Cayenne Weather in May

French Guiana · May climate averages and travel tips

Avg high28°C (82°F)
Avg low25°C (77°F)
Rainfall501 mm (19.7 in)
RatingPoor 2.9/10

Cayenne in May sees daytime temperatures around 28°C (82°F), dropping to about 25°C (77°F) at night. The month is very wet, with about 501 mm (19.7 in) of rain spread over 29 days, making it the wettest month of the year. Humidity averages 89%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.2 hours of daylight and frequently cloudy skies.

Is May a good time to visit Cayenne?

May is not the best time to visit Cayenne (2.9/10) mainly because of the rain. The weather is much better in September and October.

May weather at a glance

Average high28°C (82°F)
Average low25°C (77°F)
Daily mean26°C (79°F)
Rainfall501 mm (19.7 in)
Rainy days (1 mm+)29
Humidity89%
Cloud cover80%
Daylight12.2 hours
Est. sunshine2.7 hours/day
Wind7 km/h
vs AprilAbout as warm as April, with 126 mm more rain.

What to pack for Cayenne in May

Cayenne weather in other months

Jan28°C / 25°C314 mmPoorFeb28°C / 25°C301 mmPoorMar28°C / 25°C261 mmPoorApr28°C / 25°C375 mmPoorMay28°C / 25°C501 mmPoorJun28°C / 25°C297 mmPoorJul28°C / 25°C225 mmPoorAug29°C / 25°C112 mmPoorSep29°C / 25°C51 mmGoodOct30°C / 25°C57 mmGoodNov30°C / 25°C121 mmPoorDec28°C / 25°C328 mmPoor

← AprilBest time to visit CayenneJune →

Better weather in May nearby

Nearby in May

Where else is good in May? See where to go in May.