Dark Sky Odds

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

August is the best month for stargazing at Mavrovo National Park: on average 65 clear, moonless hours of full darkness, and 45% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 66% 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 · North Macedonia

AugustBest month
489Clear moonless dark hours a year
66%darker than … of Europe’s land
45%Nights with ≥ 2 such hours (August)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January20%3417419%
February22%3615024%
March21%3413725%
April21%2910926%
May17%208923%
June25%266142%
July43%508062%
August45%6510761%
September31%4812638%
October31%5415834%
November26%4616827%
December26%4818825%

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 than66% of Europe’s land
Light pollutiondark rural sky (darkest 20–50 %)
Sky-glow index (own, VIIRS) — Darkest spot we found1.63
Sky-glow index (own, VIIRS) — at the official map point2.46
Sky-glow index (own, VIIRS) — median across the area2.49
Darkest spot we found41.792, 20.575 (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 202610.826%
9 December 20268–9 December 202611.526%
7 January 20277–8 January 202711.320%
6 February 20276–7 February 202710.522%
8 March 20277–8 March 20279.321%
6 April 20276–7 April 20277.821%
6 May 20276–7 May 20276.017%
4 June 20274–5 June 20274.725%
4 July 20273–4 July 20274.543%
2 August 20271–2 August 20275.845%
31 August 202731 August 2027 – 1 September 20277.545%
30 September 202729–30 September 20279.231%

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 202635%54%6.269°
Geminids *13–14 December 202632%20%9.881°
Geminids *14–15 December 202633%28%8.881°
Quadrantids3–4 January 202730%13%11.266°
Lyrids22–23 April 202733%95%1.282°
Eta Aquariids *5–6 May 202733%0%7.520°
Eta Aquariids *6–7 May 202738%0%7.321°
Perseids *12–13 August 202772%84%3.066°
Perseids *13–14 August 202772%90%2.066°
Orionids21–22 October 202747%59%3.764°
Leonids *17–18 November 202735%82%2.069°
Leonids *18–19 November 202733%73%3.269°
Geminids14–15 December 202733%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