Average annual temperature is 26.0 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 93 days
Number of rainy days: 272 days
Look at detailed online map of Mamiri
* Weather data for Mamiri 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) | 36.8 | 37.6 | 38.3 | 36.0 | 35.5 | 33.2 | 33.1 | 32.6 | 32.4 | 32.2 | 33.6 | 35.4 |
| Average daytime temperature (°C) | 35.2 | 36.5 | 34.8 | 34.0 | 32.7 | 30.1 | 29.7 | 28.9 | 29.5 | 29.9 | 31.0 | 33.3 |
| Average temperature (°C) | 26.8 | 28.0 | 27.1 | 27.3 | 26.5 | 25.0 | 24.7 | 24.5 | 24.8 | 25.1 | 25.9 | 26.2 |
| Average night temperature (°C) | 21.2 | 22.5 | 22.7 | 23.5 | 23.5 | 22.8 | 22.5 | 22.5 | 22.5 | 22.7 | 23.0 | 21.4 |
| Absolute minimum temperature (°C) | 18.6 | 21.2 | 20.5 | 22.1 | 22.8 | 22.0 | 21.5 | 21.4 | 21.6 | 21.9 | 22.2 | 18.1 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 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) | 9.6 | 9.8 | 9.3 | 8.7 | 7.3 | 6.7 | 6.9 | 5.4 | 6.6 | 6.7 | 8.1 | 9.6 |
| Precipitation (mm) | 3 | 6 | 65 | 101 | 404 | 414 | 558 | 621 | 419 | 436 | 107 | 12 |
| Sunny days | 24 | 22 | 13 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 26 |
| Rainy days | 7 | 6 | 18 | 27 | 31 | 30 | 31 | 31 | 30 | 31 | 25 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamiri is at