Sea Temperature in Koper in July

© Peter Feichtinger

Complete information on the sea temperature range in the Adriatic Sea in Koper in July. Historical daily data. Climate details for July. Tips on swimming conditions and beach relaxation in Koper. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Koper Climate and Swimming Opportunities in July

Koper lies within the Urban Municipality of Koper in Slovenia. The average daytime temperature in Koper in July is 28°C (82°F), while the nighttime average is 20°C (67°F). There are typically eight rainy days during the month, with a total precipitation of 64 mm (2.5 inches). The daylight duration in July in Koper is 15 hours, with an average of 9 hours of sunshine per day. The average wind speed in July is 8 km/h (5 mph), and the humidity level is around 66%.

The water temperature in Koper in July ranges from 24°C to 26°C (75°F to 79°F). At the beginning of the month, the average temperature is around 25°C (77°F), shifting to 26°C (79°F) by mid-July and reaching 26°C (79°F) in the last ten days. Overall, the average sea temperature in Koper for July is 25°C (77°F). Perfect swimming weather — warm water and hot air make for an enjoyable and relaxing experience.

Frequently Asked Questions About Water Temperatures in July in Koper