25.12
thu
thu
Day

45°F
SE 18 mph
Precip.
0%
0%
Night

46°F
SE 17 mph
Precip.
0%
0%
26.12
fri
fri
Day

43°F
SE 9 mph
Precip.
0%
0%
Night

43°F
SE 12 mph
Precip.
0%
0%
27.12
sat
sat
Day

34°F
SE 29 mph
Precip.
0%
0%
Night

32°F
S 19 mph
Precip.
0%
0%
28.12
sun
sun
Day

37°F
SE 14 mph
Precip.
0%
0%
Night

39°F
SE 17 mph
Precip.
0%
0%
29.12
mon
mon
Day

34°F
SE 17 mph
Precip.
0%
0%
Night

28°F
SE 20 mph
Precip.
53%
53%
30.12
tue
tue
Day

27°F
S 16 mph
Precip.
0%
0%
Night

23°F
NW 8 mph
Precip.
0%
0%
31.12
wed
wed
Day

19°F
S 12 mph
Precip.
0%
0%
Night

19°F
S 13 mph
Precip.
0%
0%
01.01
thu
thu
Day

19°F
S 6 mph
Precip.
0%
0%
Night

19°F
SE 4 mph
Precip.
0%
0%
02.01
fri
fri
Day

21°F
S 3 mph
Precip.
0%
0%
Night

18°F
NE 5 mph
Precip.
0%
0%
03.01
sat
sat
Day

16°F
S 4 mph
Precip.
0%
0%
Night

12°F
SE 4 mph
Precip.
0%
0%
04.01
sun
sun
Day

12°F
S 3 mph
Precip.
0%
0%
Night

10°F
SE 7 mph
Precip.
0%
0%
05.01
mon
mon
Day

16°F
SE 8 mph
Precip.
0%
0%
Night

14°F
SE 6 mph
Precip.
0%
0%
06.01
tue
tue
Day

16°F
E 3 mph
Precip.
0%
0%
Night

19°F
N 3 mph
Precip.
0%
0%
07.01
wed
wed
Day

30°F
N 6 mph
Precip.
69%
69%
Night

30°F
NE 7 mph
Precip.
26%
26%
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 35.0°F. The highest and lowest sea temperatures during the month were 37.2°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: 15:58
December 25, thursday
1800

45°F
SE
17 mph
17 mph
2100

46°F
SE
19 mph
19 mph
December 26, friday
0000

46°F
SE
17 mph
17 mph
0300

48°F
SE
17 mph
17 mph
0600

46°F
SE
12 mph
12 mph
0900

45°F
SE
9 mph
9 mph
1200

43°F
SE
9 mph
9 mph
1500

43°F
SE
9 mph
9 mph



























