Kathmandu, Nepal Climate & Monthly Averages

Nepal 🇳🇵 · humid subtropical climate
Annual avg
64°
Hottest month
July
Coldest month
January
Rainy days / yr
194
Sunshine
9.5 h/day
Right now: 67° and light rain shower - see live conditions

The climate of Kathmandu

Kathmandu's year is organised around rain rather than temperature. 68% of its 119.4 inches (3032 mm) annual total arrives in the June to August window, while November averages 8 mm (0.3 in). Temperatures move far less: 79°F (26°C) at the year's warmest against 62°F (16°C) at its coolest.

Climate quick facts

  • Hottest month: July - highs near 79°F (26°C)
  • Coldest month: January - highs near 62°F (16°C)
  • Decade extremes (2015-2024): 89°F (32°C) high · 29°F (-1°C) low
  • Wettest month: July (31 rainy days) · Sunniest: April (11.1 h sun/day)
  • Climate type: humid subtropical
  • Annual swing: 12°C between the average warmest and coolest month · day to night: 9°C
  • Average humidity: 78%

Temperatures through the year

Warmth peaks in July: highs of 79°F (26°C), lows of 69°F (20°C). January sits at the other end of the year: 62°F (16°C) by day, 42°F (5°C) at night. Sunshine averages 9.5 hours a day over the year, peaking in April at 11.1 hours.

Rain, sun and snow

Rainfall is strongly seasonal: 68% of the annual total falls in the June to August window, leaving November at 8 mm (0.3 in). 2 months average under 20 mm of rain, the longest unbroken stretch running November through December. Across the gridded 2015-2024 daily record, the highest daily maximum for this location was 89°F (32°C) and the lowest daily minimum 29°F (-1°C).

How Kathmandu compares

  • 68% of the year's precipitation falls in its wettest three months - more seasonal than 96% of the 3496 cities we track.
  • Rain or snow reaches the ground on 194 days a year - more wet days than 90% of the 3496 cities we track.

Ranked against every city in our dataset, each measured on the same ten-year window.

Monthly climate table

Monthly averages for Kathmandu based on 2015–2024 weather data. Daylight is sunrise to sunset on the 15th; wet-day chance is the share of days with measurable rain.
MonthHighLow Rain daysPrecipitation SunshineDaylightWet-day chanceHumidity
January 62° 42° 5 1.1 in 9.4 h/day 10.6 h 16% 71%
February 66° 45° 6 1.2 in 10.2 h/day 11.2 h 22% 71%
March 71° 51° 11 2.5 in 10.3 h/day 11.9 h 36% 66%
April 77° 57° 13 3.4 in 11.1 h/day 12.8 h 44% 64%
May 78° 61° 24 9.0 in 10.8 h/day 13.5 h 76% 78%
June 80° 67° 27 17.9 in 9.6 h/day 13.9 h 89% 86%
July 79° 69° 31 34.4 in 7.1 h/day 13.7 h 100% 91%
August 80° 68° 31 28.4 in 7.8 h/day 13.1 h 100% 90%
September 78° 66° 28 17.7 in 8.6 h/day 12.3 h 94% 90%
October 74° 59° 14 3.2 in 9.9 h/day 11.4 h 44% 82%
November 70° 51° 3 0.3 in 9.8 h/day 10.7 h 9% 76%
December 64° 44° 2 0.3 in 9.4 h/day 10.4 h 7% 72%

Kathmandu month by month

Average high and low for each month, with the bar showing where it sits in Kathmandu's year (left is the coldest night, right is the warmest afternoon).

January

Coldest
62°42°
Rain
5 days
Sunshine
9.4 h
Daylight
10.6 h

February

66°45°
Rain
6 days
Sunshine
10.2 h
Daylight
11.2 h

March

71°51°
Rain
11 days
Sunshine
10.3 h
Daylight
11.9 h

April

Sunniest
77°57°
Rain
13 days
Sunshine
11.1 h
Daylight
12.8 h

May

78°61°
Rain
24 days
Sunshine
10.8 h
Daylight
13.5 h

June

80°67°
Rain
27 days
Sunshine
9.6 h
Daylight
13.9 h

July

HottestWettest
79°69°
Rain
31 days
Sunshine
7.1 h
Daylight
13.7 h

August

80°68°
Rain
31 days
Sunshine
7.8 h
Daylight
13.1 h

September

78°66°
Rain
28 days
Sunshine
8.6 h
Daylight
12.3 h

October

74°59°
Rain
14 days
Sunshine
9.9 h
Daylight
11.4 h

November

Driest
70°51°
Rain
3 days
Sunshine
9.8 h
Daylight
10.7 h

December

64°44°
Rain
2 days
Sunshine
9.4 h
Daylight
10.4 h

Warmer places to go, by month: January · February · March · April · May · June · July · August · September · October · November · December

Seasons in Kathmandu

Spring (March through May)

Spring in Kathmandu brings comfortable warmth, with daytime highs averaging 75°F (24°C) and nights around 57°F (14°C); rain falls on around 48 of the 90 days. Daylight is generous - around 10.7 hours of sun a day.

Summer (June through August)

Summer brings comfortable warmth here - highs near 80°F (26°C), nights near 68°F (20°C), and rain falls on around 89 of the 90 days.

Fall (September through November)

Through fall, Kathmandu is mild and warm: 74°F (23°C) by day, 59°F (15°C) after dark, and rain falls on around 45 of the 90 days.

Winter (December through February)

Winter is crisp but comfortable here - highs near 64°F (18°C), nights near 44°F (6°C), and rain comes on about 13 days over the three months.

Climate questions, answered

When is the rainy season in Kathmandu?
68% of the annual rainfall lands in the wettest three months, peaking in July. The dry end of the year sits around November, which averages 8 mm (0.3 in).
What should I pack for Kathmandu?
It depends on the month: July runs to 79°F (26°C) while January holds at 62°F (16°C). The full month-by-month breakdown is in the packing notes above.
Is Kathmandu hot in summer?
July averages 79°F (26°C). Summers here stay temperate rather than hot.
Is Kathmandu a wet city?
119.4 inches (3032 mm) a year across 194 wet days - more than 98% of the cities we cover.
How cold does Kathmandu get in winter?
January nights average 42°F (5°C). Chilly rather than harsh - hard freezes are uncommon.
Is Kathmandu humid?
Relative humidity averages 78% across the year, which reads as very humid. The most comfortable stretch falls in the drier half of the year.

Best time to visit Kathmandu

November to February is the sweet spot for Kathmandu - the rains have stopped and the heat has not yet peaked. Expect 65°F (18°C) in the afternoon and around 4 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in November.

Pack for Kathmandu with proper waterproofs rather than an umbrella - wet days are the norm here. Note the gap between afternoon and night: July pairs 79°F (26°C) with 69°F (20°C).

Kathmandu temperature records (2015-2024)

Highest recorded
89°
in May
Lowest recorded
29°
in January
Annual precipitation
119.4"
Snowy days / yr
0

Derived from ERA5 reanalysis data, 2015–2024. Official station records may differ. Need the precipitation in other units? The mm-to-inches rainfall converter handles it.