Average annual temperature is 27.3 °C
Absolute maximum temperature: 40.7 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 200 days
Number of rainy days: 165 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) | 39.1 | 40.2 | 40.7 | 39.9 | 35.9 | 34.6 | 32.4 | 31.9 | 32.8 | 33.1 | 36.5 | 37.4 |
| Average daytime temperature (°C) | 34.6 | 36.9 | 34.7 | 35.4 | 33.4 | 31.4 | 29.3 | 29.4 | 30.6 | 31.5 | 33.6 | 34.7 |
| Average temperature (°C) | 26.3 | 28.1 | 27.5 | 28.8 | 28.8 | 28.0 | 26.2 | 26.1 | 26.6 | 27.0 | 28.0 | 26.9 |
| Average night temperature (°C) | 20.6 | 22.2 | 23.0 | 24.7 | 25.8 | 25.7 | 23.9 | 24.0 | 24.1 | 24.3 | 23.6 | 21.3 |
| Absolute minimum temperature (°C) | 18.7 | 20.4 | 21.3 | 23.4 | 24.1 | 24.2 | 22.4 | 23.1 | 23.1 | 23.3 | 20.1 | 18.1 |
| 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 | 12.6 | 12.8 | 12.7 | 12.5 | 12.2 | 11.9 | 11.6 | 11.5 |
| 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) | 9.8 | 10.5 | 10.7 | 11.0 | 9.3 | 8.5 | 7.6 | 6.8 | 7.4 | 8.4 | 10.1 | 9.5 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 20 | 137 | 429 | 479 | 325 | 284 | 30 | 0 |
| Sunny days | 31 | 27 | 31 | 29 | 21 | 8 | 0 | 0 | 1 | 1 | 20 | 31 |
| Rainy days | 0 | 1 | 0 | 1 | 10 | 22 | 31 | 31 | 29 | 30 | 10 | 0 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Iusse is at