C	54 mm	-0 mm
Mar	25.0 °C	-0.2 °C	120 mm	-0 mm
Apr	27.9 °C	+1.6 °C	198 mm	-96 mm
May	28.2 °C	+0.4 °C	353 mm	-57 mm
Jun	31.5 °C	+2.3 °C	264 mm	-231 mm
Jul	32.7 °C	+3.2 °C	214 mm	-236 mm
Aug	30.6 °C	+0.8 °C	278 mm	-96 mm
Sep	31.9 °C	+2.8 °C	160 mm	-138 mm
Oct	29.8 °C	+2.2 °C	62 mm	-64 mm
Nov	26.9 °C	+2.0 °C	39 mm	+17 mm
Dec	23.9 °C	+1.9 °C	1 mm	-14 mm

The year's extremes

Hottest day

36.7 °C

12 Jun 2025

Coldest day

11.2 °C

10 Jan 2025

Wettest day

129.9 mm

30 May 2025

Windiest day

20.7 km/h

18 Mar 2025

Strongest gust

66.6 km/h

23 Apr 2025

Hottest feels-like

44.9 °C

12 Jun 2025

Coldest feels-like

10.3 °C

16 Jan 2025

Sunniest day

13.1 h

11 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 Naharlagun?

Naharlagun has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 22.1 °C and it receives 2,685 mm of precipitation per year.

What is the hottest day ever recorded in Naharlagun?

The hottest day measured in Naharlagun between 1940 and 2025 was 12 June 2025, reaching 36.7 °C.

What is the coldest day in Naharlagun?

The coldest day measured in Naharlagun between 1940 and 2025 was 28 December 1961, at 4.9 °C.

Does it snow in Naharlagun?

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

Has the climate of Naharlagun warmed?

Yes: Naharlagun warmed by +1.2 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Naharlagun?

The wettest day measured in Naharlagun between 1940 and 2025 was 15 September 1984, with 181 mm of rain in 24 hours.

What was the windiest day in Naharlagun?

The windiest day measured in Naharlagun between 1940 and 2025 was 1 October 1966, with winds reaching 29.1 km/h.

What is the warmest month in Naharlagun?

The warmest month in Naharlagun is August (26.9 °C on average); the coldest is January (15.2 °C).

How much does it rain in Naharlagun?

Naharlagun receives on average 2,685 mm of precipitation per year, spread over about 203 rainy days.

Is it sunny in Naharlagun?

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

Are there tropical nights in Naharlagun?

Yes: Naharlagun has on average 177 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Naharlagun?

In Naharlagun, between 1940 and 2025, the highest apparent temperature reached 45.6 °C on 23 September 2024, and the lowest was 2.1 °C on 28 December 1961.

Compare Naharlagun with another city

Pick a second city: its normals will be set against these, indicator by indicator.

Nearby cities

The climate around Naharlagun

Other cities — India

All cities in India →