Average annual temperature is 26.8 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: 21.3 °C
Number of sunny days: 22 days
Number of rainy days: 343 days
Look at detailed online map of Muara Sungai Dumai
* Weather data for Muara Sungai Dumai Indonesia is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 31.4 | 31.3 | 32.7 | 33.1 | 33.8 | 33.6 | 34.0 | 33.0 | 33.9 | 33.7 | 32.2 | 31.9 |
| Average daytime temperature (°C) | 29.0 | 30.0 | 30.0 | 31.2 | 32.1 | 31.9 | 31.2 | 31.0 | 31.9 | 31.3 | 30.8 | 29.7 |
| Average temperature (°C) | 25.6 | 26.3 | 26.4 | 27.0 | 27.7 | 27.5 | 27.2 | 26.7 | 27.2 | 26.9 | 26.7 | 26.2 |
| Average night temperature (°C) | 23.0 | 23.4 | 23.6 | 24.0 | 24.4 | 24.2 | 24.2 | 23.6 | 23.9 | 23.7 | 24.0 | 23.8 |
| Absolute minimum temperature (°C) | 21.6 | 22.4 | 21.3 | 23.0 | 23.1 | 22.9 | 23.4 | 23.1 | 22.9 | 22.8 | 22.8 | 23.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Daylight mean duration (h) | 12.0 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.0 | 12.0 |
| Daylight minimum duration (h) | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunshine mean duration (h) | 7.7 | 9.5 | 9.1 | 8.9 | 10.2 | 9.6 | 8.7 | 8.2 | 9.4 | 8.5 | 8.6 | 7.8 |
| Precipitation (mm) | 260 | 183 | 151 | 218 | 205 | 235 | 162 | 299 | 220 | 379 | 249 | 375 |
| Sunny days | 0 | 3 | 4 | 0 | 2 | 4 | 5 | 0 | 3 | 0 | 0 | 1 |
| Rainy days | 31 | 25 | 27 | 30 | 29 | 26 | 26 | 31 | 27 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Muara Sungai Dumai is at