Dark Sky Odds

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

January is the best month for stargazing at Moffat: on average 21 clear, moonless hours of full darkness, and 12% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 71% 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 Community · United Kingdom · DarkSky International

JanuaryBest month
134Clear moonless dark hours a year
71%darker than … of Europe’s land
12%Nights with ≥ 2 such hours (January)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January12%2118811%
February10%1514411%
March11%1512312%
April12%137019%
May1%1319%
June0%00—
July0%00—
August4%4489%
September10%1410813%
October10%1615210%
November11%1716910%
December12%1818810%

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 than71% of Europe’s land
Light pollutiondark rural sky (darkest 20–50 %)
Sky-glow index (own, VIIRS) — Darkest spot we found1.17
Sky-glow index (own, VIIRS) — at the official map point3.04
Sky-glow index (own, VIIRS) — median across the area1.89
Darkest spot we found55.358, -3.442 (map) — within 3.0 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 202611.011%
9 December 20268–9 December 202612.212%
7 January 20277–8 January 202712.212%
6 February 20276–7 February 202710.710%
8 March 20277–8 March 20278.711%
6 April 20276–7 April 20276.012%
6 May 20275–6 May 20270.81%
4 June 20274–5 June 20270.00%
4 July 20273–4 July 20270.00%
2 August 20271–2 August 20270.04%
31 August 202731 August 2027 – 1 September 20275.34%
30 September 202729–30 September 20278.310%

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 202615%55%7.057°
Geminids *13–14 December 202617%20%11.068°
Geminids *14–15 December 202615%29%9.868°
Quadrantids3–4 January 202728%13%13.274°
Lyrids22–23 April 202720%95%1.566°
Eta Aquariids *5–6 May 202720%0%4.85°
Eta Aquariids *6–7 May 202723%1%4.85°
Perseids *12–13 August 202718%84%3.366°
Perseids *13–14 August 202713%90%2.266°
Orionids21–22 October 202720%58%2.551°
Leonids17–18 November 202715%82%1.256°
Geminids14–15 December 202715%98%0.068°

* 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