Hafnarfjörður monthly weather averages

Contents

Average daytime temperature

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

Hafnarfjörður average temperature chart (Celsius) Hafnarfjörður average temperature chart (Fahrenheit)
Average monthly temperatures in Hafnarfjörður (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 0.8 1.6 2.1 4.7 8.4 10.9 12.6 12.2 9 5.7 2.3 1.1
°F 33.5 34.9 35.7 40.4 47.1 51.7 54.6 53.9 48.2 42.2 36.2 34

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.

Hafnarfjörður monthly rainfall chart (mm) Hafnarfjörður monthly rainfall chart (inches)
Average monthly rainfall in Hafnarfjörður (mm and inches)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
mm 99 97 99 75 60 67 66 83 86 115 97 100
inches 3.9 3.8 3.9 2.9 2.4 2.7 2.6 3.3 3.4 4.5 3.8 4
Rainy days 18 18 19 18 16 18 18 18 18 20 17 20

Average annual rainfall in Hafnarfjörður: 1087.266mm (428.1 inches)

Average daily sunshine

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

Hafnarfjörður average daily sunshine chart
Average daily sunshine Hafnarfjörður
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Hrs sunshine 0.9 1.8 3.5 4.9 3.1 0 3.1 5.6 4.3 2.8 1.5 0.6

Day / night temperatures

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

Hafnarfjörður average minimum / maximum temperatures (Celsius) Hafnarfjörður average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Hafnarfjörður (degrees centigrade and fahrenheit)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Min °C -4 -3.1 -3 -0.6 2.7 5.8 7.3 6.9 3.9 1.2 -2.3 -3.9
Max °C 1 1.7 2.2 4.8 8.6 11.1 12.7 12.3 9.1 5.8 2.5 1.3
Min °F 24.9 26.4 26.6 30.9 36.8 42.4 45.1 44.4 39 34.2 28 25.1
Max °F 29.3 30.7 31.3 35.8 42.1 47.1 50 49.3 43.7 38.3 32.2 29.7

Sea temperature

The graph below shows the average sea temperature.

Hafnarfjörður average sea temperature chart (Celsius) Hafnarfjörður average sea temperature chart (Fahrenheit)
Average sea temperature around Hafnarfjörður in degrees centigrade and fahrenheit
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
°C 5.7 5.4 5.2 5.3 6.4 8.3 9.9 10.4 9.4 8 6.9 6.3
°F 42.3 41.7 41.4 41.6 43.6 47 49.8 50.7 48.8 46.4 44.5 43.3

Wind speed

The graph below shows the average wind speed.

Hafnarfjörður average winspeed by month (km/h) Hafnarfjörður average winspeed by month (mph)
Average wind speed in Hafnarfjörður (mph and kmh)
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
km/h 24 25 24 22 19 18 17 18 19 21 22 24
mph 15 15 15 14 12 11 11 11 12 13 14 15

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.

Hafnarfjörður relative humidity averages
Average relative humidity in Hafnarfjörður
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
80% 80% 79% 80% 78% 81% 82% 83% 81% 82% 81% 81%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Hafnarfjörður weather stats

Hafnarfjörður weather statistics
Hottest month: July 12.6°C 54.7°F
Driest month: May 60mm 2.4ins
Sunniest month: May 3.1hrs
Coldest month: January 0.8°C 33.4°F
Wettest month: October 115mm 4.5ins
Warmest sea: August 10.4°C 50.7°F
Map showing location of Hafnarfjörður (64.0671, -21.93774) Hafnarfjörður map pin © Google

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