July weather forecast
Bissau, Guinea-Bissau

Bissau witnesses its heaviest rainfall of the year during July with precipitation levels reaching 473mm (18.62"). The sea temperature plateaus at around 28.6°C (83.5°F), compounding the existing humidity. Despite the deluge, the city experiences the longest daylight hours and maintains a consistent UV index, marking it among the highest of the year. While the increased rainfall might deter some outdoor activities, it brings lush greenery to life, transforming Bissau into a verdantly stunning panorama.

Temperature

Bissau's temperature records reveal July as the coldest month, marked by average highs of 29.4°C (84.9°F) and lows of 22.8°C (73°F).

Rainfall

In July, in Bissau, Guinea-Bissau, the rain falls for 18 days. Throughout July, 473mm (18.62") of precipitation is accumulated. Throughout the year, there are 86 rainfall days, and 2023mm (79.65") of precipitation is accumulated.

Sea temperature

In July, the average sea temperature in Bissau, Guinea-Bissau, is 28.6°C (83.5°F).
Note: Engaging in swimming, diving, or other water activities is highly enjoyable in temperatures ranging from 25°C (77°F) to 29°C (84.2°F), without any unpleasant sensations for prolonged durations.

Daylight

In July, the average length of the day in Bissau is 12h and 44min.
On the first day of the month, sunrise is at 06:42 and sunset at 19:30. On the last day of July, sunrise is at 06:49 and sunset at 19:28 GMT.

Sunshine

In Bissau, the average sunshine in July is 6h.

UV index

February through September, with an average maximum UV index of 12, are months with the highest UV index in Bissau. A UV Index value of 11, and more, symbolizes an ultimate health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 12 during July, leads to the following recommendations:
Undertake all key precautions, as unprotected skin and eyes may get burns in no time. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. One must apply and reapply generously an SPF 30+ broad-spectrum sunscreen every two hours or after an outdoor workout or swim. Be on guard! The reflective nature of sand and water boosts UV exposure.