Climate guideThirty-year normals for Kathmandu
Kathmandu climate by month
Monsoon-influenced humid subtropical · CwaBest Feb · Nov–Dec
Annual mean18°day and night
Seasonal swing12°warmest vs coolest
Precipitation1,631 mm127 wet days a year
27.70° N, 85.32° EElevation 1,317 mUTC+5:45 · Nepal Time
When to goKathmandu · weather score
Best timeFeb · Nov–Dec
October: high / low23° / 15°
iSummary
What the weather is like
Kathmandu has a monsoon-influenced humid subtropical climate (Köppen Cwa): a dry winter and a wetter summer.
The warmest month is June, when afternoons average 26° and nights 19°. January is the coolest month, with highs of 16° and lows of 6°. The difference between the warmest and the coolest month is about 12°.
About 1,631 mm of precipitation falls in an average year. July is the wettest month (436 mm, 26 wet days) and November the driest (8 mm, 0 wet days). Cloud cover ranges from 18% in March to 69% in July.
Year in figures
- Hottest afternoons
- 26° · June
- Coldest nights
- 6° · January
- Wettest month
- July
- Driest month
- November
- Clearest skies
- March · 18% cloud
- Longest day
- 13 h 53 min
- Shortest day
- 10 h 24 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 16° | 18° | 22° | 25° | 26° | 26° | 25° | 25° | 25° | 23° | 20° | 17° |
| Average low | 6° | 7° | 10° | 13° | 16° | 19° | 20° | 20° | 19° | 15° | 11° | 8° |
| Precipitation | 19 mm | 23 mm | 31 mm | 51 mm | 119 mm | 227 mm | 436 mm | 395 mm | 256 mm | 55 mm | 8 mm | 11 mm |
| Wet days (≥1 mm) | 1.6 | 2.2 | 4 | 6.8 | 13.6 | 19.9 | 26.1 | 25.8 | 19.1 | 6.6 | 0.4 | 0.7 |
| Cloud cover | 23% | 20% | 18% | 19% | 22% | 43% | 69% | 66% | 44% | 20% | 18% | 22% |
| Daylight | 10h 34 | 11h 13 | 11h 58 | 12h 49 | 13h 30 | 13h 53 | 13h 44 | 13h 09 | 12h 21 | 11h 32 | 10h 48 | 10h 24 |
| Month score | 85 | 93 | 91 | 83 | 65 | 57 | 49 | 50 | 61 | 84 | 99 | 93 |
ivMonth by month
Kathmandu in every month
January85
16° / 6°
19 mm · 1.6 wet days
February93
18° / 7°
23 mm · 2.2 wet days
March91
22° / 10°
31 mm · 4 wet days
April83
25° / 13°
51 mm · 6.8 wet days
May65
26° / 16°
119 mm · 13.6 wet days
June57
26° / 19°
227 mm · 19.9 wet days
July49
25° / 20°
436 mm · 26.1 wet days
August50
25° / 20°
395 mm · 25.8 wet days
September61
25° / 19°
256 mm · 19.1 wet days
October84
23° / 15°
55 mm · 6.6 wet days
November99
20° / 11°
8 mm · 0.4 wet days
December93
17° / 8°
11 mm · 0.7 wet day