Weather in June
June introduces the full swing of summer to Koper, turning the city into a lively haven. With the sea temperature reaching 22.8°C (73°F), residents revel in the aquatic amenities on offer. The longest daylight hours of the year further add to the joys of summer. The pleasant weather conditions contribute to a buzzing social atmosphere. It is a time of exploration, celebration, and soaking up the sun-kissed beauty of Koper.
Note: For someone sensitive to cold, swimming in 22.8°C (73°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)
On the first day of June, sunrise is at 05:19 and sunset at 20:46. On the last day of the month, sunrise is at 05:19 and sunset at 20:57 CEST.
Sea temperature
In June, the average sea temperature is 22.8°C (73°F).Note: For someone sensitive to cold, swimming in 22.8°C (73°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)
Daylight
With an average of 15h and 36min of daylight, June has the longest days of the year.On the first day of June, sunrise is at 05:19 and sunset at 20:46. On the last day of the month, sunrise is at 05:19 and sunset at 20:57 CEST.
Updated: Jan 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the sea temperature in June in Koper?
In June, the average sea temperature in Koper, Slovenia, is 22.8°C (73°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 22.8°C (73°F).
When are the longest days in Koper?
June has the longest days of the year, with an average of 15h and 36min of daylight.
What is the average length of the day in June in Koper?
In June, the average day length in Koper, Slovenia, is 15h and 38min.
When are sunrise and sunset in June in Koper?
In June, on the first day of the month, sunrise is at 05:19 and sunset at 20:46. On the last day of the month, in Koper, sunrise is at 05:19 and sunset at 20:57 CEST.
Average sea temperature in June
Koper, Slovenia
- Average sea temperature in June: 22.8°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).
Average daylight in June
Koper, Slovenia
- Average daylight in June: 15h and 4min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
Koper, Slovenia
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