Bissau Weather History
Guinea-Bissau · Africa · Weather data 1976–today
Bissau sits 1320km from the equator, at sea level. That combination gives it a hot climate with one clear dry season (Tropical savanna climate). Its record high is 40.5°C, set 2024-02-14, its record low 16.0°C, set 2009-01-21.
Data through August 4, 2026.
Frequently asked questions about the weather in Bissau
What is the hottest temperature ever recorded in Bissau?
The highest temperature in this record for Bissau is 40.5°C, measured on 2024-02-14. That is a recorded daily value from Bissau's own series covering 1976 to 2025, not an estimate or a regional average.
What is the coldest temperature ever recorded in Bissau?
The lowest temperature in this record for Bissau is 16.0°C, measured on 2009-01-21. Together with the heat record above, that spans the full range this city has actually experienced across 1976 to 2025.
How much rain does Bissau get a year?
Bissau averages 1367mm of precipitation a year, spread across roughly 126 days with at least 1mm. That average is taken over 50 complete calendar years, so one exceptionally wet or dry year does not set the figure.
What was the wettest day on record in Bissau?
On 2015-08-01, 218.2mm fell on Bissau, the highest single-day total in this series. For scale, that is roughly 16% of what the city receives in an average full year, in one day.
How many hours of sunshine does Bissau get a year?
Bissau averages 3709 sunshine hours a year, which works out to about 10.2 hours a day across the whole year. Sunshine hours measure the time direct sunlight actually reaches the ground, not simply how long it is light.
How warm are summers and how cold are winters in Bissau?
Across the summer months Bissau averages a daytime high near 29.4°C, while winter nights average 21°C. The seasons here are set from Bissau's position relative to the equator rather than a fixed northern-hemisphere calendar.
What is the strongest wind recorded in Bissau?
The strongest wind speed recorded in Bissau is 46 km/h, on 2018-09-07. That is the daily maximum sustained wind rather than the peak gust, which typically runs higher still.
