29.12
mon
mon
Day
25°F
SE 17 mph
Precip.
0%
0%
Night
25°F
S 16 mph
Precip.
0%
0%
30.12
tue
tue
Day
25°F
SE 11 mph
Precip.
0%
0%
Night
23°F
E 3 mph
Precip.
0%
0%
31.12
wed
wed
Day
25°F
N 5 mph
Precip.
0%
0%
Night
25°F
NW 6 mph
Precip.
100%
100%
01.01
thu
thu
Day
28°F
W 22 mph
Precip.
100%
100%
Night
23°F
W 16 mph
Precip.
100%
100%
02.01
fri
fri
Day
19°F
SW 13 mph
Precip.
100%
100%
Night
14°F
S 13 mph
Precip.
81%
81%
03.01
sat
sat
Day
14°F
S 11 mph
Precip.
80%
80%
Night
14°F
NW 13 mph
Precip.
100%
100%
04.01
sun
sun
Day
12°F
S 9 mph
Precip.
84%
84%
Night
9°F
SE 6 mph
Precip.
77%
77%
sea water
temperature
temperature
| Sundsvall |
monthly
weather
weather
| Sundsvall |
current
weather
weather
| Sundsvall |
14 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 35.5°F. The highest and lowest sea temperatures during the month were 39.7°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: 08:59
December 29, monday
0900
25°F
SE
19 mph
19 mph
1200
25°F
SE
17 mph
17 mph
1500
27°F
SE
15 mph
15 mph
1800
27°F
S
14 mph
14 mph
2100
27°F
S
16 mph
16 mph
December 30, tuesday
0000
25°F
S
16 mph
16 mph
0300
25°F
S
14 mph
14 mph
0600
25°F
S
12 mph
12 mph
