Dark Sky Odds

Stargazing at Őrség National Park: when is the sky clear and dark?

March is the best month for stargazing at Őrség National Park: on average 45 clear, moonless hours of full darkness, and 28% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 67% 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 · Hungary

MarchBest month
376Clear moonless dark hours a year
67%darker than … of Europe’s land
28%Nights with ≥ 2 such hours (March)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January21%3117318%
February24%3514724%
March28%4513533%
April22%309930%
May14%156624%
June12%114624%
July18%175730%
August27%359537%
September26%4112333%
October27%4315428%
November22%3416920%
December23%3718420%

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 than67% of Europe’s land
Light pollutiondark rural sky (darkest 20–50 %)
Sky-glow index (own, VIIRS) — Darkest spot we found1.54
Sky-glow index (own, VIIRS) — at the official map point7.77
Sky-glow index (own, VIIRS) — median across the area2.42
Darkest spot we found46.792, 16.508 (map) — within 12 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 202610.822%
9 December 20268–9 December 202611.723%
7 January 20277–8 January 202711.521%
6 February 20276–7 February 202710.724%
8 March 20277–8 March 20279.328%
6 April 20276–7 April 20277.322%
6 May 20276–7 May 20275.214%
4 June 20274–5 June 20272.812%
4 July 20273–4 July 20272.718%
2 August 20271–2 August 20274.827%
31 August 202731 August 2027 – 1 September 20277.027%
30 September 202729–30 September 20278.826%

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 202637%55%6.565°
Geminids *13–14 December 202630%20%10.276°
Geminids *14–15 December 202627%28%9.076°
Quadrantids3–4 January 202743%13%11.770°
Lyrids22–23 April 202750%95%1.277°
Eta Aquariids *5–6 May 202732%0%6.816°
Eta Aquariids *6–7 May 202727%0%6.816°
Perseids *12–13 August 202767%84%3.267°
Perseids *13–14 August 202767%90%2.268°
Orionids21–22 October 202742%59%3.359°
Leonids *17–18 November 202737%82%1.865°
Leonids *18–19 November 202742%73%3.065°
Geminids14–15 December 202727%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