Dark Sky Odds

Stargazing at Presteigne & Norton Dark Sky Community: when is the sky clear and dark?

March is the best month for stargazing at Presteigne & Norton Dark Sky Community: on average 24 clear, moonless hours of full darkness, and 16% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 69% 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

MarchBest month
154Clear moonless dark hours a year
69%darker than … of Europe’s land
16%Nights with ≥ 2 such hours (March)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January11%171869%
February13%1714412%
March16%2412819%
April15%188422%
May4%42119%
June0%00—
July1%1714%
August6%77210%
September13%1811515%
October10%141529%
November12%1716810%
December11%161879%

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 than69% of Europe’s land
Light pollutiondark rural sky (darkest 20–50 %)
Sky-glow index (own, VIIRS) — Darkest spot we found1.33
Sky-glow index (own, VIIRS) — at the official map point2.43
Sky-glow index (own, VIIRS) — median across the area1.44
Darkest spot we found52.292, -3.042 (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 202611.012%
9 December 20268–9 December 202612.011%
7 January 20277–8 January 202711.811%
6 February 20276–7 February 202710.713%
8 March 20277–8 March 20279.016%
6 April 20276–7 April 20276.515%
6 May 20275–6 May 20273.34%
4 June 20274–5 June 20270.00%
4 July 20273–4 July 20270.01%
2 August 20271–2 August 20272.56%
31 August 202731 August 2027 – 1 September 20276.06%
30 September 202729–30 September 20278.513%

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 202625%55%6.759°
Geminids *13–14 December 202617%20%10.771°
Geminids *14–15 December 202618%29%9.771°
Quadrantids3–4 January 202720%13%12.573°
Lyrids22–23 April 202723%95%1.570°
Eta Aquariids *5–6 May 202727%0%5.78°
Eta Aquariids *6–7 May 202723%1%5.59°
Perseids *12–13 August 202712%84%3.267°
Perseids *13–14 August 202715%90%2.268°
Orionids21–22 October 202722%58%3.054°
Leonids17–18 November 202725%82%1.559°
Geminids14–15 December 202718%98%0.071°

* 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