Average annual temperature is 24.3 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 135 days
Number of rainy days: 230 days
Look at detailed online map of Siamamaia
* Weather data for Siamamaia Sierra Leone is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 34.4 | 35.8 | 36.2 | 35.1 | 33.1 | 30.7 | 30.5 | 30.9 | 30.2 | 30.6 | 32.1 | 33.7 |
| Average daytime temperature (°C) | 32.3 | 33.9 | 33.4 | 32.5 | 30.0 | 27.8 | 27.6 | 27.0 | 27.8 | 28.5 | 30.0 | 31.6 |
| Average temperature (°C) | 24.9 | 26.6 | 26.1 | 26.0 | 24.8 | 23.2 | 22.8 | 22.6 | 23.0 | 23.5 | 24.5 | 24.5 |
| Average night temperature (°C) | 18.5 | 20.0 | 20.3 | 21.4 | 21.6 | 20.9 | 20.5 | 20.4 | 20.5 | 20.7 | 20.6 | 18.5 |
| Absolute minimum temperature (°C) | 16.7 | 18.5 | 18.6 | 20.1 | 20.7 | 20.1 | 19.4 | 19.7 | 19.4 | 19.8 | 19.0 | 15.7 |
| 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 | 12.3 | 12.6 | 12.7 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 9.8 | 10.1 | 9.9 | 9.1 | 7.3 | 6.4 | 7.4 | 6.0 | 7.2 | 8.1 | 9.2 | 10.2 |
| Precipitation (mm) | 11 | 0 | 34 | 78 | 254 | 316 | 419 | 574 | 404 | 327 | 105 | 4 |
| Sunny days | 28 | 27 | 24 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 11 | 29 |
| Rainy days | 3 | 1 | 7 | 15 | 30 | 30 | 31 | 31 | 30 | 31 | 19 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Siamamaia is at