When to go · Koper
Koper in May
Great month. Inside Koper's best window: May–Jun, Sep–early Oct.
Key facts
- Verdict
- Great
- Temperature
- 23°C73°F / 13°C55°F
- average high / low
- Rain days
- 10
- Crowds
- Medium
- Slovenia overall
- Prices
- Medium
- Slovenia overall
Verdict
GreatBest and avoid months for Koper
Inside Koper's best window: May–Jun, Sep–early Oct.
Weather in May
- KoperHighs around 23 °C, lows around 13 °C, rain on about 10 daysHighs around 73 °F, lows around 55 °F, rain on about 10 days
- Karst and coast, Slovenia · Piran, Izola, Koper, Lipicabest weather
Mediterranean; the bora wind blasts the Karst in winter; sea swimming June–September.
Crowds and prices
- Crowds · Slovenia overall
- Medium
- Prices · Slovenia overall
- Medium
Slovenia overall: Green valleys, cave visits without queues; high trails still snowy.
What to pack
- A rain jacket or umbrella and shoes that dry fast