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
14th Dec
28

26

2

5
Monday
15th Dec
27

26

2

6
Tuesday
16th Dec
27

26

3

6
Wednesday
17th Dec
27

25

2

7
Thursday
18th Dec
28

25

3

6

5-day weather forecast updated at 04:00 on Sunday 14th 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 14th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 14 kph from the east.

28
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
5
UV index (Moderate)
75
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
14
kph wind from E

Cayenne weather for Monday 15th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 79% chance of some rain and a light breeze of 12 kph from the east.

27
°C maximum temperature
26
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
6
UV index (High)
79
% chance of some rain
<30
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

Cayenne weather for Tuesday 16th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 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
26
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
6
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 Wednesday 17th 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 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 78% chance of some rain and a light breeze of 11 kph from the north-east.

27
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
7
UV index (High)
78
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
11
kph wind from NE

Cayenne weather for Thursday 18th December 2025

Expect isolated thunderstorms in Cayenne, French Guiana with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 78% chance of some rain and a light breeze of 11 kph from the north-east.