The highest day temperature in December 2023 was 36°F. The lowest night temperature was 0°F. The average values for day and night temperatures during December were 21.1°F и 19.8°F respectivly.

The average sea surface temperature in December 2023 for Vantaa was 34.5°F. The maximum and minimum values were 32.0°F and 37.2°F respectively.

Most of the days in December are gloomy but you can also expect sunny days.

Precipitation total in December for Vantaa is 1.7 in.

The average wind speed in December is 10.3 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Vantaa in December is 1.6 hours.