Average annual temperature is 27.9 °C
Absolute maximum temperature: 41.0 °C
Absolute minimum temperature: 15.8 °C
Number of sunny days: 232 days
Number of rainy days: 133 days
Look at detailed online map of Ongã
* Weather data for Ongã 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) | 37.1 | 38.8 | 40.3 | 41.0 | 41.0 | 39.5 | 34.1 | 33.5 | 33.5 | 33.8 | 35.5 | 34.5 |
| Average daytime temperature (°C) | 33.1 | 37.0 | 38.2 | 39.0 | 38.2 | 34.3 | 31.4 | 30.7 | 31.2 | 32.4 | 33.6 | 32.5 |
| Average temperature (°C) | 25.3 | 28.5 | 29.8 | 31.4 | 31.6 | 29.1 | 27.0 | 26.4 | 26.7 | 27.5 | 27.0 | 24.9 |
| Average night temperature (°C) | 18.9 | 20.9 | 21.9 | 24.5 | 26.3 | 25.2 | 24.2 | 23.8 | 23.7 | 23.9 | 21.1 | 18.6 |
| Absolute minimum temperature (°C) | 15.8 | 18.6 | 19.6 | 22.1 | 23.0 | 24.3 | 23.1 | 22.6 | 22.6 | 22.7 | 16.6 | 16.0 |
| 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) | 11.5 | 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 | 10.9 | 9.5 | 9.4 | 8.1 | 7.3 | 8.2 | 9.4 | 10.2 | 9.9 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 4 | 91 | 203 | 320 | 387 | 151 | 0 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 25 | 11 | 3 | 2 | 3 | 9 | 29 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 6 | 19 | 28 | 29 | 27 | 22 | 1 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ongã is at