Measurements:
°C
°F
Vasteras
38°F
N 9 mph
Feels like: 30°F
Precip: 100%
World Resorts Sweden Vasteras Weather

Vasteras Sea Water Temperature

Current Sea Water Temperature:
+36.0°F
Maximum Sea Water Temperature in March: 36.6°F
Minimum Sea Water Temperature in March: 28.0°F
Average water temperature in March: 31.6°F

Sea Water Temperature for the Last 10 Days:

March 30 36.0°F March 25 32.6°F
March 29 33.8°F March 24 32.6°F
March 28 34.4°F March 23 32.6°F
March 27 32.8°F March 22 32.4°F
March 26 32.4°F March 21 32.4°F

When is the Warmest Sea for Vasteras?

According to our data for the last three years for Vasteras the highest average sea water temperature was in August, July and September.

Average Water Temperature by Month, °F

Sea Water Temperature in August

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Vasteras was 67.8°F. The maximum and minimum values were 63.6°F and 72.2°F respectively.

Sea Water Temperature in July

Select Year: 2025 2024 2023

The average sea surface temperature in July 2025 for Vasteras was 68.1°F. The maximum and minimum values were 62.0°F and 75.0°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Vasteras was 62.9°F. The maximum and minimum values were 59.4°F and 65.8°F respectively.

Best Time to Visit Vasteras
The most sunny months:
June 13 days
May 12 days
July 11 days
The most warm months:
July 72.5 °F
August 70.4 °F
June 68.7 °F
Warmest sea temperature:
August 63.9 °F
July 60.6 °F
September 59.2 °F
The most cold months:
January 27.2 °F
February 30.0 °F
December 31.4 °F
The most rainy months:
July 4 days
June 3 days
August 3 days
The most windy months:
December 9 mph
January 9 mph
March 9 mph

Vasteras on the Weather Map

Sweden Resorts:
NAME
Gothenburg +42
Helsinborg +44
Jonkoping +42
Karlstad +38
Kristianstad +44
Lund +44
Malmo +42
Orebro +40
Ostersund +32
Stockholm +38
Sundsvall +36
Uppsala +38
Vasteras +38
24 Hours Weather Forecast
Vasteras
Local time: 13:53
30 mar, monday
1500 38°F
N
9 mph
1800 40°F
N
6 mph
2100 34°F
NW
8 mph
31 mar, tuesday
0000 34°F
NW
6 mph
0300 32°F
N
5 mph
0600 34°F
NW
2 mph
0900 34°F
SW
3 mph
1200 36°F
S
4 mph