Average annual temperature is 25.8 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 9.6 °C
Number of sunny days: 156 days
Number of rainy days: 209 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) | 29.3 | 32.8 | 34.6 | 40.5 | 40.0 | 37.6 | 34.2 | 34.4 | 33.7 | 32.6 | 32.5 | 28.5 |
| Average daytime temperature (°C) | 25.7 | 29.5 | 31.6 | 35.1 | 34.6 | 33.6 | 32.1 | 31.6 | 31.5 | 30.9 | 28.9 | 25.4 |
| Average temperature (°C) | 18.8 | 22.6 | 25.3 | 28.5 | 29.2 | 29.6 | 28.8 | 28.3 | 28.2 | 26.7 | 23.5 | 19.7 |
| Average night temperature (°C) | 13.2 | 16.5 | 20.0 | 23.2 | 24.9 | 26.8 | 26.3 | 25.9 | 25.7 | 22.9 | 18.2 | 14.9 |
| Absolute minimum temperature (°C) | 9.6 | 12.5 | 17.9 | 19.6 | 21.9 | 24.2 | 24.6 | 25.2 | 24.2 | 18.8 | 15.3 | 11.9 |
| 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) | 10.9 | 11.4 | 12.0 | 12.7 | 13.2 | 13.5 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 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 | 9.0 | 10.6 | 9.7 | 8.3 | 10.4 | 7.8 | 8.2 | 9.1 | 9.2 | 8.6 |
| Precipitation (mm) | 4 | 5 | 74 | 87 | 143 | 272 | 219 | 430 | 300 | 113 | 231 | 20 |
| Sunny days | 30 | 21 | 14 | 14 | 8 | 1 | 0 | 1 | 0 | 13 | 26 | 28 |
| Rainy days | 1 | 7 | 17 | 16 | 23 | 29 | 31 | 30 | 30 | 18 | 4 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ratnapur is at