The climate in Guinea-Bissau
Average daytime and nighttime temperaturesAll climate diagrams on this page come from the collected data of 3 weather stations.
All data correspond to the average monthly values of the last 20 years.
Back to overview: Guinea-Bissau
Climate zone: tropics
The climate in Guinea-Bissau is very warm, with an annual average of 33 degrees, but has few truly tropical and sticky months. It is warm to hot all year round, inviting bathing at average water temperatures of 26 degrees. The warmest and rainiest part of the country is Cacheu. The coldest is Biombo. Due to less rain, the best time for traveling is from November to May. The most rain days occur from from July to October.
The climate in Guinea-Bissau is very warm, with an annual average of 33 degrees, but has few truly tropical and sticky months. It is warm to hot all year round, inviting bathing at average water temperatures of 26 degrees. The warmest and rainiest part of the country is Cacheu. The coldest is Biombo. Due to less rain, the best time for traveling is from November to May. The most rain days occur from from July to October.
› Duration of daylight and sunshine in Guinea-Bissau
› Compare climate with other regions or countries
› Compare climate with other regions or countries
Hours of sunshine per day

Rain days per month

Precipitation in mm/day

Water temperature

Relative humidity in %

Absolute humidity in g/m³

Regions in Guinea-Bissau
All figures per year. For detailed climate data click on the name of the region.Region | Temperature max Ø day | Temperature min Ø night | Sunshine hours | Rainy days | Precipitation | Humidity |
---|---|---|---|---|---|---|
Biombo | 33.1 °C | 22.0 °C | 2,592 h | 79 | 1,358 l | 69.0 % |
Bissau | 33.1 °C | 22.0 °C | 2,592 h | 79 | 1,358 l | 69.0 % |
Bolama and Bijagos | 33.1 °C | 22.0 °C | 2,592 h | 79 | 1,358 l | 69.0 % |
Cacheu | 34.7 °C | 21.7 °C | 2,592 h | 78 | 1,416 l | 70.0 % |