Nepalgunj climate

Name: Nepalgunj
Address: NP

Nepalgunj is warmest in May, with average highs of 37 °C, and coldest in January, when nights average 7.9 °C. July is the wettest month (365 mm) and November the driest (4.2 mm). Figures are 1991–2020 climate normals.

Across a full year Nepalgunj averages 1,142 mm of rain and 273 days above 25 °C.

Nepal · population 166,258 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month May 37 °C
Coldest month January 7.9 °C
Driest month November 4 mm
Wettest month July 365 mm
Least cloud November 14 % cloud
Hottest on record June 43 °C
Coldest on record January 3.4 °C

What to expectNepalgunj through the year

Nepalgunj has a clear annual cycle: average daily highs run from 20 °C in January to 37 °C in May, a swing of 17 °C in mean temperature across the year.

Counted across a normal year, 273 days a year reach 25 °C, 174 of them reach 30 °C. The warmest reading in the 1991–2020 record is 43 °C, in June.

Rain is strongly seasonal. July averages 365 mm against 4 mm in November — 87 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	20.2 °C	28 mm	35 %
February	23.8 °C	36 mm	28 %
March	29.6 °C	21 mm	24 %
April	35.3 °C	16 mm	25 %
May	36.8 °C	34 mm	21 %
June	34.8 °C	174 mm	46 %
July	30.9 °C	365 mm	84 %
August	30.6 °C	273 mm	82 %
September	30.3 °C	148 mm	51 %
October	29.4 °C	29 mm	15 %
November	26.0 °C	4 mm	14 %
December	21.8 °C	13 mm	24 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	20.2 °C	7.9 °C	13.8 °C	26.6 °C	3.4 °C	1	0
February	23.8 °C	10.3 °C	17.0 °C	33.5 °C	5.0 °C	9	0
March	29.6 °C	14.3 °C	22.1 °C	38.5 °C	7.4 °C	28	15
April	35.3 °C	19.3 °C	27.6 °C	41.4 °C	12.1 °C	30	29
May	36.8 °C	23.4 °C	30.3 °C	42.3 °C	16.9 °C	31	31
June	34.8 °C	25.6 °C	30.2 °C	43.3 °C	21.3 °C	30	27
July	30.9 °C	25.3 °C	27.8 °C	38.0 °C	23.5 °C	31	21
August	30.6 °C	25.0 °C	27.5 °C	34.8 °C	22.3 °C	31	21
September	30.3 °C	23.6 °C	26.7 °C	34.4 °C	17.2 °C	30	19
October	29.4 °C	18.8 °C	24.0 °C	33.7 °C	12.5 °C	31	11
November	26.0 °C	13.7 °C	19.7 °C	30.5 °C	7.2 °C	20	0
December	21.8 °C	9.6 °C	15.4 °C	27.7 °C	3.5 °C	1	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	28 mm	3	11 h/day	35 %	78 %	11 km/h
February	36 mm	3	11 h/day	28 %	71 %	12 km/h
March	21 mm	2	12 h/day	24 %	56 %	15 km/h
April	16 mm	3	13 h/day	25 %	42 %	17 km/h
May	34 mm	7	14 h/day	21 %	48 %	17 km/h
June	174 mm	14	14 h/day	46 %	66 %	15 km/h
July	365 mm	26	14 h/day	84 %	85 %	14 km/h
August	273 mm	25	13 h/day	82 %	87 %	13 km/h
September	148 mm	17	12 h/day	51 %	85 %	11 km/h
October	29 mm	3	12 h/day	15 %	75 %	9.3 km/h
November	4 mm	0	11 h/day	14 %	72 %	9.5 km/h
December	13 mm	1	10 h/day	24 %	76 %	9.6 km/h

How Nepalgunj compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Nepalgunj	37 °C	7.9 °C	1,142 mm	273
Bahraigh · India	38 °C	9.0 °C	1,140 mm	284
Birendranagar · Nepal	33 °C	6.9 °C	1,913 mm	232
Sītāpur · India	38 °C	8.7 °C	1,024 mm	284
Dhangaḍhi̇̄ · Nepal	36 °C	7.3 °C	1,535 mm	262
Lucknow · India	39 °C	8.9 °C	975 mm	292
Fyzābād · India	38 °C	9.4 °C	1,116 mm	291

Planning a trip? See the best time to visit Nepalgunj.

QuestionsCommon questions about Nepalgunj’s climate

When is the best time to visit Nepalgunj?

That depends on what you want, so the honest answer is a comparison rather than a single month. February, March, November sit closest to 20 °C on average, May is the warmest month and November the driest. The month-by-month table above has the full picture.

How hot does Nepalgunj get?

In May, the warmest month, daily highs average 37 °C. About 174 days a year pass 30 °C. The highest value in the 1991–2020 record is 43 °C.

How cold does it get in winter?

Nights average 7.9 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Nepalgunj?

July, averaging 365 mm over 26 days with rain. The driest month is November with 4 mm. The year as a whole averages 1,142 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Nepalgunj rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 28.050°, 81.617° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.