Average annual temperature is 25.8 °C
Absolute maximum temperature: 40.2 °C
Absolute minimum temperature: 9.5 °C
Number of sunny days: 172 days
Number of rainy days: 193 days
Look at detailed online map of Pennai
* Weather data for Pennai 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) | 27.5 | 31.8 | 34.3 | 40.2 | 39.1 | 38.1 | 36.7 | 35.0 | 34.8 | 32.6 | 32.8 | 28.6 |
| Average daytime temperature (°C) | 24.8 | 28.3 | 31.3 | 35.0 | 34.3 | 33.8 | 33.2 | 32.1 | 32.2 | 31.0 | 29.2 | 25.4 |
| Average temperature (°C) | 18.3 | 21.8 | 24.8 | 28.4 | 28.9 | 29.6 | 29.5 | 28.4 | 28.5 | 26.8 | 23.9 | 20.1 |
| Average night temperature (°C) | 12.6 | 15.3 | 19.1 | 22.6 | 24.5 | 26.6 | 26.5 | 25.8 | 25.8 | 22.9 | 18.9 | 15.5 |
| Absolute minimum temperature (°C) | 9.5 | 11.7 | 15.9 | 19.2 | 21.7 | 24.1 | 25.5 | 24.8 | 24.8 | 19.1 | 16.3 | 12.8 |
| 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) | 10.9 | 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) | 9.8 | 9.6 | 8.8 | 10.3 | 10.3 | 8.8 | 10.4 | 8.2 | 8.6 | 9.1 | 9.0 | 8.6 |
| Precipitation (mm) | 0 | 1 | 76 | 70 | 127 | 395 | 132 | 414 | 250 | 111 | 94 | 40 |
| Sunny days | 30 | 22 | 18 | 19 | 10 | 1 | 1 | 1 | 3 | 15 | 25 | 27 |
| Rainy days | 1 | 6 | 13 | 11 | 21 | 29 | 30 | 30 | 27 | 16 | 5 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pennai is at