When to go · Postojna
Postojna in January
Mixed month. Outside the best window (All year). Across Slovenia: Ski season at Kranjska Gora and Vogel; Ljubljana foggy and quiet.
Key facts
- Verdict
- Mixed
- Temperature
- 3°C (37°F)37°F (3°C) / −2°C (28°F)28°F (−2°C)
- average high / low
- Rain days
- 12
- Crowds
- Low
- Slovenia overall
- Prices
- Low
- Slovenia overall
Verdict
Outside the best window (All year). Across Slovenia: Ski season at Kranjska Gora and Vogel; Ljubljana foggy and quiet.
Is another month better than January?
January is rated mixed. These months rate higher:
- AprilGoodOutside the best window (All year). Across Slovenia: Spring in Ljubljana and the Karst; waterfalls full; Vršič may still be shut.
- MayGoodOutside the best window (All year). Across Slovenia: Green valleys, cave visits without queues; high trails still snowy.
- JuneGoodOutside the best window (All year). Across Slovenia: Excellent: long days, open passes, sea warming.
- SeptemberGoodOutside the best window (All year). Across Slovenia: Best month: warm sea, clear mountains, fewer people.
Weather in January
- PostojnaHighs around 3 °C (37 °F), lows around -2 °C (28 °F), rain on about 12 daysHighs around 37 °F (3 °C), lows around 28 °F (-2 °C), rain on about 12 days
Crowds and prices
- Crowds · Slovenia overall
- Low
- Prices · Slovenia overall
- Low
Slovenia overall: Ski season at Kranjska Gora and Vogel; Ljubljana foggy and quiet.
Compare two months
Weather, crowds and prices for any two months in Postojna, side by side.
Verdict
Jan: Mixed
Apr: Good (better)
Daytime high
Jan: 3 °C (37 °F)37 °F (3 °C)
Apr: 15 °C (59 °F)59 °F (15 °C)
Night low
Jan: -2 °C (28 °F)28 °F (-2 °C)
Apr: 7 °C (45 °F)45 °F (7 °C)
Rain days
Jan: 12
Apr: 8 (better)
Crowds
Jan: Low
Apr: Medium
Prices
Jan: Low
Apr: Medium
Festivals listed
Jan: 0
Apr: 0
January: Outside the best window (All year). Across Slovenia: Ski season at Kranjska Gora and Vogel; Ljubljana foggy and quiet.
April: Outside the best window (All year). Across Slovenia: Spring in Ljubljana and the Karst; waterfalls full; Vršič may still be shut.
Postojna: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings
- A rain jacket or umbrella and shoes that dry fast