When to go · Portorož
Portorož in December
Mixed month. Outside the best window (May–Sep). Across Slovenia: Ljubljana's lights and markets; ski season opens.
Key facts
- Verdict
- Mixed
- Temperature
- 11°C (52°F)52°F (11°C) / 3°C (37°F)37°F (3°C)
- average high / low
- Rain days
- 9
- Crowds
- Medium
- Slovenia overall
- Prices
- Medium
- Slovenia overall
Verdict
Outside the best window (May–Sep). Across Slovenia: Ljubljana's lights and markets; ski season opens.
Is another month better than December?
December is rated mixed. These months rate higher:
Weather in December
- PortorožHighs around 11 °C (52 °F), lows around 3 °C (37 °F), rain on about 9 daysHighs around 52 °F (11 °C), lows around 37 °F (3 °C), rain on about 9 days
Festivals and holidays
Dates as our data lists them. Moving holidays (lunar and Islamic calendars, Easter) shift every year: check the date for your year before you build a trip on it.
Christmas, Independence and Unity Day big impact
25–26 Dec · Slovenia
Shops closed; ski resorts busy.
Crowds and prices
- Crowds · Slovenia overall
- Medium
- Prices · Slovenia overall
- Medium
Slovenia overall: Ljubljana's lights and markets; ski season opens.
Compare two months
Weather, crowds and prices for any two months in Portorož, side by side.
Verdict
Dec: Mixed
May: Great (better)
Daytime high
Dec: 11 °C (52 °F)52 °F (11 °C)
May: 23 °C (73 °F)73 °F (23 °C)
Night low
Dec: 3 °C (37 °F)37 °F (3 °C)
May: 13 °C (55 °F)55 °F (13 °C)
Rain days
Dec: 9
May: 4 (better)
Crowds
Dec: Medium
May: Medium
Prices
Dec: Medium
May: Medium
Festivals listed
Dec: 1
May: 0
December: Outside the best window (May–Sep). Across Slovenia: Ljubljana's lights and markets; ski season opens.
May: Inside Portorož's best window: May–Sep.
Portorož: figures are long-term averages from this guide, not a forecast.
What to pack
- A warm coat, hat and gloves for mornings and evenings