Measurements:
°C
°F
Jonkoping
56°F
NE 4 mph
Feels like: 54°F
Precip: 30%
World Resorts Sweden Jonkoping Weather

Jonkoping Sea Water Temperature

Current Sea Water Temperature:
+55.8°F
Maximum Sea Water Temperature in September: 66.0°F
Minimum Sea Water Temperature in September: 30.0°F
Average water temperature in September: 58.0°F

Sea Water Temperature for the Last 10 Days:

September 28 55.8°F September 23 53.8°F
September 27 55.2°F September 22 56.4°F
September 26 55.8°F September 21 57.6°F
September 25 55.8°F September 20 58.2°F
September 24 53.6°F September 19 58.6°F

When is the Warmest Sea for Jonkoping?

According to our data for the last three years for Jonkoping 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 Jonkoping was 60.1°F. The maximum and minimum values were 52.0°F and 63.6°F respectively.

Sea Water Temperature in July

Select Year: 2026 2025 2024

The average sea surface temperature in July 2026 for Jonkoping was 64.3°F. The maximum and minimum values were 58.4°F and 70.0°F respectively.

Sea Water Temperature in September

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Jonkoping was 59.1°F. The maximum and minimum values were 53.6°F and 63.2°F respectively.

Best Time to Visit Jonkoping
The most sunny months:
May 12 days
June 10 days
April 10 days
The most warm months:
July 70.4 °F
August 68.7 °F
June 67.4 °F
Warmest sea temperature:
August 61.8 °F
July 60.3 °F
September 58.0 °F
The most cold months:
January 29.2 °F
February 30.9 °F
December 32.9 °F
The most rainy months:
July 4 days
June 3 days
August 3 days
The most windy months:
December 10 mph
January 9 mph
February 9 mph

Jonkoping on the Weather Map

Sweden Resorts:
NAME
F°
Gothenburg +54
Helsinborg +60
Jonkoping +56
Karlstad +58
Kristianstad +58
Lund +60
Malmo +62
Orebro +56
Ostersund +44
Stockholm +58
Sundsvall +54
Uppsala +58
Vasteras +58
24 Hours Weather Forecast
Jonkoping
Local time: 23:54
29 sep, tuesday
0000 56°F
NE
4 mph
0300 56°F
NE
4 mph
0600 54°F
E
3 mph
0900 54°F
SW
1 mph
1200 60°F
SW
4 mph
1500 58°F
SW
4 mph
1800 56°F
W
4 mph
2100 56°F
W
4 mph