Average annual temperature is 24.3 °C
Absolute maximum temperature: 42.3 °C
Absolute minimum temperature: 5.7 °C
Number of sunny days: 240 days
Number of rainy days: 125 days
Look at detailed online map of Dumai
* Weather data for Dumai India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 25.6 | 30.9 | 33.9 | 40.6 | 39.2 | 42.3 | 35.3 | 34.0 | 34.6 | 33.0 | 29.7 | 27.6 |
| Average daytime temperature (°C) | 19.9 | 25.9 | 30.6 | 34.9 | 34.8 | 38.0 | 32.8 | 32.2 | 32.4 | 30.2 | 26.9 | 22.5 |
| Average temperature (°C) | 13.3 | 18.6 | 23.3 | 27.0 | 28.6 | 32.7 | 29.4 | 28.6 | 28.6 | 24.7 | 20.5 | 15.6 |
| Average night temperature (°C) | 8.4 | 12.2 | 16.3 | 19.3 | 22.6 | 27.1 | 26.3 | 25.8 | 25.5 | 20.0 | 15.0 | 10.3 |
| Absolute minimum temperature (°C) | 5.7 | 8.8 | 13.4 | 15.5 | 19.3 | 24.0 | 25.0 | 23.4 | 23.9 | 16.4 | 12.7 | 7.5 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 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) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.7 | 9.7 | 10.1 | 10.3 | 10.2 | 10.6 | 9.3 | 8.2 | 9.3 | 9.7 | 8.6 | 8.1 |
| Precipitation (mm) | 3 | 0 | 36 | 14 | 39 | 137 | 312 | 291 | 84 | 34 | 1 | 5 |
| Sunny days | 29 | 28 | 24 | 25 | 23 | 19 | 2 | 1 | 5 | 25 | 29 | 30 |
| Rainy days | 2 | 0 | 7 | 5 | 8 | 11 | 29 | 30 | 25 | 6 | 1 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dumai is at