Measurements:
°C
°F
Sundsvall
-4°F
SE 4 mph
Feels like: -14°F
Precip: 0%
World Resorts Sweden Sundsvall Weather December Weather in Sundsvall

Sundsvall Weather: December

Average Day Temperature: 25.8°F
Average Night Temperature: 24.0°F
Sea Water Temperature: 33.8°F
Number of Sunny Days: 6 days
Sunshine Hours: 4.9 - 5.7 hours
Number of Rainy Days: 2 days
Precipitation Totals: 2.0 in
Number of Snowy Days: 2 days

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 44°F. The lowest night temperature was 16°F. The average values for day and night temperatures during December were 31.9°F и 30.9°F respectivly.

Sundsvall Water Sea Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Sundsvall was 34.1°F. The maximum and minimum values were 30.0°F and 38.6°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 Sundsvall is 2.0 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 7.1 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 Sundsvall in December is 1.9 hours.

Best Time to Visit Sundsvall
The most sunny months:
July 12 days
June 11 days
May 10 days
The most warm months:
July 70.0 °F
August 67.1 °F
June 64.6 °F
Warmest sea temperature:
August 63.4 °F
July 62.9 °F
September 56.7 °F
The most cold months:
January 21.1 °F
February 24.7 °F
December 25.8 °F
The most rainy months:
July 4 days
September 4 days
August 4 days
The most windy months:
March 7 mph
June 7 mph
April 7 mph

Sundsvall on the Weather Map

Sweden Resorts:
NAME
Gothenburg +10
Helsinborg +20
Jonkoping +16
Karlstad +2
Kristianstad +14
Lund +16
Malmo +20
Orebro 0
Ostersund -6
Stockholm +16
Sundsvall -4
Uppsala +14
Vasteras +10
24 Hours Weather Forecast
Sundsvall
Local time: 19:40
10 jan, saturday
2100 -4°F
SE
4 mph
11 jan, sunday
0000 0°F
SE
4 mph
0300 2°F
SE
4 mph
0600 0°F
SE
5 mph
0900 0°F
SE
5 mph
1200 6°F
SE
3 mph
1500 0°F
SE
3 mph
1800 -4°F
S
2 mph