The climate in Tønsberg during December can be summarized as cold and reasonably dry.
December is in the winter in Tønsberg and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a freezing 2°C (35°F), whilst at night -5°C (24°F) is normal.
|Daytime temperature||1.9°C 35.4°F|
|Nightly temperature||-4.5°C 23.9°F|
|Average temperature||-1.3°C 29.7°F|
|Daily sunshine||1 hrs|
|Avg rainfall||58 mm 2.3 ins|
|Rainy days||15 days|
|Sea temperature||6.3°C 43.4°F|
|Windspeed||18.7kph 12 mph|
On average December is the 6th driest month of the year in Tønsberg with around 58mm 2.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 1 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 December 2019.
|Hottest month:||July||20.5°C 68.9°F|
|Driest month:||February||40mm 1.6ins|
|Coldest month:||February||-0°C 32°F|
|Wettest month:||October||101mm 4ins|