Saint-Omer monthly weather averages

Contents

Average daytime temperature

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

Saint-Omer average temperature chart (Celsius) Saint-Omer average temperature chart (Fahrenheit)
Average monthly temperatures in Saint-Omer (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.8 6.4 9 11.7 15.6 18.5 20.5 20.8 18.5 14.7 9.6 6.8
°F 42.4 43.5 48.2 53.1 60 65.2 68.9 69.4 65.3 58.5 49.2 44.2

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.

Saint-Omer monthly rainfall chart (mm) Saint-Omer monthly rainfall chart (inches)
Average monthly rainfall in Saint-Omer (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 59 42 55 47 52 55 57 51 65 73 82 62
inches 2.3 1.7 2.2 1.8 2 2.2 2.2 2 2.5 2.9 3.2 2.4
Rainy days 19 15 17 16 16 14 14 14 15 18 20 18

Average annual rainfall in Saint-Omer: 752mm (296.1 inches)

Average daily sunshine

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

Saint-Omer average daily sunshine chart
Average daily sunshine Saint-Omer
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 2 3.3 4.4 6 7.3 7.8 7.5 7.7 5.7 4.3 2.8 1.8

Day / night temperatures

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

Saint-Omer average minimum / maximum temperatures (Celsius) Saint-Omer average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Saint-Omer (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C 1.1 1.1 2.5 4.5 7.9 10.8 12.7 12.6 10.7 7.9 4.1 2.1
Max °C 5.9 6.5 9.2 11.9 15.8 18.7 20.7 21 18.7 14.9 9.7 6.9
Min °F 34 34 36.4 40.1 46.1 51.4 54.9 54.7 51.3 46.2 39.4 35.8
Max °F 38.3 38.8 42.4 46.8 53.2 58.5 62.1 62.2 58.5 52.5 44.4 40.1

Sea temperature

The graph below shows the average sea temperature.

Saint-Omer average sea temperature chart (Celsius) Saint-Omer average sea temperature chart (Fahrenheit)
Average sea temperature around Saint-Omer in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 8.2 7.3 7.4 8.9 11.2 13.8 16.2 17.8 17.5 15.5 12.7 10
°F 46.8 45.1 45.3 48.1 52.1 56.8 61.2 64.1 63.5 59.9 54.9 50

Wind speed

The graph below shows the average wind speed.

Saint-Omer average winspeed by month (km/h) Saint-Omer average winspeed by month (mph)
Average wind speed in Saint-Omer (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 19 19 19 19 17 16 15 15 16 16 19 19
mph 12 12 12 12 11 10 9 9 10 10 12 12

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.

Saint-Omer relative humidity averages
Average relative humidity in Saint-Omer
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 86% 83% 79% 80% 81% 80% 80% 82% 85% 88% 90%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Saint-Omer weather stats

Saint-Omer weather statistics
Hottest month: August 20.8°C 69.4°F
Driest month: February 42mm 1.7ins
Sunniest month: August 7.7hrs
Coldest month: January 5.8°C 42.4°F
Wettest month: November 82mm 3.2ins
Warmest sea: August 17.8°C 64°F
Map showing location of Saint-Omer (50.75, 2.25) Saint-Omer map pin © Google

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