The climate in Borgarnes during December can be summarized as cold and a little damp.
December is in the winter in Borgarnes and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a freezing 0°C (32°F), whilst at night -5°C (23°F) is normal.
|Daytime temperature||0°C 32°F|
|Nightly temperature||-5.2°C 22.6°F|
|Average temperature||-2.6°C 27.3°F|
|Daily sunshine||0.5 hrs|
|Avg rainfall||89 mm 3.5 ins|
|Rainy days||19 days|
|Sea temperature||6.3°C 43.3°F|
|Windspeed||20.9kph 13 mph|
On average December is the 2nd wettest month of the year in Borgarnes with around 89mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 0.5 hours of sunshine per day.
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 Borgarnes in December 2021.
|Hottest month:||July||12°C 53.6°F|
|Driest month:||May||47mm 1.9ins|
|Coldest month:||January||-0.4°C 31.3°F|
|Wettest month:||October||100mm 3.9ins|