Average annual temperature is 25.7 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: 9.0 °C
Number of sunny days: 177 days
Number of rainy days: 188 days
Look at detailed online map of Siālmari
* Weather data for Siālmari 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) | 28.7 | 33.8 | 34.4 | 42.7 | 41.5 | 39.2 | 33.7 | 34.3 | 34.7 | 33.4 | 31.9 | 29.7 |
| Average daytime temperature (°C) | 24.4 | 29.0 | 31.6 | 36.1 | 35.4 | 34.8 | 32.4 | 32.3 | 31.8 | 31.3 | 29.2 | 25.4 |
| Average temperature (°C) | 17.9 | 21.9 | 25.1 | 28.9 | 29.3 | 30.0 | 28.9 | 28.6 | 28.2 | 26.6 | 23.6 | 19.7 |
| Average night temperature (°C) | 12.4 | 15.2 | 19.7 | 22.5 | 24.7 | 26.7 | 26.2 | 25.9 | 25.7 | 22.4 | 18.3 | 14.9 |
| Absolute minimum temperature (°C) | 9.0 | 11.1 | 17.1 | 18.5 | 22.4 | 24.4 | 25.3 | 24.5 | 24.1 | 19.2 | 15.3 | 11.1 |
| 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) | 10.9 | 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) | 9.6 | 10.0 | 9.6 | 10.8 | 10.5 | 8.1 | 9.7 | 8.4 | 7.6 | 9.2 | 9.7 | 8.5 |
| Precipitation (mm) | 0 | 0 | 100 | 55 | 152 | 350 | 223 | 309 | 317 | 124 | 5 | 22 |
| Sunny days | 31 | 26 | 15 | 17 | 9 | 4 | 0 | 1 | 0 | 21 | 27 | 26 |
| Rainy days | 0 | 2 | 16 | 13 | 22 | 26 | 31 | 30 | 30 | 10 | 3 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siālmari is at