Average annual temperature is 24.8 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: 14.1 °C
Number of sunny days: 138 days
Number of rainy days: 227 days
Look at detailed online map of Merméria
* Weather data for Merméria 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) | 34.2 | 35.6 | 36.0 | 35.1 | 34.4 | 32.1 | 31.4 | 32.5 | 32.2 | 32.2 | 32.9 | 34.2 |
| Average daytime temperature (°C) | 32.5 | 34.4 | 34.6 | 33.7 | 31.6 | 29.5 | 29.2 | 28.7 | 29.5 | 29.9 | 31.4 | 32.1 |
| Average temperature (°C) | 24.2 | 26.6 | 27.0 | 26.6 | 25.4 | 24.2 | 23.7 | 23.5 | 23.9 | 24.1 | 24.7 | 24.0 |
| Average night temperature (°C) | 17.3 | 19.5 | 20.9 | 22.0 | 21.8 | 21.2 | 20.7 | 20.7 | 20.8 | 20.6 | 20.1 | 17.4 |
| Absolute minimum temperature (°C) | 15.5 | 16.5 | 17.9 | 20.8 | 20.5 | 20.3 | 19.9 | 19.8 | 20.0 | 18.9 | 17.4 | 14.1 |
| 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 | 12.3 | 12.6 | 12.7 | 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) | 10.3 | 9.9 | 9.5 | 9.3 | 8.5 | 7.5 | 8.2 | 7.1 | 8.4 | 8.9 | 9.8 | 10.6 |
| Precipitation (mm) | 19 | 6 | 35 | 105 | 219 | 205 | 322 | 372 | 392 | 208 | 59 | 0 |
| Sunny days | 29 | 26 | 21 | 14 | 2 | 0 | 0 | 1 | 0 | 2 | 13 | 30 |
| Rainy days | 2 | 2 | 10 | 16 | 29 | 30 | 31 | 30 | 30 | 29 | 17 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Merméria is at