Mettmann monthly weather averages

Contents

Average daytime temperature

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

Mettmann average temperature chart (Celsius) Mettmann average temperature chart (Fahrenheit)
Average monthly temperatures in Mettmann (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4 5.3 8.7 12.8 17.5 20.4 22 22 18.8 14.3 8.3 4.9
°F 39.3 41.6 47.6 55 63.6 68.8 71.7 71.7 65.8 57.8 46.9 40.7

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.

Mettmann monthly rainfall chart (mm) Mettmann monthly rainfall chart (inches)
Average monthly rainfall in Mettmann (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 71 53 67 63 70 90 86 79 70 62 77 80
inches 2.8 2.1 2.6 2.5 2.8 3.5 3.4 3.1 2.8 2.4 3 3.1
Rainy days 18 14 17 16 16 16 15 15 15 15 18 18

Average annual rainfall in Mettmann: 925.167mm (364.2 inches)

Average daily sunshine

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

Mettmann average daily sunshine chart
Average daily sunshine Mettmann
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.6 3 3.6 5.4 6.8 6.7 6.7 6.5 5 3.9 2.1 1.5

Day / night temperatures

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

Mettmann average minimum / maximum temperatures (Celsius) Mettmann average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Mettmann (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.4 -0 2.2 4.7 8.7 11.6 13.2 13.2 10.9 7.7 3.4 0.9
Max °C 4.2 5.5 8.9 13 17.8 20.7 22.3 22.3 19 14.5 8.4 5
Min °F 31.4 31.9 35.9 40.4 47.6 52.8 55.7 55.7 51.5 45.9 38.1 33.5
Max °F 35.4 36.9 41.9 47.8 55.8 61 63.9 63.9 58.8 52 42.6 37.2

Sea temperature

The graph below shows the average sea temperature.

Mettmann average sea temperature chart (Celsius) Mettmann average sea temperature chart (Fahrenheit)
Average sea temperature around Mettmann 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.

Mettmann average winspeed by month (km/h) Mettmann average winspeed by month (mph)
Average wind speed in Mettmann (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 16 15 15 13 12 11 11 11 11 12 14 14
mph 10 9 9 8 7 7 7 7 7 7 9 9

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.

Mettmann relative humidity averages
Average relative humidity in Mettmann
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
89% 83% 78% 72% 71% 73% 73% 73% 79% 83% 87% 90%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Mettmann weather stats

Mettmann weather statistics
Hottest month: July 22°C 71.6°F
Driest month: February 53mm 2.1ins
Sunniest month: August 6.5hrs
Coldest month: January 4°C 39.2°F
Wettest month: June 90mm 3.5ins
Warmest sea: August 19°C 66.2°F
Map showing location of Mettmann (51.2504, 6.97536) Mettmann map pin © Google

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