World Resorts Sweden Vasteras Weather

Vasteras sea water temperature

Current sea water temperature:
+35.8°F
Minimum sea water temperature in December: 44.4°F
Maximum sea water temperature in December: 31.5°F
Average sea water temperature in December: 39.0°F

Sea water temperature for the last 10 days:

December 28 35.8°F December 23 37.4°F
December 27 33.6°F December 22 37.9°F
December 26 37.0°F December 21 37.9°F
December 25 37.8°F December 20 36.9°F
December 24 37.8°F December 19 35.4°F

When is the warmest sea in Vasteras?

Based on the data about daily sea water temperature for the last three years the warmest sea in Vasteras was noticed in August, July and September.

Monthly Sea Temperatures in Vasteras, °F

Sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 66.0°F. The highest and lowest sea temperatures during the month were 70.0°F and 62.2°F.

Sea water temperature in July, °F

Show year:
2025
2024
2023

The average sea water temperature in July of 2025 was 66.3°F. The highest and lowest sea temperatures during the month were 72.5°F and 60.8°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 61.6°F. The highest and lowest sea temperatures during the month were 64.2°F and 58.5°F.

Best time for vacation in Vasteras

Sunniest months:
June 13 days
May 12 days
July 11 days
Warmest months:
July 70.2 °F
August 68.4 °F
June 66.9 °F
Warmest sea temp:
August 62.5 °F
July 59.6 °F
September 58.3 °F
Coldest months:
January 29.8 °F
February 32.4 °F
December 33.4 °F
Rainiest months:
July 4 days
June 3 days
August 3 days
Windiest months:
January 9.2 mph
December 9.1 mph
February 8.9 mph

Vasteras on a weather map

Vasteras
+28°F
E 9 mph
Feels like: +21°F
Precip.: 0%
Places in Sweden:
Name
°F
+28°F
+36°F
+32°F
+30°F
+36°F
+39°F
+41°F
+32°F
+39°F
+32°F
+39°F
+30°F
+36°F
24 Hours Forecast
Vasteras
Local time: 16:51
December 28, sunday
1800
28°F
E
9 mph
2100
32°F
E
10 mph
December 29, monday
0000
34°F
SE
9 mph
0300
32°F
SE
9 mph
0600
34°F
SE
11 mph
0900
32°F
SE
11 mph
1200
32°F
SE
12 mph
1500
30°F
SE
14 mph
Units of measurement: °C / °F