Average annual temperature is 26.5 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 16.5 °C
Number of sunny days: 111 days
Number of rainy days: 254 days
Look at detailed online map of Diabama
* Weather data for Diabama 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) | 36.3 | 37.4 | 37.7 | 37.3 | 34.9 | 32.9 | 32.4 | 32.3 | 32.0 | 32.2 | 33.1 | 35.2 |
| Average daytime temperature (°C) | 34.8 | 36.1 | 35.6 | 34.6 | 32.4 | 30.1 | 29.7 | 29.0 | 29.8 | 30.2 | 31.0 | 33.1 |
| Average temperature (°C) | 26.9 | 28.6 | 28.1 | 28.1 | 27.0 | 25.5 | 25.2 | 25.0 | 25.2 | 25.7 | 26.4 | 26.4 |
| Average night temperature (°C) | 20.5 | 22.7 | 23.1 | 23.9 | 23.9 | 23.1 | 22.9 | 22.9 | 22.9 | 23.1 | 23.3 | 20.9 |
| Absolute minimum temperature (°C) | 16.5 | 21.3 | 20.7 | 22.6 | 22.8 | 22.1 | 21.4 | 22.1 | 22.0 | 22.5 | 21.7 | 17.3 |
| 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 | 11.8 | 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 | 9.1 | 8.5 | 7.5 | 6.3 | 7.2 | 5.6 | 6.1 | 7.4 | 8.5 | 9.7 |
| Precipitation (mm) | 0 | 0 | 33 | 141 | 337 | 325 | 633 | 521 | 412 | 388 | 117 | 1 |
| Sunny days | 28 | 26 | 18 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 27 |
| Rainy days | 3 | 2 | 13 | 23 | 31 | 30 | 31 | 31 | 30 | 31 | 25 | 4 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Diabama is at