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Monthly climate in Kathmandu, Nepal

Last updated: July 31, 2025

Under the Köppen–Geiger climate classification Kathmandu features a humid subtropical climate (Cwa). Temperatures typically range between 9 °C (49 °F) and 22 °C (73 °F) through the year, but rarely can drop to 0 °C (32 °F) or can rise to as high as 30 °C (86 °F). The average annual precipitation amounts to about 3468 mm (136.5 inches) and receives 215 rainy days on the 1 mm (0.04 inches) threshold annually. Kathmandu enjoys an average of 3494 hours of sunshine throughout the year, and daylight varies from 10 hours 24 minutes to 13 hours 51 minutes per day.

Monthly average temperatures in Kathmandu, Nepal

The warmest months in Kathmandu are June, July and August, with daily mean temperatures ranging from 22 to 22 °C (72 - 73 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 9 to 12 °C (49 - 53 °F) throughout the day. On average each year, Kathmandu experiences 97 days above 25 °C (77.0 °F) and 0 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Kathmandu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to June 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Maximum22°C
(72°F)		23°C
(73°F)		27°C
(81°F)		29°C
(84°F)		29°C
(84°F)		29°C
(85°F)		29°C
(85°F)		30°C
(86°F)		29°C
(84°F)		29°C
(84°F)		27°C
(81°F)		22°C
(71°F)
Mean maximum19°C
(67°F)		21°C
(70°F)		26°C
(78°F)		27°C
(81°F)		28°C
(82°F)		28°C
(82°F)		28°C
(83°F)		28°C
(83°F)		28°C
(83°F)		27°C
(81°F)		24°C
(76°F)		20°C
(68°F)
Average high15°C
(59°F)		17°C
(64°F)		21°C
(71°F)		24°C
(75°F)		24°C
(76°F)		26°C
(79°F)		25°C
(78°F)		26°C
(79°F)		25°C
(78°F)		24°C
(75°F)		21°C
(69°F)		17°C
(63°F)
Daily mean9°C
(49°F)		12°C
(53°F)		16°C
(61°F)		19°C
(66°F)		20°C
(68°F)		22°C
(72°F)		22°C
(72°F)		22°C
(73°F)		22°C
(71°F)		19°C
(67°F)		15°C
(58°F)		11°C
(52°F)
Average low5°C
(41°F)		7°C
(45°F)		10°C
(51°F)		13°C
(57°F)		16°C
(61°F)		19°C
(67°F)		20°C
(68°F)		20°C
(69°F)		19°C
(67°F)		15°C
(60°F)		10°C
(51°F)		7°C
(44°F)
Mean minimum2°C
(36°F)		4°C
(39°F)		6°C
(43°F)		10°C
(50°F)		13°C
(55°F)		17°C
(62°F)		19°C
(66°F)		19°C
(67°F)		17°C
(64°F)		11°C
(51°F)		7°C
(45°F)		3°C
(38°F)
Minimum-0°C
(32°F)		2°C
(35°F)		2°C
(36°F)		8°C
(46°F)		12°C
(53°F)		15°C
(59°F)		18°C
(65°F)		19°C
(66°F)		17°C
(62°F)		9°C
(48°F)		6°C
(42°F)		2°C
(35°F)

Compare climate in Kathmandu with other places

Compare temperature, precipitation, sunshine, UV index in Kathmandu, Nepal with other places around the world.

Monthly average precipitation in Kathmandu, Nepal

Kathmandu usually has the most precipitation in June, July and August, with an average of 30 rainy days and 781 mm (30.8 inches) of precipitation per month. The driest months in Kathmandu are January, November and December. On average, 33 mm (1.3 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Kathmandu. Generated using Copernicus Climate Change Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Average precipitation mm (inches)51 (2.0)56 (2.2)67 (2.6)114 (4.5)265 (10.4)523 (20.6)1037 (40.8)784 (30.9)408 (16.1)116 (4.5)19 (0.8)29 (1.1)
Average precipitation days (≥ 1 mm)69121725293130291665

Monthly sunshine hours in Kathmandu, Nepal

The sunniest months in Kathmandu are March, April and May, when the sun shines an average of 11 hours 8 minutes a day. Least sunny months in Kathmandu: January, July and August receive an average of 7 hours 40 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Kathmandu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2017 to January 2022.
 JanFebMarAprMayJunJulAugSepOctNovDec
Mean monthly sunshine hours240280336339349314227245266315289289
Mean daily daylight hours10h 35m11h 12m12h 0m12h 49m13h 30m13h 51m13h 40m13h 4m12h 17m11h 28m10h 46m10h 24m

Solar UV radiation in Kathmandu, Nepal

Kathmandu experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 13 - 14, which corresponds to the Extreme category of sun exposure. January, February and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 7. For more detailed information, check out our hourly Kathmandu UV Index data.

Average daily maximum UV levels by month for Kathmandu. Generated using Copernicus Atmosphere Monitoring Service information. Data for period from January 2022 to January 2023.
 JanFebMarAprMayJunJulAugSepOctNovDec
UV Index (month maximum)5791111131413121075