Average annual temperature is 27.5 °C
Absolute maximum temperature: 44.3 °C
Absolute minimum temperature: 11.8 °C
Number of sunny days: 193 days
Number of rainy days: 172 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) | 32.9 | 36.6 | 37.9 | 43.1 | 43.4 | 44.3 | 35.2 | 33.8 | 33.1 | 33.4 | 33.0 | 31.1 |
| Average daytime temperature (°C) | 30.3 | 33.1 | 35.1 | 38.1 | 39.3 | 37.9 | 32.1 | 31.5 | 30.8 | 31.6 | 31.0 | 27.1 |
| Average temperature (°C) | 23.5 | 25.6 | 28.2 | 31.2 | 32.2 | 32.2 | 28.3 | 28.0 | 27.2 | 27.0 | 25.3 | 21.4 |
| Average night temperature (°C) | 17.1 | 18.0 | 22.0 | 25.0 | 26.1 | 27.6 | 25.7 | 25.4 | 24.8 | 22.5 | 20.1 | 16.4 |
| Absolute minimum temperature (°C) | 11.8 | 15.1 | 18.9 | 22.2 | 21.7 | 24.6 | 24.3 | 24.4 | 24.0 | 19.1 | 18.6 | 13.9 |
| 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 | 13.3 | 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) | 10.0 | 10.7 | 10.1 | 10.2 | 10.9 | 9.3 | 8.2 | 8.3 | 7.0 | 9.8 | 9.9 | 8.7 |
| Precipitation (mm) | 0 | 0 | 53 | 19 | 27 | 255 | 282 | 291 | 387 | 81 | 13 | 26 |
| Sunny days | 30 | 28 | 20 | 21 | 16 | 9 | 0 | 2 | 0 | 19 | 22 | 26 |
| Rainy days | 1 | 0 | 11 | 9 | 15 | 21 | 31 | 29 | 30 | 12 | 8 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ratnapur is at