Average annual temperature is 27.6 °C
Absolute maximum temperature: 41.7 °C
Absolute minimum temperature: 16.6 °C
Number of sunny days: 222 days
Number of rainy days: 143 days
Look at detailed online map of Iusse
* Weather data for Iusse 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) | 38.2 | 40.3 | 41.7 | 40.9 | 40.0 | 39.6 | 33.9 | 32.9 | 33.5 | 34.2 | 35.1 | 34.9 |
| Average daytime temperature (°C) | 33.5 | 37.5 | 38.0 | 38.6 | 37.5 | 34.2 | 30.9 | 30.2 | 31.3 | 32.2 | 33.3 | 32.9 |
| Average temperature (°C) | 25.5 | 28.7 | 28.5 | 30.2 | 30.2 | 28.8 | 26.7 | 26.2 | 26.8 | 27.4 | 26.9 | 25.2 |
| Average night temperature (°C) | 19.4 | 21.8 | 21.5 | 23.9 | 25.3 | 25.4 | 24.1 | 23.8 | 24.0 | 24.2 | 21.8 | 19.3 |
| Absolute minimum temperature (°C) | 17.1 | 20.2 | 20.4 | 21.4 | 22.0 | 24.0 | 22.8 | 22.3 | 22.6 | 23.2 | 17.8 | 16.6 |
| 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) | 9.9 | 10.7 | 10.8 | 10.9 | 9.8 | 9.3 | 8.0 | 6.5 | 8.0 | 8.9 | 10.2 | 9.9 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 3 | 86 | 239 | 339 | 251 | 178 | 8 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 23 | 8 | 1 | 1 | 1 | 8 | 29 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 8 | 22 | 30 | 30 | 29 | 23 | 1 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iusse is at