Average annual temperature is 24.5 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 14.3 °C
Number of sunny days: 104 days
Number of rainy days: 261 days
Look at detailed online map of Dian
* Weather data for Dian Guinea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 35.1 | 36.9 | 36.7 | 35.2 | 34.7 | 31.6 | 32.0 | 32.1 | 31.1 | 32.5 | 34.6 | 34.9 |
| Average daytime temperature (°C) | 33.8 | 34.4 | 33.4 | 32.5 | 31.0 | 28.8 | 28.7 | 28.5 | 29.1 | 29.9 | 30.1 | 32.5 |
| Average temperature (°C) | 24.7 | 26.2 | 26.1 | 25.6 | 25.0 | 23.9 | 23.5 | 23.5 | 23.7 | 24.0 | 24.0 | 23.8 |
| Average night temperature (°C) | 17.5 | 20.1 | 21.2 | 21.9 | 21.8 | 21.3 | 20.9 | 21.0 | 21.1 | 20.9 | 20.3 | 17.2 |
| Absolute minimum temperature (°C) | 14.3 | 16.6 | 18.5 | 20.2 | 20.4 | 20.7 | 19.3 | 19.4 | 20.2 | 19.7 | 17.2 | 15.0 |
| 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) | 10.1 | 9.8 | 8.7 | 8.2 | 7.6 | 6.3 | 6.6 | 6.4 | 7.5 | 8.4 | 8.6 | 10.5 |
| Precipitation (mm) | 15 | 5 | 89 | 159 | 235 | 325 | 290 | 381 | 310 | 237 | 140 | 1 |
| Sunny days | 25 | 21 | 15 | 4 | 2 | 0 | 0 | 1 | 0 | 1 | 7 | 28 |
| Rainy days | 6 | 7 | 16 | 26 | 29 | 30 | 31 | 30 | 30 | 30 | 23 | 3 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Dian during the most sunny months:
The largest precipitation sum in Dian is at