UV Index
UV Index
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Today's UV index in Bissau, Guinea-Bissau 
will be up to 7.6, indicating a high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With Bissau's UV index reaching 7.6, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.
The UV index in Bissau, Guinea-Bissau typically ranges from low to very high. In the summer months, the index can often reach very high levels.
Bissau has two main seasons: a dry season from November to May and a wet season from June to October. The wet season is characterized by heavy rainfall and high humidity, while the dry season is cooler and more comfortable.
Compared to its region and neighboring countries, Bissau has a tropical climate with high temperatures and humidity throughout the year. In contrast, neighboring Senegal has a desert climate in the north and a more mild climate in the south, while Guinea to the southeast has a wet and humid climate year-round.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Bissau. It's designed to provide you with a better understanding of the yearly weather and sun exposure.