Harkema monthly weather averages

Contents

Average daytime temperature

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

Harkema average temperature chart (Celsius) Harkema average temperature chart (Fahrenheit)
Average monthly temperatures in Harkema (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 4 4.6 7.6 11 15.9 18.4 20 20.5 17.6 13.4 8.5 5.4
°F 39.2 40.3 45.7 51.9 60.6 65.2 68 68.9 63.6 56.1 47.2 41.8

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.

Harkema monthly rainfall chart (mm) Harkema monthly rainfall chart (inches)
Average monthly rainfall in Harkema (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 71 46 59 49 55 65 79 72 78 80 88 80
inches 2.8 1.8 2.3 1.9 2.2 2.6 3.1 2.8 3.1 3.1 3.5 3.1
Rainy days 20 13 17 14 15 14 16 15 17 17 20 20

Average annual rainfall in Harkema: 879.233mm (346.2 inches)

Average daily sunshine

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

Harkema average daily sunshine chart
Average daily sunshine Harkema
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.5 2.7 3.8 5.6 7.1 7.2 6.6 6.6 4.8 3.4 2 1.3

Day / night temperatures

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

Harkema average minimum / maximum temperatures (Celsius) Harkema average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Harkema (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -0.7 -0.8 1 2.8 6.7 9.8 11.6 11.5 9.5 6.5 3 0.9
Max °C 4.1 4.8 7.8 11.3 16.1 18.7 20.2 20.7 17.8 13.6 8.6 5.6
Min °F 30.7 30.7 33.8 37 44.1 49.6 52.9 52.7 49 43.6 37.4 33.5
Max °F 35.1 35.6 39.9 44.6 52.5 57.6 60.6 61 56.5 50 42.4 37.8

Sea temperature

The graph below shows the average sea temperature.

Harkema average sea temperature chart (Celsius) Harkema average sea temperature chart (Fahrenheit)
Average sea temperature around Harkema in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.9 4.7 5 7.2 10.7 14.2 16.9 18.2 17 14.5 11.3 8.3
°F 42.7 40.4 41 45 51.2 57.5 62.3 64.7 62.6 58.1 52.4 46.9

Wind speed

The graph below shows the average wind speed.

Harkema average winspeed by month (km/h) Harkema average winspeed by month (mph)
Average wind speed in Harkema (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 20 20 20 18 17 15 15 15 17 17 20 20
mph 13 13 13 11 10 9 9 9 10 10 13 13

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.

Harkema relative humidity averages
Average relative humidity in Harkema
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
91% 88% 86% 82% 80% 80% 81% 81% 85% 88% 90% 91%

Other monthly averages

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Beta

Current (hourly) weather 15 day forecast

Harkema weather stats

Harkema weather statistics
Hottest month: August 20.5°C 68.9°F
Driest month: February 46mm 1.8ins
Sunniest month: May 7.1hrs
Coldest month: January 4°C 39.2°F
Wettest month: November 88mm 3.5ins
Warmest sea: August 18.2°C 64.8°F
Map showing location of Harkema (53.18333, 6.13333) Harkema map pin © Google

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