Kathmandu climate

Name: Kathmandu
Address: NP

Kathmandu is warmest in June, with average highs of 26 °C, and coldest in January, when nights average 6.6 °C. July is the wettest month (786 mm) and December the driest (19 mm). Figures are 1991–2020 climate normals.

Across a full year Kathmandu averages 2,813 mm of rain and 120 days above 25 °C.

Nepal · 1,317 m elevation · population 1,442,271 · 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 June 26 °C
Coldest month January 6.6 °C
Driest month December 19 mm
Wettest month July 786 mm
Least cloud March 37 % cloud
Hottest on record April 32 °C
Coldest on record December 0.5 °C

What to expectKathmandu through the year

Kathmandu has a clear annual cycle: average daily highs run from 16 °C in January to 26 °C in June, a swing of 12 °C in mean temperature across the year.

Counted across a normal year, 120 days a year reach 25 °C, 2 of them reach 30 °C. The warmest reading in the 1991–2020 record is 32 °C, in April.

Rain is strongly seasonal. July averages 786 mm against 19 mm in December — 42 times as much. Planning around the dry months matters more here than planning around temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	16.0 °C	40 mm	44 %
February	17.9 °C	47 mm	43 %
March	21.7 °C	54 mm	37 %
April	25.0 °C	78 mm	39 %
May	25.7 °C	203 mm	49 %
June	26.0 °C	469 mm	75 %
July	25.4 °C	786 mm	95 %
August	25.5 °C	661 mm	94 %
September	24.9 °C	349 mm	78 %
October	22.9 °C	87 mm	46 %
November	19.9 °C	21 mm	39 %
December	17.3 °C	19 mm	41 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	16.0 °C	6.6 °C	11.0 °C	22.4 °C	0.9 °C	0	0
February	17.9 °C	7.9 °C	12.9 °C	25.6 °C	1.0 °C	0	0
March	21.7 °C	10.9 °C	16.5 °C	28.9 °C	2.4 °C	3	0
April	25.0 °C	13.9 °C	19.7 °C	31.8 °C	8.2 °C	14	1
May	25.7 °C	16.7 °C	21.2 °C	30.9 °C	10.8 °C	19	1
June	26.0 °C	19.5 °C	22.5 °C	30.9 °C	14.0 °C	24	0
July	25.4 °C	20.4 °C	22.5 °C	29.4 °C	18.4 °C	20	0
August	25.5 °C	20.2 °C	22.4 °C	30.5 °C	18.2 °C	22	0
September	24.9 °C	18.9 °C	21.5 °C	29.0 °C	13.6 °C	15	0
October	22.9 °C	15.3 °C	18.8 °C	27.4 °C	8.9 °C	3	0
November	19.9 °C	11.6 °C	15.5 °C	24.8 °C	4.8 °C	0	0
December	17.3 °C	8.5 °C	12.5 °C	21.5 °C	0.5 °C	0	0

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind
January	40 mm	6	11 h/day	44 %	76 %	7.1 km/h
February	47 mm	7	11 h/day	43 %	72 %	7.8 km/h
March	54 mm	9	12 h/day	37 %	62 %	8.5 km/h
April	78 mm	13	13 h/day	39 %	60 %	8.5 km/h
May	203 mm	22	14 h/day	49 %	75 %	7.6 km/h
June	469 mm	27	14 h/day	75 %	87 %	6.6 km/h
July	786 mm	31	14 h/day	95 %	92 %	5.9 km/h
August	661 mm	31	13 h/day	94 %	92 %	5.7 km/h
September	349 mm	28	12 h/day	78 %	89 %	6.0 km/h
October	87 mm	14	12 h/day	46 %	81 %	6.3 km/h
November	21 mm	5	11 h/day	39 %	76 %	6.5 km/h
December	19 mm	3	10 h/day	41 %	76 %	6.6 km/h

How Kathmandu 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
Kathmandu	26 °C	6.6 °C	2,813 mm	120
Hetauda · Nepal	32 °C	8.8 °C	2,016 mm	254
Bharatpur · Nepal	33 °C	9.6 °C	2,247 mm	271
Birgañj · Nepal	36 °C	9.8 °C	1,478 mm	294
Janakpur · Nepal	35 °C	10 °C	1,372 mm	295
Pokhara · Nepal	26 °C	3.9 °C	4,536 mm	104
Muzaffarpur · India	37 °C	10 °C	1,243 mm	301

Where Kathmandu ranks

Ranking	Position	Value
Places with the best weather in Asia in March	42nd of 50	92/100
Places with the best weather in Asia year-round	46th of 50	76/100

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

QuestionsCommon questions about Kathmandu’s climate

When is the best time to visit Kathmandu?

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

How hot does Kathmandu get?

In June, the warmest month, daily highs average 26 °C. About 2 days a year pass 30 °C. The highest value in the 1991–2020 record is 32 °C.

How cold does it get in winter?

Nights average 6.6 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Kathmandu?

July, averaging 786 mm over 31 days with rain. The driest month is December with 19 mm. The year as a whole averages 2,813 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 Kathmandu 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: 27.702°, 85.321° , 1317 m above sea level (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.