Årstein monthly weather averages

Average daytime temperature

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

Årstein average temperature chart (Celsius) Årstein average temperature chart (Fahrenheit)
Average monthly temperatures in Årstein (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C -5.5 -5.2 -2.9 0.5 5.6 10.9 13.9 12.6 7.5 2.5 -1.9 -4.1
°F 22.1 22.7 26.7 32.9 42 51.6 57.1 54.7 45.5 36.6 28.6 24.7

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.

Årstein monthly rainfall chart (mm) Årstein monthly rainfall chart (inches)
Average monthly rainfall in Årstein (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 80 71 56 53 48 61 83 88 96 113 85 90
inches 3.2 2.8 2.2 2.1 1.9 2.4 3.3 3.5 3.8 4.5 3.3 3.5
Rainy days 20 20 17 16 15 17 19 19 22 23 20 22

Average daily sunshine

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

Årstein average daily sunshine chart
Average daily sunshine Årstein
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 0.3 1.2 3.1 5.3 3.8 0 0 2.5 3.3 2.2 1 0.3

Day / night temperatures

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

Årstein average minimum / maximum temperatures (Celsius) Årstein average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Årstein (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -12.5 -11.8 -10.1 -5.7 -0.1 4.4 7.1 6.3 2 -2.3 -7.1 -10.3
Max °C -5.4 -5 -2.8 0.7 5.7 11.1 14.1 12.8 7.7 2.7 -1.8 -3.9
Min °F 9.6 10.8 13.9 21.8 31.8 39.8 44.8 43.3 35.5 28 19.3 13.5
Max °F 16 16.9 20.5 27.5 37 45.9 51.1 49.1 40.6 32.4 24.1 19.2

Sea temperature

The graph below shows the average sea temperature.

Årstein average sea temperature chart (Celsius) Årstein average sea temperature chart (Fahrenheit)
Average sea temperature around Årstein in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.2 4.6 4.2 4.4 5.8 8.2 10.7 11.8 10.5 8.7 7.4 6.2
°F 41.3 40.3 39.6 39.9 42.4 46.8 51.2 53.3 50.9 47.6 45.3 43.2

Wind speed

The graph below shows the average wind speed.

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

Årstein relative humidity averages
Average relative humidity in Årstein
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
82% 82% 77% 75% 72% 72% 76% 77% 79% 79% 82% 81%

Other monthly averages

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Årstein weather stats

Årstein weather statistics
Hottest month: July 13.9°C 57°F
Driest month: May 48mm 1.9ins
Sunniest month: May 3.8hrs
Coldest month: January -5.5°C 22.1°F
Wettest month: October 113mm 4.4ins
Warmest sea: August 11.8°C 53.2°F
Map showing location of Årstein (68.69033, 17.54224)

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