Posterholt monthly weather averages

Average daytime temperature

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

Posterholt average temperature chart (Celsius) Posterholt average temperature chart (Fahrenheit)
Average monthly temperatures in Posterholt (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4.6 5.9 9.4 13 18 20.8 22.5 22.5 19.1 14.8 8.8 5.3
°F 40.2 42.7 48.9 55.5 64.3 69.4 72.4 72.4 66.4 58.7 47.9 41.5

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.

Posterholt monthly rainfall chart (mm) Posterholt monthly rainfall chart (inches)
Average monthly rainfall in Posterholt (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 59 50 62 51 65 76 75 67 57 57 67 70
inches 2.3 2 2.4 2 2.6 3 3 2.6 2.3 2.2 2.6 2.7
Rainy days 19 14 18 16 16 16 15 15 15 16 18 19

Average annual rainfall in Posterholt: 812.666mm (319.9 inches)

Average daily sunshine

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

Posterholt average daily sunshine chart
Average daily sunshine Posterholt
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.6 2.9 3.5 5.2 6.7 6.4 6.5 6.3 4.9 3.8 2.1 1.4

Day / night temperatures

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

Posterholt average minimum / maximum temperatures (Celsius) Posterholt average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Posterholt (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.5 -0.3 1.9 4 8 11 12.7 12.5 10.1 7 3.1 0.8
Max °C 4.7 6.1 9.6 13.3 18.2 21 22.7 22.7 19.4 15 9 5.4
Min °F 31.1 31.5 35.3 39.1 46.4 51.8 54.9 54.5 50.1 44.6 37.5 33.4
Max °F 35.8 37.2 42.3 47.5 55.6 60.8 63.9 63.7 58.5 51.8 42.8 37.6

Sea temperature

The graph below shows the average sea temperature.

Posterholt average sea temperature chart (Celsius) Posterholt average sea temperature chart (Fahrenheit)
Average sea temperature around Posterholt in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 7 5.9 6.2 8.4 11.7 15 17.7 19 17.8 15.4 12.2 9.2
°F 44.7 42.6 43.2 47 53 59.1 63.8 66.1 64.1 59.6 54 48.5

Wind speed

The graph below shows the average wind speed.

Posterholt average winspeed by month (km/h) Posterholt average winspeed by month (mph)
Average wind speed in Posterholt (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 17 17 17 14 13 12 12 12 12 13 16 16
mph 10 10 10 9 8 8 8 8 8 8 10 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.

Posterholt relative humidity averages
Average relative humidity in Posterholt
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 84% 80% 75% 73% 75% 75% 76% 81% 84% 88% 89%

Other monthly averages

UV index Best time to go?

Posterholt weather stats

Posterholt weather statistics
Hottest month: July 22.5°C 72.5°F
Driest month: February 50mm 2ins
Sunniest month: May 6.7hrs
Coldest month: January 4.6°C 40.3°F
Wettest month: June 76mm 3ins
Warmest sea: August 19°C 66.2°F
Map showing location of Posterholt (51.12333, 6.03472) Posterholt map pin © Google

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