Measurements:
°C
°F
Vasteras
58°F
NW 7 mph
Feels like: 56°F
Precip: 0%
World Resorts Sweden Vasteras Weather

Vasteras Sea Water Temperature

Current Sea Water Temperature:
+48.6°F
Maximum Sea Water Temperature in May: 61.4°F
Minimum Sea Water Temperature in May: 30.0°F
Average water temperature in May: 47.0°F

Sea Water Temperature for the Last 10 Days:

May 07 48.6°F May 02 47.2°F
May 06 48.4°F May 01 44.8°F
May 05 48.8°F April 30 44.0°F
May 04 50.4°F April 29 43.6°F
May 03 50.8°F April 28 43.8°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 +52
Helsinborg +54
Jonkoping +56
Karlstad +50
Kristianstad +52
Lund +52
Malmo +50
Orebro +60
Ostersund +46
Stockholm +50
Sundsvall +50
Uppsala +58
Vasteras +58
24 Hours Weather Forecast
Vasteras
Local time: 17:56
07 may, thursday
1800 58°F
NW
7 mph
2100 48°F
NW
7 mph
08 may, friday
0000 38°F
N
5 mph
0300 34°F
N
5 mph
0600 36°F
NW
4 mph
0900 52°F
NW
7 mph
1200 60°F
NW
8 mph
1500 62°F
N
11 mph