Average annual temperature is 27.0 °C
Absolute maximum temperature: 39.9 °C
Absolute minimum temperature: 16.1 °C
Number of sunny days: 219 days
Number of rainy days: 146 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) | 37.3 | 38.5 | 39.9 | 39.7 | 37.5 | 34.9 | 31.8 | 31.6 | 32.5 | 33.2 | 34.8 | 35.1 |
| Average daytime temperature (°C) | 32.6 | 35.4 | 33.9 | 35.1 | 33.5 | 31.6 | 29.7 | 29.4 | 30.5 | 31.3 | 32.9 | 33.4 |
| Average temperature (°C) | 25.1 | 27.1 | 27.1 | 28.6 | 28.8 | 28.2 | 26.4 | 26.2 | 26.6 | 27.1 | 27.2 | 25.7 |
| Average night temperature (°C) | 19.8 | 21.1 | 22.0 | 23.9 | 25.5 | 25.7 | 24.1 | 24.0 | 24.1 | 24.4 | 22.5 | 19.9 |
| Absolute minimum temperature (°C) | 17.3 | 19.4 | 20.7 | 22.1 | 23.1 | 24.3 | 22.7 | 22.9 | 22.7 | 22.9 | 18.5 | 16.1 |
| 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 | 11.8 | 12.1 | 12.4 | 12.7 | 12.8 | 12.7 | 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) | 10.1 | 10.7 | 10.7 | 10.9 | 9.4 | 9.3 | 8.1 | 7.2 | 8.5 | 8.7 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 7 | 96 | 407 | 445 | 339 | 197 | 18 | 0 |
| Sunny days | 31 | 28 | 31 | 30 | 26 | 10 | 1 | 2 | 1 | 4 | 24 | 31 |
| Rainy days | 0 | 0 | 0 | 0 | 5 | 20 | 30 | 29 | 29 | 27 | 6 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iusse is at