01.07
wed
wed
Day
93°F
E 4 mph
Precip.
1%
1%
Night
68°F
W 7 mph
Precip.
47%
47%
02.07
thu
thu
Day
82°F
SW 11 mph
Precip.
4%
4%
Night
68°F
W 6 mph
Precip.
5%
5%
03.07
fri
fri
Day
86°F
SE 7 mph
Precip.
1%
1%
Night
70°F
W 7 mph
Precip.
36%
36%
04.07
sat
sat
Day
82°F
SW 6 mph
Precip.
2%
2%
Night
66°F
W 4 mph
Precip.
6%
6%
05.07
sun
sun
Day
82°F
E 7 mph
Precip.
1%
1%
Night
66°F
W 4 mph
Precip.
4%
4%
06.07
mon
mon
Day
84°F
E 6 mph
Precip.
1%
1%
Night
66°F
W 6 mph
Precip.
17%
17%
07.07
tue
tue
Day
86°F
NW 4 mph
Precip.
17%
17%
Night
70°F
W 3 mph
Precip.
6%
6%
08.07
wed
wed
Day
88°F
SE 4 mph
Precip.
1%
1%
Night
70°F
W 6 mph
Precip.
6%
6%
09.07
thu
thu
Day
88°F
SE 6 mph
Precip.
1%
1%
Night
72°F
W 4 mph
Precip.
5%
5%
10.07
fri
fri
Day
90°F
SE 5 mph
Precip.
1%
1%
Night
72°F
W 4 mph
Precip.
4%
4%
11.07
sat
sat
Day
90°F
SE 6 mph
Precip.
1%
1%
Night
72°F
W 5 mph
Precip.
13%
13%
12.07
sun
sun
Day
93°F
E 4 mph
Precip.
1%
1%
Night
77°F
W 5 mph
Precip.
2%
2%
13.07
mon
mon
Day
95°F
NW 5 mph
Precip.
1%
1%
Night
75°F
W 4 mph
Precip.
4%
4%
14.07
tue
tue
Day
95°F
SE 4 mph
Precip.
1%
1%
Night
81°F
SW 4 mph
Precip.
2%
2%
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 78.7°F. The highest and lowest sea temperatures during the month were 81.9°F and 76.5°F.
Air temperature in Koper, °F
Precipitation total in Koper, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Koper
Koper on a weather map
Places in Slovenia:
Name
°F
24 Hours Forecast
Koper
Local time: 09:47
July 01, wednesday
1200
93°F
E
4 mph
4 mph
1500
90°F
E
7 mph
7 mph
1800
91°F
NE
3 mph
3 mph
2100
72°F
S
4 mph
4 mph
July 02, thursday
0000
68°F
W
7 mph
7 mph
0300
66°F
SW
4 mph
4 mph
0600
64°F
SW
6 mph
6 mph
0900
77°F
SW
11 mph
11 mph
