Warm
Average highs sit around 31°C, giving warm days by monthly-average standards.
July verdict
French Guiana in July
Weather score58Good
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 199mm, so showers are a real planning factor.
July weather
Monthly averages
Temp
31°C
Rain
199mm
Sun
6.8h
Sea
19°C
Weather score
58
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Wet
Rainfall averages 199mm, so showers are a real planning factor.
Some sun
Sunshine averages 6.8h 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
July31°C average high
July is close to French Guiana's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsAugust to November
This stretch sets the upper range for average daytime heat.
Rain
July199mm average rain
July sits near French Guiana's yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsAugust 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 French Guiana'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
July19°C average sea
July 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
July58 weather score
July sits close to French Guiana'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.