When to go · Koper
Koper in June
Great month. Inside Koper's best window: May–Jun, Sep–early Oct.
Key facts
- Verdict
- Great
- Temperature
- 27°C (81°F)81°F (27°C) / 17°C (63°F)63°F (17°C)
- average high / low
- Rain days
- 10
- Crowds
- High
- Slovenia overall
- Prices
- Medium
- Slovenia overall
Verdict
Inside Koper's best window: May–Jun, Sep–early Oct.
Is another month better than June?
No other month rates higher than June for Koper in this guide.
Weather in June
- KoperHighs around 27 °C (81 °F), lows around 17 °C (63 °F), rain on about 10 daysHighs around 81 °F (27 °C), lows around 63 °F (17 °C), 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
- High
- Prices · Slovenia overall
- Medium
Slovenia overall: Excellent: long days, open passes, sea warming.
Compare two months
Weather, crowds and prices for any two months in Koper, side by side.
Verdict
Jun: Great
May: Great
Daytime high
Jun: 27 °C (81 °F)81 °F (27 °C)
May: 23 °C (73 °F)73 °F (23 °C)
Night low
Jun: 17 °C (63 °F)63 °F (17 °C)
May: 13 °C (55 °F)55 °F (13 °C)
Rain days
Jun: 10
May: 10
Crowds
Jun: High
May: Medium
Prices
Jun: Medium
May: Medium
Festivals listed
Jun: 0
May: 0
June: Inside Koper's best window: May–Jun, Sep–early Oct.
May: Inside Koper's best window: May–Jun, Sep–early Oct.
Koper: figures are long-term averages from this guide, not a forecast.
What to pack
- A rain jacket or umbrella and shoes that dry fast