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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

4/23
Thursday
Sunny
101.4°F/69.6°F
4/24
Friday
Sunny
107.2°F/70.5°F
4/25
Saturday
Sunny
107°F/68°F
4/26
Sunday
Sunny
107.5°F/67°F
4/27
Monday
Sunny
105.4°F/67.5°F
4/28
Tuesday
Sunny
106.6°F/66.7°F
4/29
Wednesday
Sunny
106.1°F/67°F

Guinea-Bissau Frequently Asked Questions and Useful Information for Travel

Is it safe to travel to Guinea-Bissau?

Travel to Guinea-Bissau is currently advised with caution. Travelers are encouraged to reconsider travel due to factors such as civil unrest and crime. It is important to stay informed about the local situation and take necessary precautions.

Is Guinea-Bissau worth visiting?

Guinea-Bissau offers a unique travel experience for those seeking to discover a country that preserves ancient traditions, celebrates vibrant carnivals, and boasts pristine beaches where saltwater hippos can be found. It is a destination for the adventurous traveler looking for an authentic experience.

Can Americans go to Guinea-Bissau?

Foreign nationals, including Americans, can travel to Guinea-Bissau. However, a visa is typically required unless you are from a visa-exempt country. Visas can be obtained through diplomatic missions or via an online pre-enrollment form, often referred to as an online visa.

What are the main environmental concerns in Guinea-Bissau?

Guinea-Bissau is susceptible to natural disasters, particularly floods in low-lying areas, which can impact agricultural land. Rising sea levels and a lack of adequate anti-salt dikes also pose a threat to the country's vital mangrove ecosystems.

What kind of cultural experiences can I expect in Guinea-Bissau?

Guinea-Bissau is known for its rich cultural heritage, with ancient traditions still very much alive. Travelers can experience lively carnivals and engage with the local communities. The country's cultural tapestry is woven with unique customs and vibrant celebrations.