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Bissau
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Bissau Weather and Climate: A Comprehensive Guide

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 maximum day and minimum night temperature

In Bissau temperatures are generally consistent throughout the year. Average maximum 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 drop to an average of around 21°C during these months. Check out our detailed temperature page for more information.

Temperature ranges by month

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. For more details, please visit our Bissau Precipitation page.

The mean monthly precipitation over the year, including rain, hail and snow

The average number of days each month with precipitation

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. Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

Average water temperature

The mean water temperature over the year ranges from 23°C in February to 27°C in July.

Water temperature over the year

Average humidity

The relative humidity is high throughout the year in Bissau.

The city experiences its highest humidity in August, reaching 85%. In January, the humidity drops to its lowest level at 43%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Forecast for Bissau

Tue   Jan 14
35°C | 19°C
NE 4 m/s
broken clouds and no rain

broken clouds and no rain

hourly forecast
Wed   Jan 15
36°C | 19°C
NE 5 m/s
almost clear and no rain

almost clear and no rain

hourly forecast
Thu   Jan 16
35°C | 19°C
NE 5 m/s
broken clouds and no rain

broken clouds and no rain

hourly forecast
5-Day Forecast 10-Day Forecast

Select a Month of Interest

Check the conditions for any month of 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:
  • When is the rainy season in Bissau?
    Rainy season in Bissau occurs in the months of July, August and September.
  • Does Bissau have a dry season?
    Yes, the months of January, February, March, April, May and December are very dry.
  • Which is the hottest month in Bissau?
    March has an average maximum temperature of 35°C and is the hottest month of the year.
  • Which is the coolest month in Bissau?
    The coolest month is January with an average maximum temperature of 30°C.
  • Which is the wettest month in Bissau?
    August tops the wettest month list with 461 mm of rainfall.
  • Which is the driest month in Bissau?
    March is the driest month with 0 mm of precipitation.
  • Which is the sunniest month in Bissau?
    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.

     

     


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