Bissau Climate by Month
Bissau has a steady very warm climate throughout the year.
It also has a notably wet climate with much precipitation.
Now, let’s explore all the climate details to give you a full picture.
Average day and night temperature
In Bissau temperatures are generally consistent throughout the year. Average daytime temperatures range from a very hot 35°C in March, the warmest time of the year, to a very warm 30°C during cooler months like January. At night, temperatures typically average around 21°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Bissau experiences significant rainfall throughout the year, averaging 1382 mm of precipitation annually. Significant seasonal changes in precipitation occur throughout the year. During the wetter season, August receives heavy rainfall, averaging 461 mm of precipitation, recorded across 22 rainy days. In contrast, the drier season, March brings less rainfall, with 0.1 mm over 0 rainy days.The mean monthly precipitation over the year, including rain, hail and snow
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Bissau. While March receives considerable daily sunshine with up to 10.0 hours, August marks the darkest time of the year, where sunshine is scarce with only 4.0 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
Average water temperature
The mean water temperature over the year in Bissau ranges from 23°C in February to 27°C in July.
Water temperature over the year
Average humidity
The relative humidity is low throughout the year in Bissau.
Relative humidity over the year
The best time of year to visit Bissau in Mali
The best time to visit is during the drier months: January, February, March, April, May, November and December.Other facts from our historical weather data:
Rainy season in Bissau occurs in the months of July, August and September.
Yes, the months of January, February, March, April, May and December are very dry.
March has an average maximum temperature of 35°C and is the hottest month of the year.
The coolest month is January with an average maximum temperature of 30°C.
August tops the wettest month list with 461 mm of rainfall.
March is the driest month with 0 mm of precipitation.
March is the sunniest month with an average of 300 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.