Average annual temperature is 26.5 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 17.7 °C
Number of sunny days: 180 days
Number of rainy days: 185 days
Look at detailed online map of Siriman
* Weather data for Siriman Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 38.4 | 37.4 | 39.3 | 38.9 | 37.5 | 34.9 | 32.7 | 33.3 | 32.6 | 33.1 | 36.1 | 36.6 |
| Average daytime temperature (°C) | 35.1 | 36.2 | 35.3 | 35.9 | 33.9 | 31.4 | 29.4 | 29.4 | 30.6 | 31.5 | 33.2 | 34.2 |
| Average temperature (°C) | 26.4 | 27.2 | 26.8 | 28.0 | 28.1 | 26.7 | 25.3 | 25.1 | 25.6 | 26.0 | 26.9 | 26.3 |
| Average night temperature (°C) | 20.1 | 20.8 | 21.5 | 23.2 | 24.6 | 24.1 | 22.9 | 22.8 | 23.1 | 23.1 | 22.6 | 20.6 |
| Absolute minimum temperature (°C) | 17.7 | 19.2 | 20.3 | 21.6 | 22.5 | 22.7 | 21.1 | 22.1 | 21.8 | 22.5 | 20.5 | 18.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.9 | 10.3 | 10.4 | 10.8 | 8.3 | 8.2 | 7.2 | 6.6 | 7.6 | 8.2 | 10.0 | 9.6 |
| Precipitation (mm) | 0 | 0 | 0 | 1 | 82 | 172 | 406 | 553 | 447 | 282 | 41 | 1 |
| Sunny days | 31 | 28 | 30 | 24 | 13 | 5 | 0 | 0 | 1 | 1 | 17 | 30 |
| Rainy days | 0 | 0 | 1 | 6 | 18 | 25 | 31 | 31 | 29 | 30 | 13 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siriman is at