Koper Weather: July
 |
Average Day Temperature: | 88.7°F |
|
Average Night Temperature: | 67.9°F |
|
Sea Water Temperature: | 81.2°F |
|
Number of Sunny Days: | 22 days |
| Sunshine Hours: | 14.8 - 15.6 hours | |
|
Number of Rainy Days: | 5 days |
| Precipitation Totals: | 2.7 in | |
| detailed information | ||
14 day weather
forecast
forecast
| Koper |
Sea Water
Temperature
Temperature
| Koper |
Air Temperature in July, °F
The highest day temperature in July 2025 was 98°F. The lowest night temperature was 60°F. The average values for day and night temperatures during July were 85.0°F и 68.3°F respectivly.
Koper Water Sea Temperature in July, °F
The average sea surface temperature in July 2025 for Koper was 81.9°F. The maximum and minimum values were 79.4°F and 85.4°F respectively.
Sunny, Cloudy and Gloomy days
Most of the days in July are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in July, in
Precipitation total in July for Koper is 2.7 in.
Wind Speed in July, mph
The average wind speed in July is 5.1 mph. This value is relatively stable throughout the year.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Koper in July is 11.7 hours.
Koper on the Weather Map
Slovenia Resorts:
NAME
F°
| Bled |  |
+40 |
| Bohinjsko Jezero | |
+40 |
| Cerkno | |
+52 |
| Dolenjske Toplice |  |
+42 |
| Isola | |
+50 |
| Koper | |
+50 |
| Kranjska Gora | |
+40 |
| Ljubljana | |
+52 |
| Maribor | |
+40 |
| Moravske Toplice | |
+44 |
| Otocec | |
+42 |
| Piran | |
+50 |
| Portoroz | |
+50 |
| Rogaska Slatina |  |
+46 |
| Strunjan | |
+50 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Koper
Local time: 01:02
15 nov, saturday
| 0300 |  |
50°F | NW 2 mph |
| 0600 | |
48°F | NW 3 mph |
| 0900 | |
54°F | N 4 mph |
| 1200 | |
60°F | N 5 mph |
| 1500 | |
60°F | N 5 mph |
| 1800 | |
58°F | N 4 mph |
| 2100 | |
50°F | N 4 mph |
16 nov, sunday
| 0000 |  |
52°F | N 4 mph |