Average annual temperature is 23.7 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: 14.0 °C
Number of sunny days: 120 days
Number of rainy days: 245 days
Look at detailed online map of Diéoulénou
* Weather data for Diéoulénou 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) | 33.5 | 34.7 | 35.2 | 33.7 | 33.9 | 30.9 | 30.8 | 31.3 | 32.2 | 31.7 | 33.4 | 33.2 |
| Average daytime temperature (°C) | 32.0 | 33.4 | 31.7 | 31.8 | 30.6 | 28.3 | 27.8 | 27.9 | 28.9 | 29.4 | 30.7 | 31.6 |
| Average temperature (°C) | 23.6 | 25.3 | 24.6 | 24.8 | 24.4 | 22.9 | 22.6 | 22.6 | 22.9 | 23.4 | 23.9 | 23.3 |
| Average night temperature (°C) | 16.6 | 19.1 | 20.0 | 20.5 | 20.7 | 20.1 | 19.6 | 19.7 | 19.9 | 19.8 | 19.4 | 16.4 |
| Absolute minimum temperature (°C) | 14.1 | 17.0 | 18.5 | 19.6 | 19.4 | 19.2 | 17.7 | 18.5 | 18.6 | 18.3 | 17.0 | 14.0 |
| 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 | 11.9 | 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) | 10.5 | 9.9 | 8.9 | 9.2 | 8.7 | 7.3 | 7.6 | 7.0 | 8.4 | 8.7 | 9.9 | 10.8 |
| Precipitation (mm) | 5 | 4 | 118 | 86 | 163 | 214 | 231 | 372 | 258 | 112 | 74 | 0 |
| Sunny days | 27 | 23 | 12 | 8 | 2 | 0 | 0 | 1 | 0 | 4 | 12 | 31 |
| Rainy days | 4 | 5 | 19 | 22 | 29 | 30 | 31 | 30 | 30 | 27 | 18 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Diéoulénou is at