Dark Sky Odds

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

March is the best month for stargazing at Meinweg National Park: on average 37 clear, moonless hours of full darkness, and 24% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 11% 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 · Netherlands

MarchBest month
235Clear moonless dark hours a year
11%darker than … of Europe’s land
24%Nights with ≥ 2 such hours (March)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January15%2518114%
February17%2514717%
March24%3713128%
April21%258629%
May8%93228%
June0%00—
July2%21416%
August13%167821%
September18%2611522%
October16%2715318%
November16%2217512%
December12%2118811%

No astronomical darkness (June): the Sun stays above −18° all night.

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 than11% of Europe’s land
Light pollutionstrong light pollution
Sky-glow index (own, VIIRS) — Darkest spot we found24
Sky-glow index (own, VIIRS) — at the official map point27
Sky-glow index (own, VIIRS) — median across the area26
Darkest spot we found51.192, 6.158 (map) — within the OSM boundary

Next new moons

New moonNightMoonless dark hours that nightTypical share of good nights that month
9 November 20268–9 November 202610.816%
9 December 20268–9 December 202611.812%
7 January 20277–8 January 202711.815%
6 February 20276–7 February 202710.817%
8 March 20277–8 March 20279.024%
6 April 20276–7 April 20276.721%
6 May 20275–6 May 20273.88%
4 June 20274–5 June 20270.00%
4 July 20273–4 July 20270.02%
2 August 20271–2 August 20273.213%
31 August 202731 August 2027 – 1 September 20276.313%
30 September 202729–30 September 20278.718%

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 202622%55%6.760°
Geminids *13–14 December 202623%20%10.572°
Geminids *14–15 December 202628%28%9.572°
Quadrantids3–4 January 202720%13%12.372°
Lyrids22–23 April 202740%95%1.372°
Eta Aquariids *5–6 May 202743%0%6.011°
Eta Aquariids *6–7 May 202732%1%5.810°
Perseids *12–13 August 202735%84%3.267°
Perseids *13–14 August 202733%90%2.268°
Orionids21–22 October 202728%58%3.055°
Leonids *17–18 November 202722%82%1.560°
Leonids *18–19 November 202722%73%2.861°
Geminids14–15 December 202728%98%0.072°

* 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