ClimateForecastDecemberJanuary >>

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

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.

    Forecast for Bissau

    Fri   Dec 13
    34°C | 21°C
    NE 14 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Dec 14
    33°C | 22°C
    S 11 km/h
    almost clear and no rain

    almost clear and no rain

    Sun   Dec 15
    34°C | 21°C
    SE 11 km/h
    partly cloudy and no rain

    partly cloudy and no rain