Mild
Average highs are around 24°C, so days are mild rather than hot.
Weather Guide
Nantes, France Average Monthly Weather
Weather score34Poor annual avg
Best months: July, August, June
Across the year, average daytime temperatures are around 16°C, sunshine averages 5.3h per day, and rainfall totals about 787mm. Sea temperatures average 14°C across the year.
Annual weather
Annual averages
Temp
16°C
Rain
787mm
Annual total
Sun
5.3h
Sea
14°C
Weather score
34
Poor avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 46mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.5h per day, so bright days are a strong part of the month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Weather map
Compare Nantes, France with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July24°C average high
July is one of Nantes' warmest months, with daytime heat above the yearly average.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
July46mm average rain
July is one of Nantes' driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsFebruary to September
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July8.5 hours average sun
July is one of Nantes' sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
July18°C average sea
July is one of Nantes' warmest sea months, when swimming comfort is usually strongest.
Warmest seaJune to September
Sea temperatures are usually near 17°C in this stretch, so swimming comfort is at its strongest.
Weather score
July61 weather score
July is one of Nantes' best weather-score months, combining the strongest overall balance in the yearly averages.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.