Average annual temperature is 27.4 °C
Absolute maximum temperature: 40.5 °C
Absolute minimum temperature: 15.7 °C
Number of sunny days: 218 days
Number of rainy days: 147 days
Look at detailed online map of Méro
* Weather data for Méro Guinea-Bissau is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.3 | 39.4 | 40.5 | 40.5 | 39.9 | 38.6 | 33.8 | 33.5 | 33.3 | 34.0 | 35.3 | 34.9 |
| Average daytime temperature (°C) | 33.4 | 37.0 | 37.5 | 38.3 | 36.6 | 33.6 | 31.1 | 30.5 | 31.4 | 32.3 | 33.3 | 32.8 |
| Average temperature (°C) | 25.0 | 28.1 | 29.0 | 30.5 | 30.4 | 28.7 | 26.7 | 26.2 | 26.6 | 27.2 | 26.4 | 24.5 |
| Average night temperature (°C) | 18.3 | 20.4 | 21.9 | 24.2 | 25.9 | 25.3 | 24.0 | 23.7 | 23.7 | 23.9 | 20.6 | 18.0 |
| Absolute minimum temperature (°C) | 16.2 | 17.3 | 19.0 | 22.0 | 23.3 | 23.6 | 22.9 | 22.0 | 22.7 | 22.6 | 16.3 | 15.7 |
| 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) | 11.5 | 11.7 | 12.1 | 12.4 | 12.7 | 12.8 | 12.8 | 12.5 | 12.2 | 11.9 | 11.6 | 11.4 |
| 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) | 10.0 | 10.5 | 10.6 | 11.0 | 9.2 | 8.6 | 7.7 | 6.5 | 7.9 | 8.9 | 10.1 | 9.7 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 6 | 106 | 277 | 385 | 387 | 201 | 5 | 0 |
| Sunny days | 31 | 28 | 31 | 29 | 24 | 9 | 1 | 1 | 1 | 6 | 27 | 30 |
| Rainy days | 0 | 0 | 0 | 1 | 7 | 21 | 30 | 30 | 29 | 25 | 3 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Méro is at