Measurements:
°C
°F
Karlstad
58°F
NE 18 mph
Feels like: 54°F
Precip: 28%
World Resorts Sweden Karlstad Weather

Karlstad Sea Water Temperature

Current Sea Water Temperature:
+63.6°F
Maximum Sea Water Temperature in September: 67.0°F
Minimum Sea Water Temperature in September: 30.0°F
Average water temperature in September: 59.3°F

Sea Water Temperature for the Last 10 Days:

September 08 63.6°F September 03 65.2°F
September 07 63.8°F September 02 65.4°F
September 06 63.6°F September 01 65.0°F
September 05 65.4°F August 31 65.6°F
September 04 65.8°F August 30 65.4°F

When is the Warmest Sea for Karlstad?

According to our data for the last three years for Karlstad 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: 2026 2025 2024

The average sea surface temperature in August 2026 for Karlstad was 65.2°F. The maximum and minimum values were 62.8°F and 66.2°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Karlstad was 67.1°F. The maximum and minimum values were 64.0°F and 70.4°F respectively.

Sea Water Temperature in September

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Karlstad was 62.1°F. The maximum and minimum values were 59.8°F and 64.4°F respectively.

Best Time to Visit Karlstad
The most sunny months:
June 13 days
May 13 days
July 13 days
The most warm months:
July 70.4 °F
August 67.9 °F
June 65.6 °F
Warmest sea temperature:
August 64.8 °F
July 64.5 °F
September 59.2 °F
The most cold months:
January 29.0 °F
February 30.6 °F
December 33.9 °F
The most rainy months:
August 6 days
July 5 days
October 4 days
The most windy months:
December 11 mph
November 11 mph
October 11 mph

Karlstad on the Weather Map

Sweden Resorts:
NAME
Gothenburg +56
Helsinborg +58
Jonkoping +52
Karlstad +58
Kristianstad +54
Lund +58
Malmo +62
Orebro +56
Ostersund +46
Stockholm +58
Sundsvall +50
Uppsala +58
Vasteras +58
24 Hours Weather Forecast
Karlstad
Local time: 23:29
09 sep, wednesday
0000 58°F
NE
18 mph
0300 58°F
NE
17 mph
0600 58°F
NE
16 mph
0900 58°F
NE
14 mph
1200 58°F
NE
14 mph
1500 62°F
NE
11 mph
1800 58°F
S
14 mph
2100 54°F
S
15 mph