June weather forecast
Cayenne, French Guiana

Cayenne, French Guiana, sees a decline in June's total rainfall as the wet season gradually recedes. Temperatures stay fairly constant, both on land and in the sea. The atmosphere showcases an intricate dance between thunderstorms and daylight hours. Greenery thrives in the rain-soaked soil, painting landscapes with hues of fresh green. A reduction to 411mm (16.18") of rainfall distinctly sets June apart from its preceding month.

Temperature

June begins with an average high-temperature of a tropical 30.2°C (86.4°F), reflecting close similarity to the preceding month. Throughout June, an average nighttime temperature of 22.9°C (73.2°F) is experienced.

Rainfall

In Cayenne, during June, the rain falls for 25.2 days and regularly aggregates up to 411mm (16.18") of precipitation. Throughout the year, there are 221.1 rainfall days, and 3516mm (138.43") of precipitation is accumulated.

Sea temperature

In Cayenne, in June, the average water temperature is 28.4°C (83.1°F).
Note: Water temperature ranging between 25°C (77°F) and 29°C (84.2°F) is considered very warm and pleasing for everyone. It allows for enjoyable water activities over extended periods without discomfort.

Daylight

With an average of 12h and 24min of daylight, June has the longest days of the year in Cayenne, French Guiana.
On the first day of the month, sunrise is at 06:15 and sunset at 18:38. On the last day of June, in Cayenne, French Guiana, sunrise is at 06:20 and sunset at 18:45 -03.

Sunshine

In June, the average sunshine in Cayenne, French Guiana, is 5h.

UV index

The months with the highest UV index are January through June, August through November, with an average maximum UV index of 12. A UV Index value of 11, and more, symbolizes an extreme health hazard from exposure to the Sun's UV rays for the average person.
Note: An average UV index of 12 in June transforms into this advice:
Execute all crucial precautions. Warding off sun exposure is non-negotiable. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Directly after outdoor activities or swimming, a broad-spectrum sunscreen with SPF 30+ should be applied generously and reapplied frequently. Be cautious! Sand and water surfaces make the Sun's UV rays more potent.