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Draft data. Times, fares and step counts are desk estimates awaiting field checks. Unknown times stay unknown. How we verify

When to go · Koper

Koper in January

Mixed month. Outside the best window (May–Jun, Sep–early Oct). Across Slovenia: Ski season at Kranjska Gora and Vogel; Ljubljana foggy and quiet.

Key facts

Verdict
Mixed
Temperature
9°C / 3°C
average high / low
Rain days
8
Crowds
Low
Slovenia overall
Prices
Low
Slovenia overall

Verdict

MixedSlovenia month rating

Outside the best window (May–Jun, Sep–early Oct). Across Slovenia: Ski season at Kranjska Gora and Vogel; Ljubljana foggy and quiet.

Weather in January

Long-term averages
  • KoperHighs around 9 °C, lows around 3 °C, rain on about 8 days
  • Karst and coast, Slovenia · Piran, Izola, Koper, Lipicacool

    Mediterranean; the bora wind blasts the Karst in winter; sea swimming June–September.

Crowds and prices

Crowds · Slovenia overall
Low
Prices · Slovenia overall
Low

Slovenia overall: Ski season at Kranjska Gora and Vogel; Ljubljana foggy and quiet.

What to pack

  • A warm coat, hat and gloves for mornings and evenings
  • Layers: a fleece or light jacket

Build the full packing list for your trip →

Across Slovenia in January →