March weather forecast
Bissau, Guinea-Bissau

Progressing into March, the weather situations exhibit significant differences from the previous month. While the temperatures keep their steady climb, hitting a high of 33.9°C (93°F) during the day, noticeably longer daylight hours bring out Bissau's vibrant city life. The increase in sea temperatures and higher UV index, add more possibilities for aquatic endeavors and sun-soaked leisure. Despite an increment in rainfall, the city remains relatively dry. A refreshing March enables residents and tourists to enjoy a comfortable stay.

Temperature

With its high average temperature of 33.9°C (93°F) and a low of 19.4°C (66.9°F), March is regarded as the warmest month.

Rainfall

The months with the least rainfall are January and March with 1mm (0.04") of accumulated rain.

Sea temperature

In Bissau, the average seawater temperature in March is 25.1°C (77.2°F).
Note: In water temperatures ranging between 25°C (77°F) and 29°C (84.2°F), activities such as swimming and diving become highly pleasurable for long durations.

Daylight

The average length of the day in March is 12h and 4min.
On the first day of the month, sunrise is at 07:17 and sunset at 19:12. On the last day of March, in Bissau, sunrise is at 06:59 and sunset at 19:13 GMT.

Sunshine

The months with the most sunshine in Bissau are March and April, with an average of 9h of sunshine.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 12 in March translates into this advice:
Carry out all crucial safety measures, unprotected skin may burn instantly. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Apply generously and frequently a broad-spectrum SPF 30+ sunscreen every two hours, or immediately after swimming or any outdoor exercise. Heads up! Sand and water reflection magnifies the UV exposure from the Sun.