Average annual temperature is 25.6 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 16.4 °C
Number of sunny days: 80 days
Number of rainy days: 285 days
Look at detailed online map of Dia
* Weather data for Dia 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) | 36.5 | 37.3 | 38.0 | 35.4 | 33.5 | 32.3 | 32.1 | 32.5 | 32.9 | 31.8 | 32.0 | 34.5 |
| Average daytime temperature (°C) | 34.0 | 35.4 | 34.2 | 33.1 | 31.5 | 29.8 | 29.4 | 29.0 | 29.2 | 29.6 | 30.3 | 32.3 |
| Average temperature (°C) | 26.0 | 27.8 | 27.0 | 26.8 | 26.1 | 24.8 | 24.5 | 24.3 | 24.6 | 24.8 | 25.3 | 25.3 |
| Average night temperature (°C) | 20.4 | 22.6 | 22.6 | 23.5 | 23.3 | 22.5 | 22.3 | 22.3 | 22.3 | 22.4 | 22.5 | 20.3 |
| Absolute minimum temperature (°C) | 16.4 | 20.8 | 20.5 | 22.4 | 22.4 | 21.5 | 21.0 | 20.9 | 21.6 | 21.3 | 20.8 | 16.7 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| 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) | 9.5 | 9.8 | 8.4 | 8.3 | 7.5 | 7.2 | 6.6 | 5.7 | 6.9 | 7.3 | 8.1 | 9.9 |
| Precipitation (mm) | 14 | 3 | 85 | 155 | 341 | 275 | 398 | 445 | 387 | 365 | 155 | 3 |
| Sunny days | 23 | 22 | 10 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 21 |
| Rainy days | 8 | 6 | 21 | 28 | 31 | 30 | 31 | 31 | 30 | 31 | 28 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dia during the most sunny months:
The largest precipitation sum in Dia is at