17.12
wed
wed
Day

46°F
E 12 mph
Precip.
76%
76%
Night

37°F
NE 7 mph
Precip.
0%
0%
18.12
thu
thu
Day

39°F
N 11 mph
Precip.
0%
0%
Night

41°F
N 5 mph
Precip.
0%
0%
19.12
fri
fri
Day

45°F
N 12 mph
Precip.
78%
78%
Night

45°F
NE 14 mph
Precip.
0%
0%
20.12
sat
sat
Day

45°F
E 16 mph
Precip.
0%
0%
Night

43°F
E 9 mph
Precip.
0%
0%
21.12
sun
sun
Day

41°F
E 5 mph
Precip.
0%
0%
Night

36°F
NE 4 mph
Precip.
0%
0%
22.12
mon
mon
Day

37°F
N 3 mph
Precip.
81%
81%
Night

36°F
SE 5 mph
Precip.
0%
0%
23.12
tue
tue
Day

36°F
NE 9 mph
Precip.
71%
71%
Night

34°F
S 10 mph
Precip.
0%
0%
24.12
wed
wed
Day

28°F
NE 7 mph
Precip.
0%
0%
Night

27°F
W 2 mph
Precip.
0%
0%
25.12
thu
thu
Day

27°F
S 6 mph
Precip.
68%
68%
Night

23°F
S 7 mph
Precip.
0%
0%
26.12
fri
fri
Day

25°F
S 6 mph
Precip.
0%
0%
Night

25°F
NE 6 mph
Precip.
0%
0%
27.12
sat
sat
Day

34°F
SE 12 mph
Precip.
0%
0%
Night

30°F
SE 9 mph
Precip.
0%
0%
28.12
sun
sun
Day

37°F
SE 11 mph
Precip.
0%
0%
Night

30°F
SE 4 mph
Precip.
0%
0%
29.12
mon
mon
Day

28°F
SW 6 mph
Precip.
100%
100%
Night

25°F
NW 2 mph
Precip.
0%
0%
30.12
tue
tue
Day

28°F
W 6 mph
Precip.
100%
100%
Night

28°F
SW 4 mph
Precip.
100%
100%
sea water
temperature
temperature
| Vasteras |
monthly
weather
weather
| Vasteras |
current
weather
weather
| Vasteras |
7 days
forecast
forecast
| Vasteras |
Sea water temperature in December, °F
Show year:
2025
2024
2023
The average sea water temperature in December of 2025 was 37.4°F. The highest and lowest sea temperatures during the month were 40.5°F and 33.8°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 34.1°F. The highest and lowest sea temperatures during the month were 37.0°F and 31.8°F.
Air temperature in Vasteras, °F
Precipitation total in Vasteras, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Vasteras
Vasteras on a weather map
Places in Sweden:
Name
°F
24 Hours Forecast
Vasteras
Local time: 23:43
December 18, thursday
0000

37°F
NE
7 mph
7 mph
0300

36°F
NE
6 mph
6 mph
0600

36°F
N
6 mph
6 mph
0900

36°F
N
8 mph
8 mph
1200

39°F
N
11 mph
11 mph
1500

41°F
NE
11 mph
11 mph
1800

43°F
NE
12 mph
12 mph
2100

43°F
NE
8 mph
8 mph




























