21.12
sun
sun
Day
37°F
E 6 mph
Precip.
0%
0%
Night
32°F
SE 4 mph
Precip.
0%
0%
22.12
mon
mon
Day
34°F
S 4 mph
Precip.
0%
0%
Night
36°F
SW 6 mph
Precip.
0%
0%
23.12
tue
tue
Day
34°F
W 4 mph
Precip.
0%
0%
Night
28°F
NE 5 mph
Precip.
0%
0%
24.12
wed
wed
Day
32°F
E 9 mph
Precip.
0%
0%
Night
30°F
E 4 mph
Precip.
0%
0%
25.12
thu
thu
Day
32°F
E 9 mph
Precip.
0%
0%
Night
36°F
SE 6 mph
Precip.
0%
0%
26.12
fri
fri
Day
34°F
SE 3 mph
Precip.
0%
0%
Night
32°F
E 6 mph
Precip.
0%
0%
27.12
sat
sat
Day
37°F
SE 12 mph
Precip.
0%
0%
Night
32°F
E 6 mph
Precip.
59%
59%
sea water
temperature
temperature
| Vasteras |
monthly
weather
weather
| Vasteras |
current
weather
weather
| Vasteras |
14 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 37.2°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: 05:09
December 21, sunday
0600
37°F
E
6 mph
6 mph
0900
36°F
E
5 mph
5 mph
1200
37°F
E
6 mph
6 mph
1500
36°F
SE
6 mph
6 mph
1800
34°F
SE
5 mph
5 mph
2100
34°F
SE
4 mph
4 mph
December 22, monday
0000
32°F
SE
4 mph
4 mph
0300
34°F
SE
4 mph
4 mph
