Nantes monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Nantes

Nantes average temperature chart (Celsius) Nantes average temperature chart (Fahrenheit)
Average monthly temperatures in Nantes (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 9.4 12 14.5 17.9 21.5 24.1 23.6 21.4 17.1 11.9 8.8
°F 46.8 48.9 53.5 58.2 64.2 70.7 75.3 74.5 70.5 62.8 53.4 47.9

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

Nantes monthly rainfall chart (mm) Nantes monthly rainfall chart (inches)
Average monthly rainfall in Nantes (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 86 70 68 50 64 46 46 46 62 79 87 84
inches 3.4 2.8 2.7 2 2.5 1.8 1.8 1.8 2.4 3.1 3.4 3.3
Rainy days 17 15 15 14 16 11 10 11 12 14 16 16

Average annual rainfall in Nantes: 832.667mm (327.8 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Nantes

Nantes average daily sunshine chart
Average daily sunshine Nantes
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.6 3.9 5.2 6.7 7.4 8.6 9.2 8.3 6.9 5 3.4 2.6

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

Nantes average minimum / maximum temperatures (Celsius) Nantes average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Nantes (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.5 2.9 4.1 5.9 8.9 11.9 13.9 13.6 11.8 8.9 5.2 3.1
Max °C 8.4 9.6 12.2 14.8 18.1 21.8 24.3 23.9 21.7 17.3 12.1 9
Min °F 36.4 37.1 39.3 42.5 48 53.3 57 56.4 53.2 48 41.3 37.5
Max °F 41.7 43.2 46.6 50.5 56.3 62.2 66.4 65.7 62.1 55.6 47.5 42.8

Sea temperature

The graph below shows the average sea temperature.

Nantes average sea temperature chart (Celsius) Nantes average sea temperature chart (Fahrenheit)
Average sea temperature around Nantes in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 11.1 10.1 10.1 11.2 13.3 16 18 18.9 18.1 16.4 14.3 12.4
°F 51.9 50.2 50.2 52.1 56 60.8 64.4 65.9 64.5 61.6 57.8 54.3

Wind speed

The graph below shows the average wind speed.

Nantes average winspeed by month (km/h) Nantes average winspeed by month (mph)
Average wind speed in Nantes (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 16 16 16 14 13 13 13 13 13 14 16
mph 10 10 10 10 9 8 8 8 8 8 9 10

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Nantes relative humidity averages
Average relative humidity in Nantes
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 87% 80% 76% 77% 76% 74% 76% 78% 84% 88% 89%

Other monthly averages

UV index Best time to go?

Nantes weather stats

Nantes weather statistics
Hottest month: July 24.1°C 75.4°F
Driest month: June 46mm 1.8ins
Sunniest month: July 9.2hrs
Coldest month: January 8.2°C 46.8°F
Wettest month: November 87mm 3.4ins
Warmest sea: August 18.9°C 66°F
Map showing location of Nantes (47.21725, -1.55336) Nantes map pin © Google

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