Reykjavík monthly weather averages

What's the weather like in Reykjavík?

Reykjavik, the capital of Iceland, has what is described as a subpolar oceanic climate. Whilst the city experiences mild temperatures year-round, temperature variations can be quite large due to its northerly location. The coldest months are from December to February, when temperatures often fall below freezing. Summers are relatively mild, with average temperatures ranging from 10 to 13 °C (50 to 55 °F).

Rainfall is quite common in Reykjavik, but snow can be scarce. Snowfall does occur, but usually only during winter months. The city has about 1,600 hours of sunshine per year, with the sunniest periods occurring during the summer months.

The wind is often strong in Reykjavik, with winds of more than 50 kmh (35 mph) not unusual during the winter. The windiest months are usually December and January.

Overall, Reykjavik has a mild climate, with relatively cool summers, mild winters, and frequent wind and rainfall all year round.

Average daytime temperature

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

Reykjavík average temperature chart (Celsius) Reykjavík average temperature chart (Fahrenheit)
Average monthly temperatures in Reykjavík (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.

Reykjavík monthly rainfall chart (mm) Reykjavík monthly rainfall chart (inches)
Average monthly rainfall in Reykjavík (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 Reykjavík: 1087.266mm (428.1 inches)

Average daily sunshine

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

Reykjavík average daily sunshine chart
Average daily sunshine Reykjavík
  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.

Reykjavík average minimum / maximum temperatures (Celsius) Reykjavík average minimum / maximum temperatures (Fahrenheit)
Maximum and minimum daily temperatures in Reykjavík (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.

Reykjavík average sea temperature chart (Celsius) Reykjavík average sea temperature chart (Fahrenheit)
Average sea temperature around Reykjavík 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.

Reykjavík average winspeed by month (km/h) Reykjavík average winspeed by month (mph)
Average wind speed in Reykjavík (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.

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

Other monthly averages

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Reykjavík weather stats

Reykjavík 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 Reykjavík (64.13548, -21.89541) Reykjavík map pin © Google

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