Arendal monthly weather averages

Average daytime temperature

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

Arendal average temperature chart (Celsius) Arendal average temperature chart (Fahrenheit)
Average monthly temperatures in Arendal (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.6 0.5 3.6 7.7 13.6 17.9 19.2 18.8 14.8 10.8 5.6 2.7
°F 33.2 32.9 38.5 45.8 56.4 64.2 66.5 65.8 58.7 51.4 42.1 36.8

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.

Arendal monthly rainfall chart (mm) Arendal monthly rainfall chart (inches)
Average monthly rainfall in Arendal (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 84 57 66 50 71 63 82 101 112 132 116 80
inches 3.3 2.2 2.6 2 2.8 2.5 3.2 4 4.4 5.2 4.6 3.1
Rainy days 18 14 15 12 14 13 13 15 16 18 19 17

Average daily sunshine

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

Arendal average daily sunshine chart
Average daily sunshine Arendal
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 1.1 2.2 3.7 6 7.8 9.6 9 7.4 5 3.2 2 1.1

Day / night temperatures

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

Arendal average minimum / maximum temperatures (Celsius) Arendal average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Arendal (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -3.6 -4.2 -2 1.2 5.9 10.3 12.3 11.7 9.1 5.9 1.5 -1.8
Max °C 0.8 0.6 3.8 7.9 13.8 18.1 19.4 19 15 10.9 5.7 2.8
Min °F 25.6 24.4 28.5 34.1 42.5 50.5 54.1 53 48.3 42.6 34.7 28.8
Max °F 29.5 28.8 33.6 40.1 49.6 57.6 60.4 59.5 53.6 47.1 38.5 32.9

Sea temperature

The graph below shows the average sea temperature.

Arendal average sea temperature chart (Celsius) Arendal average sea temperature chart (Fahrenheit)
Average sea temperature around Arendal in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.4 4.3 4.2 6.2 10 13.9 16.5 17.2 15.2 12.5 9.8 7
°F 41.7 39.7 39.6 43.2 50.1 57.1 61.7 63 59.4 54.6 49.7 44.6

Wind speed

The graph below shows the average wind speed.

Arendal average winspeed by month (km/h) Arendal average winspeed by month (mph)
Average wind speed in Arendal (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 22 19 21 19 18 18 18 17 20 21 22 22
mph 14 12 13 12 11 11 11 11 13 13 14 14

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.

Arendal relative humidity averages
Average relative humidity in Arendal
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
87% 85% 82% 77% 75% 76% 78% 79% 80% 83% 85% 86%

Other monthly averages

UV index Best time to go?

Arendal weather stats

Arendal weather statistics
Hottest month: July 19.2°C 66.6°F
Driest month: April 50mm 2ins
Sunniest month: June 9.6hrs
Coldest month: February 0.5°C 32.9°F
Wettest month: October 132mm 5.2ins
Warmest sea: August 17.2°C 63°F
Map showing location of Arendal (58.46151, 8.77253)

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