Average annual temperature is 25.8 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: 9.7 °C
Number of sunny days: 158 days
Number of rainy days: 207 days
Look at detailed online map of Ratnapur
* Weather data for Ratnapur Bangladesh is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.4 | 32.3 | 34.3 | 39.6 | 39.6 | 37.5 | 33.8 | 34.4 | 33.5 | 32.6 | 32.5 | 28.5 |
| Average daytime temperature (°C) | 25.6 | 29.3 | 31.3 | 34.9 | 34.5 | 33.5 | 32.0 | 31.6 | 31.4 | 30.9 | 28.9 | 25.5 |
| Average temperature (°C) | 18.8 | 22.6 | 25.3 | 28.5 | 29.2 | 29.5 | 28.8 | 28.3 | 28.2 | 26.7 | 23.5 | 19.8 |
| Average night temperature (°C) | 13.3 | 16.8 | 20.1 | 23.3 | 25.1 | 26.8 | 26.3 | 25.9 | 25.7 | 22.9 | 18.3 | 15.0 |
| Absolute minimum temperature (°C) | 9.7 | 12.7 | 17.6 | 19.6 | 22.1 | 24.2 | 24.6 | 25.0 | 24.4 | 18.8 | 15.3 | 12.0 |
| 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) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.1 | 10.8 |
| 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) | 9.8 | 9.5 | 8.9 | 10.6 | 9.7 | 8.3 | 10.3 | 7.8 | 8.2 | 9.2 | 9.2 | 8.7 |
| Precipitation (mm) | 5 | 3 | 73 | 91 | 146 | 273 | 215 | 398 | 312 | 123 | 261 | 23 |
| Sunny days | 29 | 22 | 14 | 13 | 9 | 2 | 0 | 1 | 1 | 14 | 25 | 28 |
| Rainy days | 2 | 6 | 17 | 17 | 22 | 28 | 31 | 30 | 29 | 17 | 5 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ratnapur is at