Average annual temperature is 24.9 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 8.8 °C
Number of sunny days: 160 days
Number of rainy days: 205 days
Look at detailed online map of Sylhet Division
* Weather data for Sylhet Division 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) | 27.8 | 29.9 | 32.8 | 35.8 | 36.7 | 35.7 | 35.7 | 36.7 | 36.4 | 33.1 | 33.1 | 28.7 |
| Average daytime temperature (°C) | 24.8 | 27.2 | 29.4 | 32.0 | 32.6 | 32.2 | 32.9 | 32.0 | 32.8 | 30.8 | 29.5 | 25.8 |
| Average temperature (°C) | 17.9 | 20.5 | 22.8 | 25.9 | 27.3 | 27.9 | 28.8 | 28.2 | 28.8 | 26.3 | 23.9 | 20.4 |
| Average night temperature (°C) | 12.2 | 14.8 | 17.7 | 21.0 | 23.0 | 24.8 | 25.7 | 25.4 | 25.6 | 22.4 | 18.4 | 15.3 |
| Absolute minimum temperature (°C) | 8.8 | 11.0 | 15.7 | 18.5 | 21.3 | 23.1 | 24.8 | 23.8 | 24.2 | 19.6 | 15.5 | 11.8 |
| 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 | 11.3 | 12.0 | 12.7 | 13.3 | 13.6 | 13.5 | 13.0 | 12.3 | 11.6 | 11.0 | 10.6 |
| 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) | 9.1 | 9.0 | 7.9 | 9.2 | 10.0 | 7.2 | 8.4 | 6.9 | 8.9 | 8.8 | 9.2 | 8.2 |
| Precipitation (mm) | 0 | 8 | 178 | 132 | 258 | 646 | 505 | 666 | 381 | 309 | 72 | 25 |
| Sunny days | 31 | 21 | 16 | 16 | 8 | 1 | 0 | 1 | 2 | 13 | 26 | 25 |
| Rainy days | 0 | 7 | 15 | 14 | 23 | 29 | 31 | 30 | 28 | 18 | 4 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sylhet Division is at