Average annual temperature is 27.6 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 16.2 °C
Number of sunny days: 225 days
Number of rainy days: 140 days
Look at detailed online map of Iero Sunto
* Weather data for Iero Sunto 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) | 38.3 | 39.8 | 41.1 | 41.2 | 40.2 | 39.2 | 34.1 | 33.8 | 33.5 | 34.5 | 36.0 | 35.0 |
| Average daytime temperature (°C) | 33.8 | 37.5 | 38.2 | 38.9 | 37.3 | 34.1 | 31.1 | 30.7 | 31.5 | 32.6 | 33.8 | 33.0 |
| Average temperature (°C) | 25.5 | 28.6 | 29.2 | 30.8 | 30.6 | 28.7 | 26.6 | 26.1 | 26.5 | 27.2 | 26.5 | 24.9 |
| Average night temperature (°C) | 19.0 | 21.3 | 22.0 | 24.2 | 25.7 | 25.1 | 23.8 | 23.5 | 23.5 | 23.8 | 20.7 | 18.6 |
| Absolute minimum temperature (°C) | 16.2 | 18.7 | 19.9 | 22.0 | 23.1 | 23.9 | 22.9 | 22.4 | 22.5 | 22.6 | 16.2 | 16.4 |
| 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) | 11.5 | 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 | 10.6 | 10.6 | 10.9 | 9.4 | 9.1 | 7.7 | 6.9 | 8.2 | 9.1 | 10.0 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 3 | 104 | 236 | 322 | 381 | 205 | 4 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 26 | 10 | 0 | 1 | 1 | 10 | 27 | 30 |
| Rainy days | 0 | 0 | 0 | 0 | 5 | 20 | 31 | 30 | 29 | 21 | 3 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iero Sunto is at