Measurements:
°C
°F
CURRENT WEATHER
19:35
Koper
62°F
W 2 mph
Feels like: 62°F
Precip: 5%
World Resorts Slovenia Koper Weather

7 Day Weather Forecast

06.06
sat
DAY
78°F
E 3 mph
precip
1%
NIGHT
58°F
W 3 mph
precip
4%
06.07
sun
DAY
80°F
E 5 mph
precip
0%
NIGHT
64°F
W 4 mph
precip
3%
06.08
mon
DAY
88°F
E 2 mph
precip
0%
NIGHT
66°F
W 4 mph
precip
4%
06.09
tue
DAY
84°F
E 6 mph
precip
1%
NIGHT
64°F
W 5 mph
precip
3%
06.10
wed
DAY
84°F
NE 2 mph
precip
1%
NIGHT
58°F
W 7 mph
precip
73%
06.11
thu
DAY
78°F
S 3 mph
precip
73%
NIGHT
56°F
SW 7 mph
precip
77%
06.12
fri
DAY
70°F
SW 12 mph
precip
3%
NIGHT
56°F
W 4 mph
precip
6%

Koper Sea Water Temperature in June, °F

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for Koper was 24.1°F. The maximum and minimum values were 22.0°F and 27.3°F respectively.

Koper on the Weather Map

Best Time to Visit Koper
The most sunny months:
August 23 days
July 22 days
June 20 days
The most warm months:
August 88.9 °F
July 88.7 °F
June 83.6 °F
Warmest sea temperature:
August 81.5 °F
July 81.2 °F
September 76.5 °F
The most cold months:
January 45.0 °F
December 47.8 °F
February 48.1 °F
The most rainy months:
May 7 days
November 6 days
September 6 days
The most windy months:
March 6 mph
February 6 mph
November 6 mph
more details