Dark Sky Odds
Triglav National Park

Dark-sky places in Slovenia

Triglav National Park is the only dark-sky place or national park in Slovenia in our list: 300 clear, moonless hours of full darkness a year (ERA5, 2006–2025), darker than 66% of Europe’s land (NASA VIIRS 2025).

Data updated: 31 December 2025 · Sources and licences

Calculated 5 November 2026 · cloud cover ERA5 2006–2025 · night lights NASA VIIRS 2025

PlaceBest monthClear moonless dark hours a yearDarker than…
Triglav National Park
national park
December30066%

Climate, not a forecast: these are shares of past nights (ERA5 reanalysis, 2006–2025), not a prediction for a particular night. Check a forecast before you go.

How we calculate