Average weather for French Guiana 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.
Start of August
The month of August starts in French Guiana with hot temps, averaging around 33°C during the day and nights around 23°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of August
By the end of August, the average daytime temperature in French Guiana 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. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
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.
French Guiana in August |
New York | ||
|---|---|---|---|
 Average temperature |
32°C | 30°C | |
 Max. temperature |
33°C | 31°C | |
| Min. temperature |
32°C | -5°C | |
 Total precipitation |
141 mm | 79 mm | |
| Rainy days |
15 days | 13 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?
Looking for sun? August isn’t a good month to be in French Guiana. The temperature is nice, but there’s too much chance of rain.
Temperature records
With 37°C in 2023, French Guiana 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.
Check out the climate of French Guiana for all months and discover the best travel time
The climate in French Guiana is based on weather data from Cayenne. Other spots might have different weather. You can check out all destinations in French Guiana to get the full picture of the climate.
Daily Temperature in August in French Guiana
This chart shows the average daily high and low temperatures in August for French Guiana, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Weather experiences in August in French Guiana
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Although there is sometimes intense heat, there are also hea... more
Daily Precipitation in August in French Guiana
The chart below shows the average daily precipitation in August for French Guiana, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed 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 it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for August, you can expect about 15 days of precipitation 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 few years.
Total precipitation in August in French Guiana over the years
This chart shows the average precipitation in August in French Guiana, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in August for French Guiana
Click on any day in August to get detailed info about the usual 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 sometimes intense heat, there are also heavy rainstorms. Therefore, it is 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
