Average annual temperature is 26.1 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: 18.4 °C
Number of sunny days: 97 days
Number of rainy days: 268 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) | 36.7 | 36.4 | 35.8 | 35.6 | 36.2 | 32.6 | 32.5 | 32.3 | 31.8 | 33.0 | 33.3 | 35.4 |
| Average daytime temperature (°C) | 34.3 | 34.4 | 33.4 | 33.6 | 32.3 | 29.8 | 29.4 | 28.4 | 29.6 | 30.3 | 31.1 | 33.2 |
| Average temperature (°C) | 26.7 | 27.3 | 27.0 | 27.6 | 26.8 | 25.3 | 25.0 | 24.7 | 25.1 | 25.4 | 26.1 | 26.5 |
| Average night temperature (°C) | 21.7 | 22.8 | 23.1 | 24.0 | 24.0 | 23.1 | 22.8 | 22.6 | 22.9 | 23.0 | 23.1 | 21.9 |
| Absolute minimum temperature (°C) | 19.0 | 21.1 | 20.8 | 22.5 | 23.1 | 22.0 | 21.8 | 21.6 | 22.1 | 22.5 | 22.2 | 18.4 |
| 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) | 9.8 | 9.9 | 9.6 | 9.0 | 7.6 | 7.0 | 7.1 | 5.8 | 6.6 | 7.0 | 8.1 | 9.9 |
| Precipitation (mm) | 3 | 2 | 22 | 94 | 334 | 504 | 630 | 659 | 418 | 477 | 155 | 10 |
| Sunny days | 27 | 21 | 17 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 25 |
| Rainy days | 4 | 7 | 14 | 26 | 31 | 30 | 31 | 31 | 30 | 31 | 27 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamiri is at