Measurements:
°C
°F
Vantaa
8°F
S 14 mph
Feels like: -8°F
Precip: 0%
World Resorts Finland Vantaa Weather December Weather in Vantaa

Vantaa Weather: December

Average Day Temperature: 30.5°F
Average Night Temperature: 28.3°F
Sea Water Temperature: 37.3°F
Number of Sunny Days: 3 days
Sunshine Hours: 5.8 - 6.4 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.6 in

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 42°F. The lowest night temperature was 14°F. The average values for day and night temperatures during December were 33.7°F и 33.5°F respectivly.

Vantaa Water Sea Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Vantaa was 38.4°F. The maximum and minimum values were 35.0°F and 41.2°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in December, in

Precipitation total in December for Vantaa is 1.6 in.

Wind Speed in December, mph

The average wind speed in December is 10.1 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

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.

Best Time to Visit Vantaa
The most sunny months:
June 14 days
July 14 days
May 13 days
The most warm months:
July 72.8 °F
August 70.1 °F
June 67.3 °F
Warmest sea temperature:
August 64.6 °F
July 63.1 °F
September 59.8 °F
The most cold months:
January 24.4 °F
February 26.0 °F
December 30.5 °F
The most rainy months:
October 4 days
August 4 days
September 4 days
The most windy months:
December 10 mph
November 9 mph
January 9 mph

Vantaa on the Weather Map

Finland Resorts:
NAME
Espoo +10
Helsinki +8
Juvaskyla -2
Kemi -12
Koli National Park -4
Kotka +12
Lahti +6
Lappeenranta +8
Oulu -10
Pori +6
Saariselka -20
Savolinna +6
Turku +6
Vaasa +2
Vantaa +8
24 Hours Weather Forecast
Vantaa
Local time: 04:21
10 jan, saturday
0600 10°F
S
14 mph
0900 12°F
S
14 mph
1200 12°F
S
14 mph
1500 12°F
S
14 mph
1800 14°F
S
14 mph
2100 14°F
SW
14 mph
11 jan, sunday
0000 14°F
SW
13 mph
0300 16°F
S
12 mph