Cayenne weather live forecast

Today's maximum temperature in Cayenne is expected to be 28°C. Select a day from the live weather forecast for Cayenne, French Guiana for more weather parameters.

Sunday
7th Dec
28

27

3

10
Monday
8th Dec
27

27

4

7
Tuesday
9th Dec
28

26

4

6
Wednesday
10th Dec
28

26

4

8
Thursday
11th Dec
28

27

3

11

5-day weather forecast updated at 04:01 on Sunday 7th December 2025 GMT

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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.

Cayenne weather forecast by day

Below are the detailed weather forecasts for Cayenne for the next 5 days.

Cayenne weather for Sunday 7th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 13 kph from the east.

28
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
10
UV index (Very High)
73
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
13
kph wind from E

Cayenne weather for Monday 8th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a light breeze of 12 kph from the east.

27
°C maximum temperature
27
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
7
UV index (High)
82
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

Cayenne weather for Tuesday 9th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and a gentle breeze of 13 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
72
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from E

Cayenne weather for Wednesday 10th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 84% chance of some rain and a light breeze of 12 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
8
UV index (Very High)
84
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

Cayenne weather for Thursday 11th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 11+ (Extreme) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 13 kph from the east.