Temperatures in August
It's hot in August in French Guiana 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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for French Guiana in August. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of August
The month of August starts in French Guiana with hot temperatures, averaging around 33°C during the day and nights close to 23°C. Plenty of days with a chance of precipitation. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
Mid-August
By mid-August, the average daytime temperature stays the same at 33°C, with nights close to 24°C. During this part of the month, you can expect regular precipitation, but there’ll also be some sunny days. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
End of August
By the end of August, the average daytime temperature in French Guiana will be around 33°C, with nights close to 23°C. A shower might show up, but overall the weather will be dry and sunny. Breezy clothes like shorts or a dress, plus a hat and sunglasses, are ideal.
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Precipitation in August
In August, there is an average of 141 mm of precipitation, spread over 15 days. The wind speed is around 3 Bft, mostly coming from the East.
The average precipitation chance is 48% per day this month. Though it seems average, the weather’s variable. Some days have higher, others lower precipitation chances.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in August for French Guiana. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
French Guiana in August |
UK | ||
|---|---|---|---|
 Average Temperature |
32°C | 22°C | |
 High Temp |
33°C | 24°C | |
| Low Temp |
32°C | 19°C | |
 Total Precipitation |
141 mm | 60 mm | |
| Rainy Days |
15 days | 10 days | |
July
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.
Is August a good time to visit French Guiana?
After some sun? Then August isn’t the best time to be in French Guiana. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for French Guiana in August
With 37°C, French Guiana hit the highest temperature in the last 10 years in August 2023. The lowest daytime temperature in this month was 27°C in 2018. The extreme night temperatures ranged from a low of 18°C to a high of 25°C.
Check out the climate of French Guiana for all months and discover the best travel time
The climate of French Guiana is based on weather data from Cayenne. Other locations might have different weather. You can check out all destinations in French Guiana for a full picture of the climate.
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Daily Temperature in August in French Guiana
This chart shows the average daily temperatures, both day and night, for each day in August in French Guiana, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Weather experiences in August in French Guiana
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Although there is intense heat at times, heavy rains also fa... more
Daily Precipitation in August in French Guiana
The chart below shows the average daily precipitation in August for French Guiana, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for August, you can expect around 15 days of rain in French Guiana.
Daily UV Index in August in French Guiana
This chart shows the average daily UV index in August in French Guiana, 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.
Temperature in August in French Guiana Over the Years
This chart shows the average temperature in August in French Guiana, measured in degrees Celsius, over the past years.
Total Precipitation in August in French Guiana Over the Years
This chart shows the average precipitation in August in French Guiana, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in August for French Guiana
Click on a specific day in August for detailed info on the typical weather on that day in French Guiana. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in August in French Guiana
The weather in August in French Guiana is rated 3 out of 5 stars by 1 visitor. Have you been to French Guiana? Share your weather experience to help other visitors.
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Although there is intense heat at times, heavy rains also fall. It is therefore advisable to always be prepared for both scenarios.— This text is automatically translated to English
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Average Weather in French Guiana by Month
Click on a month below to see detailed weather info for French Guiana. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of French Guiana for all months at once
