Average annual temperature is 25.3 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: 5.1 °C
Number of sunny days: 222 days
Number of rainy days: 143 days
Look at detailed online map of Siswan
* Weather data for Siswan India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.7 | 30.7 | 34.5 | 42.5 | 39.1 | 42.7 | 36.0 | 34.6 | 35.3 | 33.1 | 31.1 | 29.1 |
| Average daytime temperature (°C) | 20.9 | 26.3 | 30.6 | 36.7 | 35.6 | 39.0 | 33.9 | 32.6 | 32.3 | 30.9 | 28.4 | 24.3 |
| Average temperature (°C) | 14.3 | 19.4 | 24.0 | 29.5 | 29.6 | 33.5 | 30.2 | 29.2 | 28.6 | 25.7 | 22.1 | 17.5 |
| Average night temperature (°C) | 9.2 | 13.0 | 17.6 | 22.2 | 23.8 | 28.0 | 27.0 | 26.2 | 25.8 | 20.9 | 16.5 | 12.0 |
| Absolute minimum temperature (°C) | 5.1 | 9.3 | 14.6 | 17.5 | 21.1 | 24.7 | 25.2 | 24.7 | 23.9 | 17.3 | 13.0 | 7.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.7 | 13.6 | 13.0 | 12.3 | 11.5 | 10.9 | 10.5 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.4 | 10.2 | 9.8 | 10.2 | 10.8 | 10.6 | 8.9 | 8.1 | 8.4 | 9.3 | 9.2 | 8.2 |
| Precipitation (mm) | 1 | 0 | 30 | 24 | 27 | 97 | 239 | 289 | 213 | 82 | 0 | 7 |
| Sunny days | 28 | 28 | 20 | 25 | 22 | 18 | 4 | 1 | 0 | 20 | 28 | 28 |
| Rainy days | 3 | 0 | 11 | 5 | 9 | 12 | 27 | 30 | 30 | 11 | 2 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siswan is at