City break

Nantes weather in August

Temperature, rain and sunshine in August: long-term averages from 30 years of weather data, not a forecast.

88

Holiday weather in August

Excellent

Best time to visit: May – September

What is the weather like in Nantes in August?

In August, Nantes is warm: daytime highs average 24 °C, and nights cool down to about 15 °C. The sun shines for around 8 hours a day. Rain falls on about 7 days, adding up to 44 mm. All in all, August is an excellent month for a holiday in Nantes.

August compared

How the weather changes from July to September. Tap a month to open it.

JulyJulAugustAugSeptemberSep
Score878885
Day24°24°22°
Night15°15°13°
Sun7 h8 h7 h
Rain days877

More details for August

Daylight
14 h 18 min07:02 – 21:20
UV index
7 · highclear sky, noon (estimate)All months
Muggy days
2 daysdew point 18 °C or moreAll months
Wind
17 km/haverage daily peakAll months
Cloud cover
53 %on averageAll months
Hot days
3 days30 °C or moreAll months
Time zone
UTC+2Europe/Paris

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %75 %
  • Few rainy daysweight 30 %77 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in August

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

Nantes in August: quick answers

Is Nantes hot in August?

Warm rather than hot: in August, daytime highs in Nantes average 24 °C and nights cool to about 15 °C. On about 3 days the thermometer climbs to 30 °C or more.

Does it rain much in Nantes in August?

Rain falls on about 7 days, adding up to 44 mm.

Nantes month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences