December · Slovenia
Best time to visit Postojna Cave in DecemberWeather, crowds & prices
December score
6.7/10
Ranked #5 of 12 months
- Avg temp
- 4°C
- Rainfall
- 60 mm
- Humidity
- 82%
- Sunny days
- 8
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $$ · Moderate Cost ($$)
December in Postojna Cave scores 6.7/10 for nature and wildlife travel - an above-average month (#5 of 12). Expect around 4°C, 60 mm of rain, and roughly 8 sunny days this month.
Postojna Cave is a karst cathedral of stalactites—electric train rides deep underground and nearby Predjama Castle cliff views. Best window: late spring through early autumn.
Curated in Postojna Cave
Tickets & experiences
Things to do in Postojna Cave
Postojna Cave, Slovenia. Live activities and tours from GetYourGuide, matched to this destination.
