Chuva moderada a forte e trovoada
• Ocorrência de precipitações moderadas a fortes.
• Ventos fortes associados às áreas de chuva.
• Possibilidade de inundações localizadas, queda de árvores e dificuldades na circulação em zonas vulneráveis.
• As chuvas mais intensas são esperadas entre a tarde do dia 17 de j…
Tomorrow in Bissau looks
light rain shower, with a high of 83°
and an overnight low of 78°.
There is a 84% chance of rain - plan accordingly.
Winds top out near 11 mph,
and the UV index reaches 11 (extreme).
Bissau has a tropical wet-and-dry climate, marked by year-round warmth split between a rainy season and a pronounced dry season. Average daytime highs range from about 83°F (28°C) in August to around 88°F (31°C) in June, and the city records roughly 117 days of measurable precipitation a year.
Bissau weather: quick facts
Hottest month: June - highs near 88°F (31°C)
Coldest month: August - highs near 83°F (28°C)
Record high: 105°F (40°C) · Record low: 65°F (18°C) (2015–2024)
Wettest month: August (29 rainy days) · Sunniest: April (11.7 h sun/day)
Climate type:tropical wet-and-dry - year-round warmth split between a rainy season and a pronounced dry season
Temperatures through the year
The warmest stretch of the year centers on June. Highs average 88°F (31°C) and overnight lows stay near 78°F (25°C). The coolest month is August, with typical highs of 83°F (28°C) and lows around 76°F (25°C). Based on 2015–2024 weather data, temperatures have reached as high as 105°F (40°C) and dropped as low as 65°F (18°C).
Rain, sun and snow
August is usually the wettest month. It brings about 19.9 inches (506 mm) of rain over 29 days, while January is the driest. April brings the most sunshine, averaging 11.7 hours of sun a day.
Season by season
March through May
March through May in Bissau brings hot afternoons, with daytime highs averaging 91°F (33°C) and nights around 74°F (23°C); precipitation is infrequent.
June through August
June through August in Bissau runs hot, with daytime highs averaging 85°F (29°C) and nights around 77°F (25°C); expect showers on roughly 66 days across the season.
September through November
September through November in Bissau is hot, with daytime highs averaging 87°F (30°C) and nights around 76°F (25°C); expect showers on roughly 50 days across the season.
December through February
December through February in Bissau brings serious heat, with daytime highs averaging 92°F (33°C) and nights around 71°F (22°C); precipitation is infrequent.
Average temperatures in Bissau by month
Monthly averages for Bissau based on 2015–2024 weather data.
June is the hottest month in Bissau, with average highs of 88°F (31°C) and overnight lows near 78°F (25°C). In the past decade the temperature has peaked at 105°F (40°C).
What is the coldest month in Bissau?
August is the coldest month, with highs averaging 83°F (28°C) and lows around 76°F (25°C). The lowest reading in recent years was 65°F (18°C).
What is the rainiest month in Bissau?
August is typically the wettest month, averaging 19.9 inches (506 mm) of precipitation across about 29 days. January is usually the driest.
Does it snow in Bissau?
Snow is essentially absent in Bissau - the 2015–2024 record shows no regular measurable snowfall.
What is the best time to visit Bissau?
The best time to visit Bissau is generally November to January and April to May, when these months combine the driest skies with the most comfortable heat. Daytime temperatures in that window typically sit near 91°F (33°C).
How sunny is Bissau?
Bissau averages 9.9 hours of sunshine per day across the year. April is the sunniest month at about 11.7 hours of sun a day.
Is Bissau humid?
Relative humidity in Bissau averages about 67% over the year, which feels moderate. The most comfortable months tend to fall in the drier part of the year.