Dark Sky Odds

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

March is the best month for stargazing at Wolin National Park: on average 31 clear, moonless hours of full darkness, and 21% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 60% 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 · Poland

MarchBest month
196Clear moonless dark hours a year
60%darker than … of Europe’s land
21%Nights with ≥ 2 such hours (March)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January12%1818210%
February14%2014514%
March21%3112625%
April22%267734%
May4%41136%
June0%00—
July0%00—
August11%136022%
September22%2911126%
October17%2615217%
November10%151728%
December8%141977%

No astronomical darkness (June, July): 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 than60% of Europe’s land
Light pollutiondark rural sky (darkest 20–50 %)
Sky-glow index (own, VIIRS) — Darkest spot we found2.27
Sky-glow index (own, VIIRS) — at the official map point4.79
Sky-glow index (own, VIIRS) — median across the area6.66
Darkest spot we found53.992, 14.608 (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 202611.010%
9 December 20268–9 December 202612.08%
7 January 20277–8 January 202712.012%
6 February 20276–7 February 202710.714%
8 March 20277–8 March 20278.821%
6 April 20276–7 April 20276.222%
6 May 20275–6 May 20272.34%
4 June 20274–5 June 20270.00%
4 July 20273–4 July 20270.00%
2 August 20271–2 August 20270.711%
31 August 202731 August 2027 – 1 September 20275.711%
30 September 202729–30 September 20278.322%

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 202620%55%7.058°
Geminids *13–14 December 202618%20%11.069°
Geminids *14–15 December 202617%28%9.769°
Quadrantids3–4 January 202737%13%12.774°
Lyrids22–23 April 202757%95%1.368°
Eta Aquariids *5–6 May 202742%0%5.27°
Eta Aquariids *6–7 May 202748%0%5.27°
Perseids *12–13 August 202723%84%3.265°
Perseids *13–14 August 202722%90%2.267°
Orionids21–22 October 202730%59%2.752°
Leonids *17–18 November 202720%82%1.258°
Leonids *18–19 November 202725%73%2.758°
Geminids14–15 December 202717%98%0.069°

* 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