French Guiana weather live forecast

Today's maximum temperature in French Guiana is expected to be 29°C. Select a day from the live weather forecast for French Guiana (Cayenne) for more weather parameters.

Friday
21st Nov
29

27

5

8
Saturday
22nd Nov
29

27

5

8
Sunday
23rd Nov
30

26

6

9
Monday
24th Nov
30

26

7

10
Tuesday
25th Nov
30

26

3

11

5-day weather forecast updated at 04:00 on Friday 21st November 2025 GMT

More about French Guiana

French Guiana by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for French Guiana

Auto Europe: Cheap car hire deals worldwide

Sale

Compare car hire prices to find lowest rate
Free cancellation up to 48 hours before pick up
Book car hire for over 20,000 destinations worldwide

Go to Auto Europe deal >>

View all Auto Europe offers

The 5-day weather forecast for French Guiana, represented by Cayenne, (Cayenne) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

French Guiana weather forecast by day

Below are the detailed weather forecasts for French Guiana for the next 5 days. The forecasts shown are for Cayenne and may not represent the whole of French Guiana. Browse more destinations in French Guiana to view more weather forecasts.

French Guiana weather for Friday 21st November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 24% chance of some rain and a light breeze of 12 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
24
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Saturday 22nd November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 52% chance of some rain and a light breeze of 12 kph from the east.

29
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
8
UV index (Very High)
52
% chance of some rain
<2
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from E

French Guiana weather for Sunday 23rd November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 14 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
60
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

French Guiana weather for Monday 24th November 2025

Expect broken clouds in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

30
°C maximum temperature
26
°C minimum temperature
broken clouds
7
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from E

French Guiana weather for Tuesday 25th November 2025

Expect isolated thunderstorms in French Guiana with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 11+ (Extreme) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 13 kph from the north-east.