Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
July verdict
Cayenne, French Guiana in July
Weather score60Good
Good for holiday weather
Average highs sit around 31°C, giving warm days by monthly-average standards. Sunshine averages 6.8h per day, enough for a balanced month. Rainfall averages 200mm, so showers are a real planning factor.
July weather
Monthly averages
Temp
31°C
Rain
200mm
Sun
6.8h
Sea
28°C
Weather score
60
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 200mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.8h per day, enough for a balanced month.
Warm sea
Sea temperatures average 28°C, so swimming is usually comfortable by monthly-average standards.
Map
Weather map
Compare Cayenne, French Guiana with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July31°C average high
July is close to Cayenne's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJuly to November
This stretch sets the upper range for average daytime heat.
Rain
July200mm average rain
July sits on the drier side of Cayenne's year, which helps with sightseeing and transfers.
Driest monthsJuly to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July6.8 hours average sun
July sits close to Cayenne's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July28°C average sea
July is part of a consistently warm sea-temperature pattern, so swimming comfort changes little through the year.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
July60 weather score
July sits close to Cayenne's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.