Kathmandu weather by month: temperature, rain and wet days

Kathmandu weather at a glance

  • The warmest month is June, with an average high of 29.5°C (85°F).
  • The coldest month is January, with an average low of 2.8°C (37°F).
  • The wettest month is July, with 384.1 mm (15.1 in) of precipitation on average.
  • The driest month is November, with 6.4 mm (0.3 in).
  • July has the most days with at least 1.0 mm of precipitation: 23.1 on average.

Month by month

MonthAverage highAverage lowPrecipitationWet days (≥ 1.0 mm)HumiditySunshine (hours)Daylight (hours)
January19.2°C (67°F)2.8°C (37°F)15.2 mm (0.6 in)1.979%21010.6
February22.1°C (72°F)5.3°C (42°F)23.6 mm (0.9 in)2.671%20911.2
March26°C (79°F)8.8°C (48°F)38 mm (1.5 in)3.961%23611.9
April28.6°C (83°F)12.3°C (54°F)62.9 mm (2.5 in)6.653%23012.8
May29.2°C (85°F)16.1°C (61°F)128.8 mm (5.1 in)11.957%24413.5
June29.5°C (85°F)19.3°C (67°F)241.4 mm (9.5 in)16.973%17513.9
July28.7°C (84°F)20.3°C (69°F)384.1 mm (15.1 in)23.181%13013.7
August29°C (84°F)20.2°C (68°F)342.7 mm (13.5 in)22.783%16013.1
September28.6°C (83°F)18.8°C (66°F)207.8 mm (8.2 in)14.682%15612.3
October27.2°C (81°F)13.9°C (57°F)43.3 mm (1.7 in)3.879%23311.4
November23.6°C (74°F)8.4°C (47°F)6.4 mm (0.3 in)0.585%22810.7
December20.2°C (68°F)4.2°C (40°F)7.8 mm (0.3 in)0.780%21110.4

Each month links to the full guide for that month. For the best time to go, see when to visit Kathmandu.

Sources

  • Temperature, precipitation, days with at least 1.0 mm of precipitation, humidity, sunshine: the climate table in the Wikipedia article Kathmandu (table revision 1380517392), measured at Kathmandu (Tribhuvan International Airport), elevation 1337 m (1991–2020 normals, extremes 1968–present). Values are shown as the table gives them; conversions in brackets are ours. The table cites World Meteorological Organization as its source.
  • Daylight: hours from sunrise to sunset on the 15th of each month, computed from latitude 27.72 with the NOAA solar declination approximation.
  • Checked against the source on 2026-10-20.