April weather forecast and climate
Koper, Slovenia

Average sea temperature in April - Koper, Slovenia
  • Average sea temperature in April: 13.1°C

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 April - Koper, Slovenia
  • Average daylight in April: 13.6h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).

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