21.12
sun
sun
Day

37°F
SE 12 mph
Precip.
0%
0%
Night

30°F
SE 6 mph
Precip.
0%
0%
22.12
mon
mon
Day

28°F
SW 6 mph
Precip.
78%
78%
Night

25°F
SW 4 mph
Precip.
0%
0%
23.12
tue
tue
Day

25°F
E 1 mph
Precip.
0%
0%
Night

23°F
NE 2 mph
Precip.
0%
0%
24.12
wed
wed
Day

27°F
SE 8 mph
Precip.
0%
0%
Night

32°F
SE 9 mph
Precip.
0%
0%
25.12
thu
thu
Day

43°F
SE 19 mph
Precip.
0%
0%
Night

41°F
SE 14 mph
Precip.
0%
0%
26.12
fri
fri
Day

34°F
SE 5 mph
Precip.
0%
0%
Night

37°F
E 9 mph
Precip.
0%
0%
27.12
sat
sat
Day

36°F
SE 14 mph
Precip.
0%
0%
Night

34°F
SE 12 mph
Precip.
0%
0%
28.12
sun
sun
Day

39°F
SE 15 mph
Precip.
0%
0%
Night

41°F
SE 16 mph
Precip.
0%
0%
29.12
mon
mon
Day

41°F
SE 13 mph
Precip.
0%
0%
Night

34°F
SE 7 mph
Precip.
0%
0%
30.12
tue
tue
Day

41°F
SE 16 mph
Precip.
0%
0%
Night

39°F
E 14 mph
Precip.
100%
100%
31.12
wed
wed
Day

37°F
E 11 mph
Precip.
0%
0%
Night

30°F
SE 9 mph
Precip.
55%
55%
01.01
thu
thu
Day

25°F
S 17 mph
Precip.
23%
23%
Night

21°F
S 14 mph
Precip.
0%
0%
02.01
fri
fri
Day

23°F
NE 13 mph
Precip.
0%
0%
Night

18°F
SE 7 mph
Precip.
0%
0%
03.01
sat
sat
Day

18°F
SE 6 mph
Precip.
0%
0%
Night

14°F
SE 4 mph
Precip.
0%
0%
sea water
temperature
temperature
| Sundsvall |
monthly
weather
weather
| Sundsvall |
current
weather
weather
| Sundsvall |
7 days
forecast
forecast
| Sundsvall |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 34.8°F. The highest and lowest sea temperatures during the month were 36.9°F and 32.0°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 33.2°F. The highest and lowest sea temperatures during the month were 34.7°F and 31.8°F.
Air temperature in Sundsvall, °F
Precipitation total in Sundsvall, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Sundsvall
Sundsvall on a weather map
Places in Sweden:
Name
°F
24 Hours Forecast
Sundsvall
Local time: 12:18
December 21, sunday
1500

36°F
SE
11 mph
11 mph
1800

34°F
SE
9 mph
9 mph
2100

32°F
SE
7 mph
7 mph
December 22, monday
0000

30°F
SE
6 mph
6 mph
0300

30°F
SE
5 mph
5 mph
0600

30°F
SE
5 mph
5 mph
0900

28°F
SW
4 mph
4 mph
1200

28°F
SW
6 mph
6 mph



























