August Weather in Cayenne

Last updated: March 2, 2024

The weather in Cayenne, French Guiana, during August is characterized by an average temperature of 27°C (81°F). Highs can soar to 31°C (88°F), while lows may dip to 24°C (76°F). Typically, the humidity level in Cayenne throughout August hovers around 80%.

24°C (76°F)

Minimum temperature

27°C (81°F)

Average temperature

31°C (88°F)

Maximum temperature

80%

Humidity

Precipitation and Sunshine hours

In August, Cayenne averages 92 mm (3.6 inches) of rainfall, typically over the course of 18 rainy days. The month enjoys an average of 12 hours 15 minutes of daylight, with the sun shining for approximately 11 hours 10 minutes each day. Additionally, there is a 41% probability of sunny days during this period.

92 mm (3.6 inches)

Precipitation

18 rainy days

Rainy days

11 hours 10 minutes

Sunshine hours

41%

Chance of sun

UV Index

In August, the UV Index in Cayenne reaches a maximum of 13, indicating a level of Extreme exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 10 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00
UVI	1	2	4	8	11	13	13	11	7	4	2	1	0
Exposure	Low		Moderate	VeryHigh	Extreme				High	Moderate	Low
Time to burn	45 min		30 min	15 min	10 min				25 min	30 min	45 min