Grindavík Weather in December

What's the weather like in Grindavík (Southern Peninsula) in December 2021?

The climate in Grindavík during December can be summarized as cold and damp.

December is in the winter in Grindavík and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (36°F), whilst at night -3°C (27°F) is normal.

Grindavík weather averages (imperial / metric)
Daytime temperature 2.2°C 36°F
Nightly temperature -2.6°C 27.3°F
Average temperature -0.2°C 31.6°F
Daily sunshine 0.5 hrs
Avg rainfall 111 mm 4.4 ins
Rainy days 20 days
Sea temperature 7.4°C 45.3°F
Humidity 82%
Windspeed 25.2kph 16 mph

On average December is the 2nd wettest month of the year in Grindavík with around 111mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.

On the flip side this corresponds to an average of 0.5 hours of sunshine per day.

December temperatures in Grindavík

Grindavík average temperature in December

December rainfall

Grindavík average rain in December

December hourly sunshine

Grindavík average rain in December

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grindavík in December 2021.

Other monthly averages

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Grindavík weather stats

Grindavík weather statistics
Hottest month: July 12.8°C 55°F
Driest month: July 67mm 2.6ins
Sunniest month: May 3hrs
Coldest month: January 1.7°C 35.1°F
Wettest month: October 124mm 4.9ins
Map showing location of Grindavík (63.8424, -22.43375)

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