19.12
fri
fri
Day
39°F
N 8 mph
Precip.
0%
0%
Night
37°F
NE 8 mph
Precip.
0%
0%
20.12
sat
sat
Day
39°F
E 9 mph
Precip.
0%
0%
Night
41°F
SE 12 mph
Precip.
0%
0%
21.12
sun
sun
Day
37°F
SE 9 mph
Precip.
0%
0%
Night
30°F
SE 5 mph
Precip.
0%
0%
22.12
mon
mon
Day
28°F
S 2 mph
Precip.
0%
0%
Night
27°F
SE 2 mph
Precip.
0%
0%
23.12
tue
tue
Day
28°F
E 3 mph
Precip.
0%
0%
Night
28°F
SE 6 mph
Precip.
0%
0%
24.12
wed
wed
Day
28°F
SE 6 mph
Precip.
0%
0%
Night
28°F
SE 6 mph
Precip.
0%
0%
25.12
thu
thu
Day
32°F
SE 6 mph
Precip.
0%
0%
Night
28°F
SE 4 mph
Precip.
0%
0%
26.12
fri
fri
Day
32°F
NE 2 mph
Precip.
0%
0%
Night
37°F
SE 12 mph
Precip.
0%
0%
27.12
sat
sat
Day
39°F
SE 16 mph
Precip.
0%
0%
Night
37°F
SE 12 mph
Precip.
0%
0%
28.12
sun
sun
Day
37°F
E 12 mph
Precip.
0%
0%
Night
41°F
SE 12 mph
Precip.
76%
76%
29.12
mon
mon
Day
36°F
SE 6 mph
Precip.
0%
0%
Night
28°F
NW 3 mph
Precip.
0%
0%
30.12
tue
tue
Day
30°F
N 4 mph
Precip.
22%
22%
Night
28°F
E 5 mph
Precip.
0%
0%
31.12
wed
wed
Day
37°F
SE 12 mph
Precip.
0%
0%
Night
36°F
SE 12 mph
Precip.
0%
0%
01.01
thu
thu
Day
34°F
SE 7 mph
Precip.
0%
0%
Night
30°F
E 5 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 34.5°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: 02:53
December 19, friday
0300
34°F
NE
2 mph
2 mph
0600
34°F
N
2 mph
2 mph
0900
36°F
NW
5 mph
5 mph
1200
39°F
N
8 mph
8 mph
1500
41°F
N
9 mph
9 mph
1800
45°F
NE
11 mph
11 mph
2100
41°F
NE
9 mph
9 mph
December 20, saturday
0000
37°F
NE
8 mph
8 mph
