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 28-28.6°C, 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 26.4-27.2°C, 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 26.6-27.5°C, 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 27.6-28.6°C, 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. 27.5°C / Annual rainfall: approx. 1604 mm / Summer humidity: 75%–85% / Rainiest month: August
Guinea-Bissau monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
27.6°C
0
February
28.6°C
0
March
28.6°C
0
April
28.1°C
0
May
28.5°C
7.6
June
27.2°C
159.6
July
26.6°C
423.2
August
26.4°C
466.5
September
26.6°C
263.4
October
26.7°C
280.7
November
27.5°C
1.4
December
27.7°C
1.6
Guinea-Bissau weather for the next seven days
11/28
Friday
Sunny
35.8°C/20.4°C
11/29
Saturday
Sunny
35.5°C/20.1°C
11/30
Sunday
Sunny
36.2°C/20.1°C
12/1
Monday
Sunny
35.6°C/20.4°C
12/2
Tuesday
Sunny
35°C/20.2°C
12/3
Wednesday
Sunny
34.7°C/20.9°C
12/4
Thursday
Sunny
35.5°C/23.1°C
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