Warm
Average highs sit around 32°C, giving warm days by monthly-average standards.
August verdict
French Guiana in August
Weather score70Very good
Very good for holiday weather
Average highs sit around 32°C, giving warm days by monthly-average standards. Sunshine averages 7.7h per day, enough for a balanced month. Rainfall averages 108mm, so some wet days are possible.
August weather
Monthly averages
Temp
32°C
Rain
108mm
Sun
7.7h
Sea
19°C
Weather score
70
Very good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 108mm, so some wet days are possible.
Some sun
Sunshine averages 7.7h per day, enough for a balanced month.
Cool sea
Sea temperatures average 19°C, so the water can feel cool.
Map
Weather map
Compare French Guiana with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
August32°C average high
August sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsAugust to November
This stretch sets the upper range for average daytime heat.
Rain
August108mm average rain
August sits on the drier side of French Guiana's year, which helps with sightseeing and transfers.
Driest monthsAugust to November
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
August7.7 hours average sun
August is brighter than French Guiana's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsAugust to November
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
August19°C average sea
August is close to French Guiana's usual sea temperature, with limited seasonal change in the water.
Warmest seaAll year
Sea temperatures stay warm enough for easy swimming through the year.
Weather score
August70 weather score
August scores above French Guiana's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsAugust to October
These months have the strongest weather score in the monthly averages.