Janakpur Dham climate — normals and trends

Q: What is the climate of Janakpur Dham?

Janakpur Dham has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 24.7 °C and it receives 1,349 mm of precipitation per year.

Q: What is the hottest day ever recorded in Janakpur Dham?

The hottest day measured in Janakpur Dham between 1940 and 2025 was 26 May 1957, reaching 46.0 °C.

Q: What is the coldest day in Janakpur Dham?

The coldest day measured in Janakpur Dham between 1940 and 2025 was 9 January 2013, at 3.8 °C.

Q: Does it snow in Janakpur Dham?

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

Q: Has the climate of Janakpur Dham warmed?

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

Q: What is the wettest day in Janakpur Dham?

The wettest day measured in Janakpur Dham between 1940 and 2025 was 12 August 1987, with 335 mm of rain in 24 hours.

Q: What was the windiest day in Janakpur Dham?

The windiest day measured in Janakpur Dham between 1940 and 2025 was 4 September 1967, with winds reaching 39.6 km/h.

Q: What is the warmest month in Janakpur Dham?

The warmest month in Janakpur Dham is May (30.4 °C on average); the coldest is January (15.9 °C).

Q: How much does it rain in Janakpur Dham?

Janakpur Dham receives on average 1,349 mm of precipitation per year, spread over about 130 rainy days.

Q: Is it sunny in Janakpur Dham?

Janakpur Dham gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Janakpur Dham (Nepal) has a humid subtropical, dry winter climate (Cwa) under the Köppen-Geiger classification. Its mean annual temperature is 24.7 °C and it receives 1,349 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 May (30.4 °C on average) and the coldest is January (15.9 °C). Rainfall peaks in July.

Janakpur Dham averages 0 frost days, 199 hot days (≥ 30 °C) and 130 rainy days per year.

Janakpur Dham 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 46.0 °C (on 26 May 1957) and the coldest 3.8 °C (on 9 January 2013).

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

Janakpur DhamMadhesh

coords: 26.73°, 85.93°
period: 1940–2025 · 86 yrs

CwaHumid subtropical, dry winterWarmest monthMayColdest monthJanuaryWettest monthJulyDriest monthDecember

Mean daily temperature

24.7°C

Average daily high

30.2°C

Average daily low

20.0°C

Annual rainfall

1,349mm

Sunshine / day

10.1h

Mean relative humidity

68%

Average peak wind

13.2km/h

Seasonal range

14.5°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

199 d/yr

Rainy days (≥ 1 mm)

130 d/yr

Annual snowfall

0.0 cm

Average feels-like high

32.8 °C

Average feels-like low

21.9 °C

Average peak gust

29.1 km/h

Tropical nights (≥ 20 °C)

207 d/yr

Solar radiation

17.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.6 °C

since 1940

+0.2 °C per decade · r² = 0.48 · 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

46.0 °C

26 May 1957

Coldest day

3.8 °C

9 January 2013

Wettest day

335 mm

12 August 1987

Windiest day

39.6 km/h

4 September 1967

Strongest gust

89.6 km/h

4 October 1968

Hottest feels-like

48.0 °C

12 August 2019

Coldest feels-like

1.5 °C

9 January 2013

Sunniest day

13.1 h

5 June 1979

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days
2025	40.5 °C13 July 2025	8.9 °C3 January 2025	25.5 °C	1,410 mm	223
2024	42.4 °C30 April 2024	7.5 °C28 January 2024	25.8 °C	1,189 mm	229
2023	42.8 °C8 June 2023	6.8 °C9 January 2023	25.9 °C	1,101 mm	250
2022	41.1 °C15 April 2022	8.9 °C18 January 2022	25.5 °C	1,111 mm	244
2021	39.7 °C27 April 2021	6.6 °C31 January 2021	24.9 °C	1,542 mm	218
2020	38.7 °C25 May 2020	7.9 °C22 December 2020	24.7 °C	1,664 mm	228
2019	41.5 °C27 May 2019	5.0 °C31 December 2019	25.4 °C	1,569 mm	225
2018	40.2 °C9 May 2018	7.0 °C7 January 2018	25.4 °C	887 mm	255
2017	41.1 °C27 April 2017	6.5 °C14 January 2017	25.4 °C	1,171 mm	232
2016	42.5 °C10 April 2016	8.2 °C23 January 2016	25.6 °C	1,378 mm	253
2015	43.9 °C6 June 2015	6.7 °C24 December 2015	25.5 °C	933 mm	233
2014	42.3 °C21 May 2014	8.0 °C29 December 2014	24.9 °C	1,281 mm	214
2013	41.2 °C12 April 2013	3.8 °C9 January 2013	25.0 °C	1,383 mm	213
2012	42.5 °C23 May 2012	7.0 °C15 January 2012	25.1 °C	1,271 mm	225
2011	39.0 °C21 April 2011	6.1 °C12 January 2011	24.7 °C	1,483 mm	227
2010	42.2 °C24 April 2010	7.7 °C22 December 2010	25.6 °C	1,699 mm	237
2009	42.9 °C8 May 2009	8.7 °C29 December 2009	25.7 °C	1,542 mm	242
2008	42.8 °C27 April 2008	6.8 °C2 February 2008	25.2 °C	1,386 mm	223
2007	43.7 °C1 June 2007	6.7 °C16 January 2007	25.1 °C	1,883 mm	194
2006	42.2 °C1 May 2006	7.5 °C25 January 2006	25.6 °C	1,244 mm	238
2005	44.6 °C1 June 2005	8.6 °C3 February 2005	25.6 °C	1,131 mm	231
2004	43.9 °C15 May 2004	7.6 °C28 December 2004	24.7 °C	1,292 mm	212
2003	42.3 °C28 May 2003	6.4 °C16 January 2003	24.6 °C	1,437 mm	197
2002	41.5 °C19 April 2002	8.3 °C5 January 2002	24.9 °C	1,130 mm	214
2001	41.1 °C11 April 2001	6.9 °C11 January 2001	24.9 °C	1,471 mm	229
2000	40.5 °C12 May 2000	6.5 °C17 January 2000	24.5 °C	1,810 mm	217
1999	42.3 °C26 April 1999	6.9 °C12 January 1999	25.2 °C	1,838 mm	202
1998	43.7 °C8 June 1998	7.8 °C31 December 1998	25.3 °C	1,456 mm	211
1997	43.3 °C15 May 1997	6.1 °C14 January 1997	24.4 °C	1,158 mm	214
1996	43.1 °C10 May 1996	7.7 °C30 January 1996	25.3 °C	1,162 mm	225
1995	44.8 °C25 May 1995	6.2 °C2 January 1995	25.6 °C	1,542 mm	235
1994	43.8 °C4 May 1994	7.6 °C18 January 1994	25.8 °C	742 mm	247
1993	39.6 °C7 April 1993	5.9 °C21 January 1993	24.7 °C	1,263 mm	205
1992	42.7 °C14 April 1992	6.7 °C1 January 1992	25.3 °C	769 mm	250
1991	41.8 °C10 May 1991	6.2 °C20 January 1991	24.8 °C	945 mm	224
1990	40.4 °C22 April 1990	6.6 °C4 January 1990	24.5 °C	1,281 mm	184
1989	45.7 °C6 May 1989	5.5 °C12 January 1989	24.5 °C	1,127 mm	208
1988	43.2 °C10 May 1988	6.2 °C26 January 1988	25.3 °C	1,692 mm	230
1987	43.4 °C24 May 1987	7.9 °C2 January 1987	25.3 °C	2,056 mm	200
1986	42.3 °C30 March 1986	7.7 °C29 December 1986	24.6 °C	1,347 mm	184
1985	42.5 °C25 April 1985	7.4 °C13 January 1985	25.0 °C	1,191 mm	196
1984	41.3 °C4 April 1984	6.2 °C28 January 1984	24.4 °C	1,247 mm	206
1983	43.4 °C20 June 1983	6.2 °C2 February 1983	24.7 °C	1,024 mm	228
1982	43.2 °C9 May 1982	8.3 °C26 December 1982	24.9 °C	1,051 mm	219
1981	41.9 °C13 June 1981	5.7 °C20 December 1981	24.4 °C	1,226 mm	204
1980	43.0 °C25 April 1980	7.0 °C16 January 1980	25.4 °C	863 mm	249
1979	44.7 °C6 June 1979	8.2 °C3 February 1979	25.6 °C	953 mm	194
1978	40.8 °C19 May 1978	5.6 °C5 January 1978	24.8 °C	1,097 mm	218
1977	43.7 °C31 May 1977	6.3 °C30 January 1977	25.0 °C	925 mm	216
1976	40.8 °C4 May 1976	6.8 °C11 January 1976	24.7 °C	1,234 mm	220
1975	42.0 °C18 May 1975	5.8 °C1 January 1975	24.8 °C	1,353 mm	200
1974	41.1 °C3 June 1974	5.4 °C7 February 1974	24.7 °C	1,507 mm	199
1973	43.8 °C15 April 1973	8.2 °C24 January 1973	25.1 °C	2,047 mm	184
1972	43.5 °C11 June 1972	8.1 °C12 January 1972	25.2 °C	1,105 mm	205
1971	36.5 °C26 March 1971	6.3 °C30 January 1971	23.8 °C	1,659 mm	131
1970	40.6 °C3 May 1970	8.0 °C28 December 1970	24.5 °C	1,387 mm	194
1969	41.1 °C18 May 1969	7.4 °C15 January 1969	24.5 °C	975 mm	189
1968	42.2 °C25 May 1968	6.9 °C3 February 1968	24.1 °C	1,539 mm	172
1967	41.7 °C25 May 1967	6.0 °C3 January 1967	24.3 °C	1,382 mm	190
1966	43.5 °C11 June 1966	7.4 °C17 January 1966	24.5 °C	1,240 mm	163
1965	42.4 °C6 June 1965	7.2 °C9 January 1965	24.4 °C	1,471 mm	150
1964	45.5 °C7 June 1964	4.8 °C19 January 1964	25.0 °C	1,400 mm	185
1963	41.9 °C17 May 1963	6.5 °C4 January 1963	24.6 °C	1,926 mm	198
1962	38.3 °C13 April 1962	6.4 °C16 January 1962	24.1 °C	1,610 mm	175
1961	44.2 °C20 May 1961	6.3 °C26 December 1961	24.4 °C	1,189 mm	184
1960	44.6 °C5 May 1960	8.2 °C18 January 1960	25.3 °C	1,235 mm	199
1959	42.8 °C20 May 1959	7.7 °C30 December 1959	24.7 °C	1,244 mm	179
1958	44.4 °C25 May 1958	8.5 °C20 January 1958	25.4 °C	1,686 mm	186
1957	46.0 °C26 May 1957	8.2 °C6 January 1957	25.2 °C	1,381 mm	203
1956	42.2 °C19 April 1956	7.1 °C18 December 1956	24.3 °C	1,678 mm	175
1955	41.5 °C15 May 1955	6.1 °C2 January 1955	24.5 °C	1,570 mm	169
1954	42.3 °C14 May 1954	7.1 °C31 December 1954	24.3 °C	1,545 mm	153
1953	33.3 °C30 March 1953	6.1 °C25 January 1953	22.9 °C	1,440 mm	96
1952	35.1 °C15 April 1952	8.0 °C28 December 1952	22.7 °C	2,130 mm	96
1951	39.4 °C19 May 1951	8.2 °C26 January 1951	23.4 °C	1,673 mm	134
1950	40.1 °C22 April 1950	5.1 °C12 February 1950	23.6 °C	1,894 mm	123
1949	33.8 °C16 June 1949	7.3 °C22 December 1949	22.9 °C	1,721 mm	92
1948	39.5 °C12 April 1948	7.4 °C17 January 1948	24.2 °C	1,358 mm	174
1947	41.6 °C18 May 1947	8.0 °C15 January 1947	24.6 °C	1,124 mm	166
1946	39.5 °C21 May 1946	7.8 °C2 January 1946	24.3 °C	1,139 mm	190
1945	40.0 °C12 May 1945	5.3 °C8 January 1945	24.0 °C	1,165 mm	181
1944	41.9 °C15 May 1944	7.6 °C19 January 1944	24.3 °C	992 mm	174
1943	36.5 °C6 April 1943	7.3 °C8 February 1943	23.3 °C	1,095 mm	122
1942	39.9 °C22 April 1942	7.4 °C4 January 1942	24.1 °C	1,384 mm	149
1941	38.0 °C8 April 1941	8.0 °C13 January 1941	24.0 °C	1,217 mm	162
1940	39.5 °C16 April 1940	8.3 °C30 December 1940	23.9 °C	933 mm	162

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

30.7 °C

+0.5 °C

Hot days (≥ 30 °C)

223 d/yr

+24

Frost days (< 0 °C)

0 d/yr

Annual rainfall

1410 mm

+61 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	22.1 °C	-0.7 °C	1 mm	-15 mm
Feb	26.5 °C	+0.2 °C	0 mm	-14 mm
Mar	32.3 °C	+0.2 °C	7 mm	-8 mm
Apr	34.3 °C	-1.7 °C	94 mm	+64 mm
May	35.3 °C	-0.7 °C	64 mm	-6 mm
Jun	35.5 °C	+1.7 °C	142 mm	-84 mm
Jul	34.9 °C	+3.6 °C	134 mm	-254 mm
Aug	32.3 °C	+1.2 °C	467 mm	+174 mm
Sep	32.7 °C	+1.8 °C	188 mm	-29 mm
Oct	30.8 °C	+0.8 °C	313 mm	+243 mm
Nov	28.4 °C	+0.7 °C	0 mm	-6 mm
Dec	22.7 °C	-1.6 °C	0 mm	-6 mm

The year's extremes

Hottest day

40.5 °C

13 Jul 2025

Coldest day

8.9 °C

3 Jan 2025

Wettest day

116.9 mm

4 Oct 2025

Windiest day

34.2 km/h

26 Jul 2025

Strongest gust

60.8 km/h

26 Jul 2025

Hottest feels-like

46.7 °C

24 Jul 2025

Coldest feels-like

7.9 °C

3 Jan 2025

Sunniest day

13.0 h

28 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 Janakpur Dham?

Janakpur Dham has a humid subtropical, dry winter climate (Köppen Cwa). Over 1940-2025, the average annual temperature is 24.7 °C and it receives 1,349 mm of precipitation per year.

What is the hottest day ever recorded in Janakpur Dham?

The hottest day measured in Janakpur Dham between 1940 and 2025 was 26 May 1957, reaching 46.0 °C.

What is the coldest day in Janakpur Dham?

The coldest day measured in Janakpur Dham between 1940 and 2025 was 9 January 2013, at 3.8 °C.

Does it snow in Janakpur Dham?

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

Has the climate of Janakpur Dham warmed?

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

What is the wettest day in Janakpur Dham?

The wettest day measured in Janakpur Dham between 1940 and 2025 was 12 August 1987, with 335 mm of rain in 24 hours.

What was the windiest day in Janakpur Dham?

The windiest day measured in Janakpur Dham between 1940 and 2025 was 4 September 1967, with winds reaching 39.6 km/h.

What is the warmest month in Janakpur Dham?

The warmest month in Janakpur Dham is May (30.4 °C on average); the coldest is January (15.9 °C).

How much does it rain in Janakpur Dham?

Janakpur Dham receives on average 1,349 mm of precipitation per year, spread over about 130 rainy days.

Is it sunny in Janakpur Dham?

Janakpur Dham gets on average 10.1 hours of sunshine per day, roughly 3,687 hours per year over 1940-2025.

Are there tropical nights in Janakpur Dham?

Yes: Janakpur Dham has on average 207 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Janakpur Dham?

In Janakpur Dham, between 1940 and 2025, the highest apparent temperature reached 48.0 °C on 12 August 2019, and the lowest was 1.5 °C on 9 January 2013.

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