Current Sea Water Temperature:
+66.6°F
| Maximum Sea Water Temperature in May: | 75.0°F |
| Minimum Sea Water Temperature in May: | 57.0°F |
| Average water temperature in May: | 65.5°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| May 16 | 66.6°F | May 08 | 65.2°F |
| May 15 | 66.2°F | May 07 | 65.4°F |
| May 14 | 65.6°F | May 06 | 64.8°F |
| May 13 | 66.2°F | May 05 | 65.0°F |
| May 09 | 64.6°F | May 04 | 65.0°F |
When is the Warmest Sea for Koper?
According to our data for the last three years for Koper the highest average sea water temperature was in August, July and September.
Average Water Temperature by Month, °F
Sea Water Temperature in August
The average sea surface temperature in August 2024 for Koper was 84.8°F. The maximum and minimum values were 82.0°F and 88.8°F respectively.
Sea Water Temperature in July
The average sea surface temperature in July 2024 for Koper was 83.5°F. The maximum and minimum values were 80.4°F and 88.4°F respectively.
Sea Water Temperature in September
The average sea surface temperature in September 2024 for Koper was 78.3°F. The maximum and minimum values were 71.0°F and 86.2°F respectively.
Slovenia Resorts:
NAME
F°
| Bled |  |
+38 |
| Bohinjsko Jezero |  |
+54 |
| Cerkno | |
+58 |
| Dolenjske Toplice |  |
+60 |
| Isola | |
+60 |
| Koper | |
+62 |
| Kranjska Gora | |
+50 |
| Ljubljana | |
+58 |
| Maribor | |
+58 |
| Piran | |
+62 |
| Portoroz | |
+62 |
| Rogaska Slatina | |
+58 |
| Rogla | |
+54 |
| Smarjeske Toplice | |
+58 |
| Strunjan | |
+62 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Koper
Local time: 08:10
17 may, saturday
| 0900 |  |
62°F | SE 1 mph |
| 1200 | |
64°F | NE 8 mph |
| 1500 |  |
64°F | NE 9 mph |
| 1800 | |
64°F | N 8 mph |
| 2100 |  |
60°F | NW 9 mph |
18 may, sunday
| 0000 |  |
58°F | NW 8 mph |
| 0300 | |
58°F | NW 9 mph |
| 0600 |  |
60°F | NW 6 mph |