Kathmandu
Nepal
| Season | Autumn | Winter | Spring | Summer | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Year |
| Record high, °C | 32 | 32 | 30 | 23 | 25 | 26 | 30 | 33 | 35 | 37 | 31 | 32 | 37 |
| Average high, °C | 25 | 23 | 20 | 16 | 15 | 17 | 21 | 25 | 26 | 26 | 26 | 26 | 22 |
| Average temperature, °C | 21 | 17 | 13 | 9 | 8 | 9 | 13 | 17 | 20 | 22 | 22 | 21 | 16 |
| Average low, °C | 19 | 15 | 9 | 5 | 4 | 6 | 10 | 13 | 17 | 20 | 21 | 21 | 13 |
| Record low, °C | 13 | 7 | 2 | -1 | -2 | -1 | 2 | 5 | 8 | 12 | 15 | 16 | -2 |
| Fog, days | 6 | 15 | 19 | 21 | 21 | 16 | 12 | 7 | 4 | 1 | 1 | 1 | 124 |
| Thunderstorms, days | 2 | 1 | 0 | 0 | 0 | 0 | 2 | 4 | 5 | 4 | 2 | 3 | 23 |
| Average precipitation, mm. | 272 | 74 | 10 | 17 | 14 | 23 | 37 | 68 | 139 | 289 | 480 | 398 | 1822 |
| Relative humidity, % | 83 | 80 | 77 | 74 | 74 | 74 | 60 | 60 | 66 | 75 | 83 | 85 | 74 |
| Relative humidity morning, % | 97 | 97 | 97 | 98 | 97 | 96 | 94 | 90 | 92 | 93 | 96 | 95 | 95 |
| Relative humidity evening, % | 78 | 73 | 71 | 68 | 65 | 58 | 50 | 48 | 59 | 70 | 80 | 79 | 67 |
| Wind speed, km/h | 4 | 3 | 3 | 3 | 3 | 5 | 7 | 6 | 6 | 5 | 5 | 5 | 5 |
| Day Length, часов | 13 | 12 | 11 | 11 | 11 | 12 | 12 | 12 | 14 | 14 | 14 | 14 | 13 |
| Dew point, °C | 18 | 14 | 9 | 5 | 3 | 5 | 6 | 9 | 13 | 17 | 19 | 19 | 136 |
| Growing degree-day, °C | 321 | 223 | 84 | 0 | 0 | 0 | 102 | 213 | 310 | 345 | 363 | 353 | 2315 |
| Solar radiation, global, Mj/m2 | 19 | 19 | 17 | 15 | 15 | 17 | 20 | 23 | 24 | 23 | 21 | 19 | 19 |