French GuianaThe weather in August in Cayenne
It's hot in August in Cayenne with an average temperature of 32°C. Temperatures this month range from a low of 32°C to a high of 33°C. At night, you can expect temperatures between 23°C and 24°C.
Looking for sun? August isn’t a good month to be in Cayenne. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Cayenne, French Guiana. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 37°C in 2023, Cayenne reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 27°C in 2018. The extreme nighttime temperatures ranged from a lowest recorded value of 18°C to a highest value of 25°C.
Rainfall amount
In August, there is an average of 141 mm of precipitation, spread over 17 days. The wind speed is around 3 Bft, mostly coming from the East.
Daily weather in August for Cayenne
Click on any day in August to get detailed info about the usual weather on that day in Cayenne. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Cayenne | New York | |
|---|---|---|
| Average temperature | 32°C | 30°C |
| Max. temperature | 33°C | 31°C |
| Min. temperature | 23°C | -5°C |
| Total precipitation | 141 mm | 79 mm |
| Rainy days | 17 days | 13 days |
Start of August
The month of August starts in Cayenne with hot temps, averaging around 33°C during the day and nights around 23°C.
Mid August
By mid-August, daytime temps stay steady at around 33°C, with nights around 24°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of August
By the end of August, the average daytime temperature in Cayenne is around 33°C, while nighttime temps are about 23°C. A shower might pop up, but overall, the weather will be dry and sunny.
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UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Cayenne for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in August in Cayenne, French Guiana. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Cayenne
Temperature in August in Cayenne over the years
Precipitation charts
These charts show the average amount of precipitation in August in Cayenne, French Guiana. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Cayenne
Total precipitation in August in Cayenne over the years
Daily UV index in August in Cayenne
This chart shows the average daily UV index in August in Cayenne, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Cayenne
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Average weather in Cayenne by month
Click on a month below to see detailed weather info for Cayenne. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.