Average annual temperature is 26.4 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 13.9 °C
Number of sunny days: 174 days
Number of rainy days: 191 days
Look at detailed online map of Dioli
* Weather data for Dioli 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) | 39.2 | 40.1 | 39.7 | 40.0 | 36.5 | 35.3 | 32.1 | 32.4 | 32.8 | 33.5 | 35.1 | 37.9 |
| Average daytime temperature (°C) | 35.2 | 37.0 | 36.8 | 37.0 | 33.9 | 32.1 | 29.9 | 29.8 | 30.2 | 30.8 | 32.5 | 35.0 |
| Average temperature (°C) | 25.9 | 28.0 | 28.3 | 29.0 | 27.5 | 26.4 | 25.0 | 24.9 | 25.0 | 25.2 | 26.2 | 25.9 |
| Average night temperature (°C) | 17.8 | 20.4 | 21.0 | 22.6 | 23.8 | 23.3 | 22.6 | 22.4 | 22.5 | 22.4 | 21.6 | 18.6 |
| Absolute minimum temperature (°C) | 15.8 | 18.6 | 19.2 | 20.6 | 22.2 | 22.1 | 20.6 | 21.4 | 21.3 | 21.6 | 18.2 | 13.9 |
| 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) | 11.6 | 11.8 | 12.1 | 12.4 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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 | 10.1 | 10.4 | 10.7 | 7.5 | 7.6 | 7.2 | 6.6 | 7.2 | 7.9 | 9.7 | 10.1 |
| Precipitation (mm) | 0 | 0 | 1 | 1 | 157 | 220 | 390 | 394 | 379 | 323 | 15 | 0 |
| Sunny days | 31 | 27 | 30 | 26 | 6 | 4 | 0 | 0 | 0 | 0 | 19 | 31 |
| Rainy days | 0 | 1 | 1 | 4 | 25 | 26 | 31 | 31 | 30 | 31 | 11 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Dioli is at