Dark Sky Odds

Stargazing at Nationalpark Hohe Tauern Außenzonen Land Salzburg: when is the sky clear and dark?

December is the best month for stargazing at Nationalpark Hohe Tauern Außenzonen Land Salzburg: on average 37 clear, moonless hours of full darkness, and 19% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 84% 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

national park · Austria

DecemberBest month
193Clear moonless dark hours a year
84%darker than … of Europe’s land
19%Nights with ≥ 2 such hours (December)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January15%2518214%
February18%2414517%
March14%2213616%
April10%139813%
May4%4646%
June2%2377%
July4%5559%
August5%8948%
September8%91248%
October13%1715411%
November17%2616815%
December19%3717921%

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.

Light pollution

Darker than84% of Europe’s land
Light pollutionvery dark (darkest 5–20 %)
Sky-glow index (own, VIIRS) — Darkest spot we found0.46
Sky-glow index (own, VIIRS) — at the official map point0.61
Sky-glow index (own, VIIRS) — median across the area0.75
Darkest spot we found47.108, 12.908 (map) — within 9.2 km of the Wikidata point (no OSM boundary)

Next new moons

New moonNightMoonless dark hours that nightTypical share of good nights that month
9 November 20268–9 November 202610.817%
9 December 20268–9 December 202611.819%
7 January 20277–8 January 202711.715%
6 February 20276–7 February 202710.718%
8 March 20277–8 March 20279.214%
6 April 20276–7 April 20277.210%
6 May 20275–6 May 20275.04%
4 June 20274–5 June 20272.72%
4 July 20273–4 July 20272.54%
2 August 20271–2 August 20274.75%
31 August 202731 August 2027 – 1 September 20276.85%
30 September 202729–30 September 20278.88%

Hours with the Sun below −18° and the Moon below the horizon, on the night of the new moon, at the darkest spot.

Meteor showers

ShowerPeak nightChance of a clear peak nightMoon litMoonless dark hours (Sun < −12°)Radiant max. height
Leonids17–18 November 202628%55%6.564°
Geminids *13–14 December 202627%20%10.376°
Geminids *14–15 December 202625%28%9.276°
Quadrantids3–4 January 202720%13%11.771°
Lyrids22–23 April 202722%95%1.376°
Eta Aquariids *5–6 May 202717%0%6.715°
Eta Aquariids *6–7 May 202720%0%6.716°
Perseids *12–13 August 202713%84%3.267°
Perseids *13–14 August 202710%90%2.068°
Orionids21–22 October 202722%59%3.359°
Leonids *17–18 November 202728%82%1.764°
Leonids *18–19 November 202725%73%3.064°
Geminids14–15 December 202725%98%0.076°

* The peak falls in daylight in Europe, so both neighbouring nights are shown.

Clear peak night: at least 2 hours with ≤ 20 % cloud while the Sun is below −12°, on the same calendar night ± 1 in 2006–2025.

How we calculate