When to go · Koper
Koper in August
Avoid month. Listed as a month to avoid: Jul–Aug (crowds, heat, port traffic).
Key facts
- Verdict
- Avoid
- Temperature
- 29°C (84°F)84°F (29°C) / 19°C (66°F)66°F (19°C)
- average high / low
- Rain days
- 8
- Crowds
- High
- Slovenia overall
- Prices
- High
- Slovenia overall
Verdict
Listed as a month to avoid: Jul–Aug (crowds, heat, port traffic).
Is another month better than August?
August is rated avoid. These months rate higher:
Weather in August
- KoperHighs around 29 °C (84 °F), lows around 19 °C (66 °F), rain on about 8 daysHighs around 84 °F (29 °C), lows around 66 °F (19 °C), rain on about 8 days
- Karst and coast, Slovenia · Piran, Izola, Koper, Lipicahot
Mediterranean; the bora wind blasts the Karst in winter; sea swimming June–September.
Crowds and prices
- Crowds · Slovenia overall
- High
- Prices · Slovenia overall
- High
Slovenia overall: Peak crowds and prices at Bled and Piran; Triglav huts full.
High-price month: see what to book ahead.
Compare two months
Weather, crowds and prices for any two months in Koper, side by side.
Verdict
Aug: Avoid
May: Great (better)
Daytime high
Aug: 29 °C (84 °F)84 °F (29 °C)
May: 23 °C (73 °F)73 °F (23 °C)
Night low
Aug: 19 °C (66 °F)66 °F (19 °C)
May: 13 °C (55 °F)55 °F (13 °C)
Rain days
Aug: 8 (better)
May: 10
Crowds
Aug: High
May: Medium
Prices
Aug: High
May: Medium
Festivals listed
Aug: 0
May: 0
August: Listed as a month to avoid: Jul–Aug (crowds, heat, port traffic).
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
- Light, breathable clothes, a sun hat and sunscreen