Average annual temperature is 23.3 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: 14.4 °C
Number of sunny days: 133 days
Number of rainy days: 232 days
Look at detailed online map of Marso
* Weather data for Marso 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 | 34.0 | 35.3 | 34.5 | 31.0 | 30.3 | 28.6 | 29.7 | 28.9 | 29.4 | 31.3 | 31.7 |
| Average daytime temperature (°C) | 30.9 | 32.3 | 32.3 | 31.8 | 28.8 | 26.7 | 25.9 | 25.7 | 26.4 | 27.1 | 29.0 | 30.3 |
| Average temperature (°C) | 24.5 | 25.5 | 24.9 | 24.9 | 23.8 | 22.1 | 21.5 | 21.3 | 21.7 | 22.3 | 23.4 | 23.8 |
| Average night temperature (°C) | 18.6 | 19.1 | 19.0 | 19.7 | 20.4 | 19.8 | 19.2 | 19.2 | 19.2 | 19.3 | 18.7 | 17.9 |
| Absolute minimum temperature (°C) | 15.2 | 17.5 | 17.3 | 18.4 | 18.6 | 18.7 | 18.7 | 18.0 | 18.2 | 18.4 | 14.6 | 14.4 |
| 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 | 12.7 | 12.7 | 12.4 | 12.2 | 11.9 | 11.7 | 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) | 10.2 | 10.3 | 10.0 | 10.0 | 7.8 | 7.5 | 7.5 | 6.1 | 7.5 | 8.4 | 9.9 | 10.3 |
| Precipitation (mm) | 0 | 0 | 24 | 74 | 203 | 322 | 434 | 560 | 446 | 251 | 38 | 0 |
| Sunny days | 29 | 27 | 17 | 18 | 2 | 0 | 0 | 0 | 0 | 0 | 11 | 29 |
| Rainy days | 2 | 1 | 14 | 12 | 29 | 30 | 31 | 31 | 30 | 31 | 19 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Marso is at