Dark Sky Odds

Stargazing at Kielder Water & Forest Park: when is the sky clear and dark?

January is the best month for stargazing at Kielder Water & Forest Park: on average 20 clear, moonless hours of full darkness, and 13% of nights have at least two of them (ERA5, 2006–2025). The darkest spot we found there is darker than 82% 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 · United Kingdom · DarkSky International

JanuaryBest month
135Clear moonless dark hours a year
82%darker than … of Europe’s land
13%Nights with ≥ 2 such hours (January)

Month by month

MonthNights with ≥ 2 such hoursClear moonless dark hoursMoonless dark hoursOf them clear
January13%2018710%
February10%1614411%
March12%1612413%
April12%147020%
May1%1415%
June0%00—
July0%00—
August4%54910%
September10%1410813%
October11%1615210%
November11%161689%
December12%1919610%

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 than82% of Europe’s land
Light pollutionvery dark (darkest 5–20 %)
Sky-glow index (own, VIIRS) — Darkest spot we found0.53
Sky-glow index (own, VIIRS) — at the official map point0.53
Sky-glow index (own, VIIRS) — median across the area0.53
Darkest spot we found55.242, -2.625 (map) — within 2.8 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 202712.013%
6 February 20276–7 February 202710.710%
8 March 20277–8 March 20278.812%
6 April 20276–7 April 20276.012%
6 May 20275–6 May 20271.21%
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 20275.54%
30 September 202729–30 September 20278.210%

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 202627%55%7.057°
Geminids *13–14 December 202617%20%11.068°
Geminids *14–15 December 202617%29%9.868°
Quadrantids3–4 January 202725%13%13.274°
Lyrids22–23 April 202722%95%1.566°
Eta Aquariids *5–6 May 202725%0%4.85°
Eta Aquariids *6–7 May 202730%1%4.74°
Perseids *12–13 August 202713%84%3.265°
Perseids *13–14 August 202717%90%2.266°
Orionids21–22 October 202713%58%2.751°
Leonids17–18 November 202727%82%1.357°
Geminids14–15 December 202717%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