UTC Offset
UTC-03:00
Cayenne, French Guiana Snapshot 2026
Where is Cayenne?
Cayenne, French Guiana
- Continent
- Americas
- Country
- French Guiana
- City
- Cayenne
- Population
- 61.6K
- Coordinates
- 4.94°, -52.33°
Cayenne is the capital of French Guiana, with a population of approximately 61.6K. Average temperatures range from 23°C (74°F) in June to 32°C (89°F) in September. The best time to visit is January, February, December.
Time in Cayenne right now
Open full time & time zone page 05:09 09
Wednesday, June 17, 2026
IANA time zone
America/Cayenne
Daylight saving
No DST
Next DST change
—
Live weather in Cayenne
Daylight in Cayenne today
View full sunrise & sunset page Sunrise
Sunset
Day length
12h 24m
Climate normals for Cayenne
Long-term monthly averages based on historical data.
January best
Wet 
February best
Wet March
Wet April
Wet May
Wet June
Wet July
Wet August
Wet September
Poor October
Poor November
Wet December best
Wet | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 28°C / 24°C | 31°C / 27°C | 24days (257 mm) Wet | 9.2h Good | 85% Humid | 7.8 Very High | Wet | View Details |
| February best | 28°C / 24°C | 31°C / 27°C | 21days (262 mm) Wet | 8.5h Good | 84% Humid | 8.2 Very High | Wet | View Details |
| March | 28°C / 24°C | 32°C / 27°C | 22days (214 mm) Wet | 9.4h Good | 82% Humid | 8.8 Very High | Wet | View Details |
| April | 28°C / 24°C | 33°C / 28°C | 26days (366 mm) Wet | 8.4h Good | 86% Very Muggy | 8.5 Very High | Wet | View Details |
| May | 28°C / 24°C | 33°C / 28°C | 30days (539 mm) Wet | 7.9h Good | 90% Very Muggy | 7.6 Very High | Wet | View Details |
| June | 29°C / 23°C | 34°C / 28°C | 29days (415 mm) Wet | 8.8h Good | 89% Very Muggy | 8.2 Very High | Wet | View Details |
| July | 29°C / 24°C | 35°C / 28°C | 28days (271 mm) Wet | 9.9h Good | 87% Very Muggy | 8.5 Very High | Wet | View Details |
| August | 31°C / 24°C | 36°C / 28°C | 18days (126 mm) Wet | 10.8h Excellent | 81% Humid | 8.8 Very High | Wet | View Details |
| September | 32°C / 25°C | 37°C / 29°C | 10days (63 mm) Wet | 10.9h Excellent | 77% Humid | 9.1 Very High | Poor | View Details |
| October | 32°C / 25°C | 37°C / 29°C | 11days (65 mm) Wet | 10.7h Excellent | 77% Humid | 8.8 Very High | Poor | View Details |
| November | 30°C / 24°C | 35°C / 29°C | 21days (191 mm) Wet | 9.9h Good | 83% Humid | 8.3 Very High | Wet | View Details |
| December best | 28°C / 24°C | 33°C / 27°C | 27days (316 mm) Wet | 9.1h Good | 87% Very Muggy | 7.7 Very High | Wet | View Details |
Monthly Temperatures
HighLow
Line chart showing monthly temperatures. Jan: 28°C / 24°C . Feb: 28°C / 24°C . Mar: 28°C / 24°C . Apr: 28°C / 24°C . May: 28°C / 24°C . Jun: 29°C / 23°C . Jul: 29°C / 24°C . Aug: 31°C / 24°C . Sep: 32°C / 25°C . Oct: 32°C / 25°C . Nov: 30°C / 24°C . Dec: 28°C / 24°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 257 mm. Feb: 262 mm. Mar: 214 mm. Apr: 366 mm. May: 539 mm. Jun: 415 mm. Jul: 271 mm. Aug: 126 mm. Sep: 63 mm. Oct: 65 mm. Nov: 191 mm. Dec: 316 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 85%. Feb: 84%. Mar: 82%. Apr: 86%. May: 90%. Jun: 89%. Jul: 87%. Aug: 81%. Sep: 77%. Oct: 77%. Nov: 83%. Dec: 87%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 18 km/h . Feb: 20 km/h . Mar: 19 km/h . Apr: 18 km/h . May: 16 km/h . Jun: 14 km/h . Jul: 13 km/h . Aug: 14 km/h . Sep: 15 km/h . Oct: 16 km/h . Nov: 16 km/h . Dec: 17 km/h .
Sea Temperature
Sea Temperatureswim
Line chart showing monthly sea temperature. Jan: 28°C . Feb: 28°C . Mar: 28°C . Apr: 29°C . May: 29°C . Jun: 29°C . Jul: 30°C . Aug: 30°C . Sep: 30°C . Oct: 30°C . Nov: 30°C . Dec: 29°C .
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 8. Feb: UV 8. Mar: UV 9. Apr: UV 9. May: UV 8. Jun: UV 8. Jul: UV 9. Aug: UV 9. Sep: UV 9. Oct: UV 9. Nov: UV 8. Dec: UV 8.
Frequently Asked Questions
Cayenne has a population of approximately 61.6K.
Yes, Cayenne is the capital of French Guiana.
The best months to visit Cayenne are January, February, December, when temperatures are pleasant and rainfall is lower.
Cayenne receives approximately 3085mm of rainfall annually across 267 rainy days.
Cayenne is located in French Guiana, in the Americas region.