Average annual temperature is 27.1 °C
Absolute maximum temperature: 44.1 °C
Absolute minimum temperature: 10.2 °C
Number of sunny days: 230 days
Number of rainy days: 135 days
Look at detailed online map of Ratnapur
* Weather data for Ratnapur 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) | 31.9 | 36.2 | 38.9 | 41.8 | 44.1 | 43.4 | 36.2 | 33.9 | 34.3 | 35.2 | 33.1 | 30.2 |
| Average daytime temperature (°C) | 29.1 | 33.4 | 34.5 | 37.5 | 39.7 | 39.2 | 31.6 | 31.0 | 31.1 | 33.1 | 30.8 | 27.4 |
| Average temperature (°C) | 22.1 | 24.6 | 27.4 | 30.4 | 33.1 | 33.7 | 27.7 | 27.4 | 27.1 | 26.5 | 24.2 | 21.3 |
| Average night temperature (°C) | 15.6 | 15.9 | 20.4 | 23.7 | 26.5 | 28.9 | 25.1 | 24.6 | 24.4 | 20.7 | 18.2 | 15.6 |
| Absolute minimum temperature (°C) | 10.2 | 12.1 | 16.8 | 20.2 | 20.6 | 24.8 | 24.2 | 23.0 | 23.2 | 16.7 | 16.7 | 12.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 11.0 | 11.5 | 12.0 | 12.6 | 13.1 | 13.4 | 13.2 | 12.8 | 12.3 | 11.7 | 11.2 | 10.9 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 12.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.9 | 10.2 | 10.6 | 10.4 | 11.3 | 9.7 | 6.2 | 9.4 | 7.6 | 10.8 | 9.9 | 9.3 |
| Precipitation (mm) | 1 | 0 | 27 | 77 | 32 | 66 | 520 | 103 | 249 | 0 | 82 | 1 |
| Sunny days | 29 | 27 | 24 | 16 | 25 | 17 | 0 | 9 | 2 | 27 | 27 | 27 |
| Rainy days | 2 | 1 | 7 | 14 | 6 | 13 | 31 | 22 | 28 | 4 | 3 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ratnapur is at