Average annual temperature is 24.8 °C
Absolute maximum temperature: 42.5 °C
Absolute minimum temperature: 5.6 °C
Number of sunny days: 213 days
Number of rainy days: 152 days
Look at detailed online map of Sītāmarhi
* Weather data for Sītāmarhi 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) | 25.6 | 30.1 | 33.0 | 40.7 | 40.1 | 42.5 | 35.6 | 35.3 | 34.7 | 32.4 | 30.5 | 27.6 |
| Average daytime temperature (°C) | 20.7 | 26.3 | 30.3 | 35.8 | 35.7 | 37.9 | 33.1 | 32.3 | 32.6 | 30.7 | 27.9 | 24.1 |
| Average temperature (°C) | 13.9 | 19.2 | 23.4 | 27.7 | 29.5 | 31.9 | 29.4 | 28.7 | 28.7 | 25.5 | 21.8 | 17.3 |
| Average night temperature (°C) | 8.7 | 12.6 | 17.0 | 19.7 | 23.6 | 26.4 | 26.2 | 25.8 | 25.6 | 20.9 | 16.3 | 11.7 |
| Absolute minimum temperature (°C) | 5.6 | 9.4 | 15.2 | 16.3 | 21.0 | 24.6 | 24.9 | 24.3 | 23.6 | 17.3 | 14.4 | 9.0 |
| 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 | 13.5 | 13.8 | 13.6 | 13.1 | 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) | 7.5 | 9.6 | 10.1 | 10.5 | 10.8 | 10.9 | 8.8 | 7.7 | 9.3 | 9.7 | 9.4 | 8.7 |
| Precipitation (mm) | 0 | 0 | 41 | 15 | 72 | 186 | 316 | 370 | 240 | 70 | 0 | 3 |
| Sunny days | 31 | 28 | 24 | 26 | 17 | 12 | 1 | 0 | 2 | 15 | 29 | 28 |
| Rainy days | 0 | 0 | 7 | 4 | 14 | 18 | 30 | 31 | 28 | 16 | 1 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sītāmarhi is at