Average annual temperature is 25.6 °C
Absolute maximum temperature: 40.6 °C
Absolute minimum temperature: 9.1 °C
Number of sunny days: 169 days
Number of rainy days: 196 days
Look at detailed online map of Bāsan
* Weather data for Bāsan 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) | 28.1 | 31.4 | 34.1 | 40.6 | 40.4 | 39.0 | 35.0 | 35.5 | 35.5 | 32.7 | 33.4 | 29.2 |
| Average daytime temperature (°C) | 25.1 | 28.2 | 30.9 | 35.3 | 34.5 | 33.9 | 33.0 | 32.2 | 32.4 | 31.3 | 29.5 | 25.5 |
| Average temperature (°C) | 18.0 | 21.6 | 24.4 | 28.4 | 28.9 | 29.7 | 29.3 | 28.5 | 28.6 | 26.7 | 23.7 | 19.8 |
| Average night temperature (°C) | 12.1 | 15.4 | 19.0 | 22.6 | 24.5 | 26.6 | 26.5 | 25.8 | 25.8 | 22.6 | 18.1 | 14.9 |
| Absolute minimum temperature (°C) | 9.1 | 11.9 | 16.4 | 19.9 | 22.2 | 24.6 | 25.2 | 24.8 | 24.3 | 18.9 | 15.0 | 11.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 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) | 10.8 | 11.4 | 12.0 | 12.7 | 13.3 | 13.6 | 13.4 | 12.9 | 12.3 | 11.6 | 11.0 | 10.7 |
| Daylight minimum duration (h) | 10.0 | 11.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 9.7 | 9.6 | 9.1 | 10.4 | 10.2 | 7.6 | 9.3 | 8.1 | 8.5 | 8.9 | 9.2 | 8.4 |
| Precipitation (mm) | 0 | 1 | 110 | 76 | 156 | 372 | 173 | 384 | 229 | 199 | 53 | 74 |
| Sunny days | 30 | 22 | 14 | 15 | 12 | 3 | 1 | 1 | 1 | 15 | 28 | 27 |
| Rainy days | 1 | 6 | 17 | 15 | 19 | 27 | 30 | 30 | 29 | 16 | 2 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bāsan is at