Iserlohn monthly weather averages

Contents

Average daytime temperature

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

Iserlohn average temperature chart (Celsius) Iserlohn average temperature chart (Fahrenheit)
Average monthly temperatures in Iserlohn (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 2.7 4.1 7.5 11.8 16.6 19.7 21.2 21.3 17.9 13.1 7.1 3.8
°F 36.9 39.3 45.5 53.3 61.9 67.5 70.1 70.3 64.2 55.6 44.8 38.8

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.

Iserlohn monthly rainfall chart (mm) Iserlohn monthly rainfall chart (inches)
Average monthly rainfall in Iserlohn (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 64 53 57 61 66 82 85 77 66 57 71 75
inches 2.5 2.1 2.2 2.4 2.6 3.2 3.4 3 2.6 2.2 2.8 3
Rainy days 17 13 16 15 15 16 16 15 15 14 17 18

Average annual rainfall in Iserlohn: 872.267mm (343.4 inches)

Average daily sunshine

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

Iserlohn average daily sunshine chart
Average daily sunshine Iserlohn
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.6 3 3.7 5.5 6.8 6.7 6.8 6.6 5 3.7 2 1.4

Day / night temperatures

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

Iserlohn average minimum / maximum temperatures (Celsius) Iserlohn average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Iserlohn (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -1.6 -1.2 1 3.6 7.6 10.7 12.2 12.1 9.7 6.5 2.4 -0.3
Max °C 2.8 4.2 7.7 12.1 16.9 20 21.4 21.5 18.1 13.3 7.2 3.9
Min °F 29.1 29.8 33.7 38.4 45.6 51.2 54 53.8 49.5 43.7 36.3 31.5
Max °F 33.1 34.7 39.7 46 54 59.5 62.2 62.2 57 49.8 40.6 35.2

Sea temperature

The graph below shows the average sea temperature.

Iserlohn average sea temperature chart (Celsius) Iserlohn average sea temperature chart (Fahrenheit)
Average sea temperature around Iserlohn in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 6.8 5.7 6.1 8.5 12.1 15.7 18.4 19.5 18 15.3 12.1 8.9
°F 44.2 42.2 43 47.2 53.8 60.3 65.1 67 64.4 59.6 53.7 48

Wind speed

The graph below shows the average wind speed.

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

Iserlohn relative humidity averages
Average relative humidity in Iserlohn
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
90% 84% 79% 73% 71% 73% 73% 73% 79% 83% 88% 91%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Iserlohn weather stats

Iserlohn weather statistics
Hottest month: July 21.2°C 70.2°F
Driest month: February 53mm 2.1ins
Sunniest month: August 6.6hrs
Coldest month: January 2.7°C 36.9°F
Wettest month: July 85mm 3.3ins
Warmest sea: August 19.5°C 67.1°F
Map showing location of Iserlohn (51.37547, 7.70281) Iserlohn map pin © Google

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