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French Guiana weather

Weather in French Guiana for August 2026

Your guide to French Guiana weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in French Guiana at the beginning of August is 30.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 31.7 °C by the end of August.

    • Rain 🌧️

  • The climate of French Guiana in August is notably wet, with an average of 11 rainy days, and a total of 35.6 mm of precipitation.

Average dry days
20
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/23°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
76 %
Avg humidity

French Guiana Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
30°
2
Patchy rain possible
31°
3
Thundery outbreaks possible
31°
4
Patchy rain possible
31°
5
Patchy rain possible
30°
6
Partly cloudy
31°
7
Partly cloudy
29°
8
Patchy rain possible
30°
9
Patchy rain possible
30°
10
Patchy rain possible
31°
11
Patchy rain possible
31°
12
Patchy rain possible
32°
13
Patchy rain possible
31°
14
Partly cloudy
32°
15
Partly cloudy
31°
16
Partly cloudy
32°
17
Partly cloudy
31°
18
Mist
32°
19
Mist
32°
20
Partly cloudy
32°
21
Patchy rain possible
32°
22
Heavy rain at times
31°
23
Sunny
32°
24
Moderate rain at times
32°
25
Patchy rain possible
32°
26
Patchy rain possible
32°
27
Patchy rain possible
32°
28
Patchy rain possible
32°
29
Overcast
31°
30
Patchy rain possible
31°
31
Patchy rain possible
32°

What’s the Weather Like in French Guiana This August?

Discover the average temperatures and weather trends across French Guiana’s cities this August.
Patchy rain possibleMacouria31 °C / 23 °CPatchy rain possibleCayenne31 °C / 23 °CPatchy rain possibleMatoury31 °C / 23 °CMore Locations

Temperatures trend during August in French Guiana

See the weather trend as well as the moving average line

August weather in French Guiana day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Partly cloudy
Partly cloudy
 30° /23° 2.5 mm 7
2 Aug. Patchy rain possible
Patchy rain possible
 31° /22° 4.7 mm 7
3 Aug. Thundery outbreaks possible
Thundery outbreaks possible
 31° /21° 4 mm 8
4 Aug. Patchy rain possible
Patchy rain possible
 31° /22° 1.4 mm 8
5 Aug. Patchy rain possible
Patchy rain possible
 30° /23° 3.7 mm 7
6 Aug. Partly cloudy
Partly cloudy
 31° /22° 4.8 mm 8
7 Aug. Partly cloudy
Partly cloudy
 29° /22° 5.8 mm 7
8 Aug. Patchy rain possible
Patchy rain possible
 30° /23° 4.9 mm 7
9 Aug. Patchy rain possible
Patchy rain possible
 30° /22° 6.1 mm 7
10 Aug. Patchy rain possible
Patchy rain possible
 31° /23° 1.1 mm 7
11 Aug. Patchy rain possible
Patchy rain possible
 31° /23° 1.7 mm 7
12 Aug. Patchy rain possible
Patchy rain possible
 32° /22° 0.5 mm 7
13 Aug. Patchy rain possible
Patchy rain possible
 31° /23° 1.9 mm 7
14 Aug. Partly cloudy
Partly cloudy
 32° /22° 4.1 mm 8
15 Aug. Partly cloudy
Partly cloudy
 31° /22° 0.2 mm 8
16 Aug. Partly cloudy
Partly cloudy
 32° /22° 0 mm 8
17 Aug. Partly cloudy
Partly cloudy
 31° /22° 0 mm 8
18 Aug. Mist
Mist
 32° /22° 1.5 mm 8
19 Aug. Mist
Mist
 32° /23° 1.7 mm 7
20 Aug. Partly cloudy
Partly cloudy
 32° /23° 0 mm 8
21 Aug. Patchy rain possible
Patchy rain possible
 32° /22° 1.8 mm 7
22 Aug. Heavy rain at times
Heavy rain at times
 31° /23° 2.7 mm 7
23 Aug. Sunny
Sunny
 32° /22° 0.9 mm 7
24 Aug. Moderate rain at times
Moderate rain at times
 32° /22° 0.5 mm 7
25 Aug. Patchy rain possible
Patchy rain possible
 32° /23° 1.1 mm 7
26 Aug. Patchy rain possible
Patchy rain possible
 32° /23° 0.3 mm 7
27 Aug. Patchy rain possible
Patchy rain possible
 32° /23° 0.8 mm 7
28 Aug. Patchy rain possible
Patchy rain possible
 32° /23° 2.6 mm 7
29 Aug. Overcast
Overcast
 31° /22° 3.6 mm 7
30 Aug. Patchy rain possible
Patchy rain possible
 31° /23° 0.7 mm 7
31 Aug. Patchy rain possible
Patchy rain possible
 32° /23° 0.2 mm 7
Next
Important Notice
Our weather forecast for French Guiana in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the French Guiana forecast closer to your planned date for the most up-to-date weather information.
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French Guiana in August - FAQ

What are the expected maximum and minimum temperatures in French Guiana during August?
During August, expect a variety of temperatures with highs around 31° and lows near 23°, suitable for diverse activities and preferences.
How much rainfall should be expected in French Guiana during August?
In August, French Guiana can expect light to moderate rainfall, totaling 35.6 mm across approximately 11 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in French Guiana during August?
The average wind speed in French Guiana during August is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in French Guiana

Explore the daily rainfall trends and prepare for French Guianas August weather 💧

UV exposure in French Guiana during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
Regions in French Guiana
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Guyane
Top locations in French Guiana
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CayenneMacouriaMatoury
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Location coordinates Where is French Guiana?

Get accurate weather forecasts for French Guiana, located at latitude 4.912 and longitude -52.374. Stay updated with localized weather information tailored for French Guiana.

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