July weather forecast
Koper, Slovenia

Weather in July

Sea temperature

The months with the warmest seawater in Koper, Slovenia, are July and August, with an average sea temperature of 24.8°C (76.6°F).
Note: Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 24.8°C (76.6°F) water may be enjoyable. (FYI: The official water temperature required for the Olympic swimming competition is 25°C (77°F) to 28°C (82.4°F).)

Daylight

The average length of the day in July in Koper, Slovenia, is 15h and 17min.
On the first day of July, sunrise is at 05:20 and sunset at 20:57. On the last day of the month, sunrise is at 05:47 and sunset at 20:35 CEST.
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FAQ

What are the months with the warmest sea water in Koper?

The months with the warmest seawater are July and August, with an average sea temperature of 24.8°C (76.6°F).

What is the sea temperature in July in Koper?

In Koper, the average seawater temperature in July is 24.8°C (76.6°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 24.8°C (76.6°F).

How many hours of daylight does Koper have in July?

The average day length in July in Koper, Slovenia, is 15h and 17min.

What time are sunrise and sunset in July in Koper?

On the first day of July, sunrise is at 05:20 and sunset at 20:57. On the last day of the month, sunrise is at 05:47 and sunset at 20:35 CEST.

Average sea temperature in July
Koper, Slovenia

Average sea temperature in July - Koper, Slovenia
  • Average sea temperature in July: 24.8°C

The best months for swimming (with the highest average sea temperature) are July and August (24.8°C).
The coldest month (with the lowest average sea temperature) is February (9.3°C).

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Average daylight in July
Koper, Slovenia

Average daylight in July - Koper, Slovenia
  • Average daylight in July: 15h and 17min

The month with the longest days is June (Average daylight: 15h and 38min).
The month with the shortest days is December (Average daylight: 8h and 46min).

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