Hérouville-Saint-Clair monthly weather averages

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at Hérouville-Saint-Clair

Hérouville-Saint-Clair average temperature chart (Celsius) Hérouville-Saint-Clair average temperature chart (Fahrenheit)
Average monthly temperatures in Hérouville-Saint-Clair (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7.3 8 10.4 12.7 16.3 19.2 21.5 21.6 19.6 15.8 11 8.2
°F 45.2 46.4 50.8 54.9 61.3 66.6 70.8 70.9 67.4 60.5 51.8 46.7

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.

Hérouville-Saint-Clair monthly rainfall chart (mm) Hérouville-Saint-Clair monthly rainfall chart (inches)
Average monthly rainfall in Hérouville-Saint-Clair (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 62 55 54 44 56 50 46 45 60 67 83 67
inches 2.4 2.2 2.1 1.7 2.2 2 1.8 1.8 2.4 2.6 3.3 2.6
Rainy days 18 15 17 14 15 12 11 12 13 15 18 17

Average annual rainfall in Hérouville-Saint-Clair: 738.1mm (290.6 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in Hérouville-Saint-Clair

Hérouville-Saint-Clair average daily sunshine chart
Average daily sunshine Hérouville-Saint-Clair
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2.5 3.5 4.9 6.3 7.3 7.9 8.1 7.5 6.2 4.6 3.2 2.4

Day / night temperatures

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

Hérouville-Saint-Clair average minimum / maximum temperatures (Celsius) Hérouville-Saint-Clair average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hérouville-Saint-Clair (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 2.2 2.3 3.6 5.3 8.2 11 12.9 12.8 11.2 8.4 5.1 3.1
Max °C 7.5 8.2 10.6 12.9 16.5 19.5 21.8 21.8 19.9 16 11.2 8.3
Min °F 35.9 36.1 38.5 41.5 46.7 51.7 55.1 55 52.1 47.1 41.1 37.6
Max °F 40.6 41.4 44.8 48.4 54.1 59.4 63.1 63.1 59.9 54 46.6 42.3

Sea temperature

The graph below shows the average sea temperature.

Hérouville-Saint-Clair average sea temperature chart (Celsius) Hérouville-Saint-Clair average sea temperature chart (Fahrenheit)
Average sea temperature around Hérouville-Saint-Clair in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 9.3 8.1 8.1 9.3 11.3 13.7 15.8 17.2 17.2 15.9 13.6 11.1
°F 48.7 46.6 46.5 48.7 52.3 56.7 60.5 63 63 60.6 56.5 52

Wind speed

The graph below shows the average wind speed.

Hérouville-Saint-Clair average winspeed by month (km/h) Hérouville-Saint-Clair average winspeed by month (mph)
Average wind speed in Hérouville-Saint-Clair (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 18 18 18 18 16 14 14 14 14 14 17 18
mph 11 11 11 11 10 9 9 9 9 9 11 11

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.

Hérouville-Saint-Clair relative humidity averages
Average relative humidity in Hérouville-Saint-Clair
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 87% 83% 79% 79% 78% 78% 79% 82% 86% 88% 89%

Other monthly averages

UV index Best time to go?

Hérouville-Saint-Clair weather stats

Hérouville-Saint-Clair weather statistics
Hottest month: July 21.5°C 70.7°F
Driest month: April 44mm 1.7ins
Sunniest month: August 7.5hrs
Coldest month: January 7.3°C 45.1°F
Wettest month: November 83mm 3.3ins
Warmest sea: August 17.2°C 63°F
Map showing location of Hérouville-Saint-Clair (49.21088, -0.30653) Hérouville-Saint-Clair map pin © Google

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