Dark Sky Odds

Stargazing at Albanyà: when is the sky clear and dark?

December is the best month for stargazing at Albanyà: on average 67 clear, moonless hours of full darkness, and 37% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 54% 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

International Dark Sky Park · Spain · DarkSky International

DecemberBest month
498Clear moonless dark hours a year
54%darker than … of Europe’s land
37%Nights with ≥ 2 such hours (December)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January34%5617232%
February33%5314836%
March24%3914028%
April22%2910827%
May22%258530%
June22%246934%
July30%348043%
August29%3810636%
September27%3912930%
October27%4415728%
November29%5016530%
December37%6718137%

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 than54% of Europe’s land
Light pollutiondark rural sky (darkest 20–50 %)
Sky-glow index (own, VIIRS) — Darkest spot we found3.01
Sky-glow index (own, VIIRS) — at the official map point5.35
Sky-glow index (own, VIIRS) — median across the area3.85
Darkest spot we found42.342, 2.558 (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 202610.729%
9 December 20268–9 December 202611.537%
7 January 20277–8 January 202711.334%
6 February 20276–7 February 202710.733%
8 March 20277–8 March 20279.524%
6 April 20276–7 April 20277.822%
6 May 20275–6 May 20276.022%
4 June 20274–5 June 20274.522%
4 July 20273–4 July 20274.330%
2 August 20271–2 August 20275.729%
31 August 202731 August 2027 – 1 September 20277.529%
30 September 202729–30 September 20279.227%

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 202648%55%6.268°
Geminids *13–14 December 202648%20%9.881°
Geminids *14–15 December 202647%29%8.881°
Quadrantids3–4 January 202750%13%11.367°
Lyrids22–23 April 202738%95%1.282°
Eta Aquariids *5–6 May 202740%0%7.320°
Eta Aquariids *6–7 May 202737%1%7.320°
Perseids *12–13 August 202748%84%3.066°
Perseids *13–14 August 202753%90%2.066°
Orionids21–22 October 202732%58%3.564°
Leonids *17–18 November 202748%82%1.868°
Leonids *18–19 November 202753%72%3.269°
Geminids14–15 December 202747%98%0.081°

* 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