Average annual temperature is 27.9 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 16.3 °C
Number of sunny days: 220 days
Number of rainy days: 145 days
Look at detailed online map of Giulem
* Weather data for Giulem 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 | 39.9 | 41.2 | 41.1 | 40.4 | 38.5 | 33.6 | 33.4 | 33.2 | 33.6 | 35.1 | 34.3 |
| Average daytime temperature (°C) | 33.9 | 37.6 | 38.5 | 39.2 | 37.7 | 34.1 | 31.2 | 30.6 | 31.2 | 32.1 | 33.3 | 32.3 |
| Average temperature (°C) | 26.1 | 29.1 | 29.9 | 31.4 | 31.1 | 28.9 | 26.7 | 26.2 | 26.6 | 27.2 | 26.8 | 24.8 |
| Average night temperature (°C) | 19.6 | 21.6 | 22.2 | 24.6 | 26.1 | 25.2 | 23.9 | 23.6 | 23.6 | 23.8 | 21.1 | 18.8 |
| Absolute minimum temperature (°C) | 17.5 | 18.8 | 19.5 | 22.8 | 23.0 | 23.6 | 22.9 | 22.8 | 22.6 | 22.6 | 17.4 | 16.3 |
| 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 | 10.4 | 10.5 | 10.8 | 9.4 | 9.0 | 7.9 | 7.1 | 8.2 | 9.3 | 10.1 | 9.8 |
| Precipitation (mm) | 0 | 0 | 0 | 0 | 5 | 115 | 229 | 327 | 321 | 199 | 3 | 1 |
| Sunny days | 31 | 28 | 31 | 29 | 24 | 9 | 1 | 1 | 1 | 8 | 27 | 30 |
| Rainy days | 0 | 0 | 0 | 1 | 7 | 21 | 30 | 30 | 29 | 23 | 3 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Giulem is at