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When to go · Piran

Piran in January

Avoid month. Listed as a month to avoid: Jul–Aug midday heat and crowds; Nov–Mar, when many seafront places close.

Key facts

Verdict
Avoid
Temperature
9°C (48°F) / 3°C (37°F)
average high / low
Rain days
8
Crowds
Low
Slovenia overall
Prices
Low
Slovenia overall

Verdict

AvoidBest and avoid months for Piran

Listed as a month to avoid: Jul–Aug midday heat and crowds; Nov–Mar, when many seafront places close.

Is another month better than January?

January is rated avoid. These months rate higher:

Weather in January

Long-term averages
  • PiranHighs around 9 °C (48 °F), lows around 3 °C (37 °F), 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.

Compare two months

Weather, crowds and prices for any two months in Piran, side by side.

  • Verdict

    Jan: Avoid

    May: Great (better)

  • Daytime high

    Jan: 9 °C (48 °F)

    May: 22 °C (72 °F)

  • Night low

    Jan: 3 °C (37 °F)

    May: 13 °C (55 °F)

  • Rain days

    Jan: 8 (better)

    May: 9

  • Crowds

    Jan: Low

    May: Medium

  • Prices

    Jan: Low

    May: Medium

  • Festivals listed

    Jan: 0

    May: 0

January: Listed as a month to avoid: Jul–Aug midday heat and crowds; Nov–Mar, when many seafront places close.

May: Inside Piran's best window: May–Sep.

Piran: figures are long-term averages from this guide, not a forecast.

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 →