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Guinea-Bissau

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Guinea-Bissau Weather, Climate and Best Time to Visit

Data source:Meteostat
Update date:2025-09

Guinea-Bissau year round climate

  • Spring (March-May): Average 82–83°F, hot and dry climate with very little rainfall. Common activities: Visiting historical sites, exploring nature reserves. Recommended clothing: Light, breathable cotton clothing, hat, sun protection clothing.
  • Summer (June-August): Average 79–80°F, hot and humid, heavy rainfall, especially in August. Common activities: Indoor activities such as visiting museums, enjoying local cuisine. Recommended clothing: Light, breathable clothing, rain gear.
  • Autumn (September-November): Average 79–81°F, warm and humid climate, rainfall gradually decreasing. Common activities: Outdoor activities such as short trips, visiting beaches. Recommended clothing: Light, breathable clothing, rain gear.
  • Winter (December-February): Average 81–83°F, hot and dry climate with almost no rainfall. Common activities: Outdoor activities such as visiting markets, experiencing local culture. Recommended clothing: Light, breathable clothing.

Guinea-Bissau climatological average

Annual average temperature: approx. 81.5°F / Annual rainfall: approx. 1604 mm / Summer humidity: 75%–85% / Rainiest month: August

Guinea-Bissau monthly average temperature and precipitation

Month
Air temperature (°F)
Precipitation (mm)
January
81.7°F
0
February
83.5°F
0
March
83.5°F
0
April
82.6°F
0
May
83.3°F
7.6
June
81°F
159.6
July
79.9°F
423.2
August
79.5°F
466.5
September
79.9°F
263.4
October
80.1°F
280.7
November
81.5°F
1.4
December
81.9°F
1.6

Guinea-Bissau weather for the next seven days

1/13
Tuesday
Sunny
102.2°F/67.2°F
1/14
Wednesday
Sunny
100.3°F/66.3°F
1/15
Thursday
Sunny
99.9°F/65.6°F
1/16
Friday
Sunny
101.2°F/63.9°F
1/17
Saturday
Sunny
101.3°F/64°F
1/18
Sunday
Sunny
100.8°F/63.4°F
1/19
Monday
Sunny
99.1°F/64.1°F