Bortle 3· Rural skyCertified reserveCoast

Kerry Peninsula

Ireland · 51.86°, -10.13°

Atlantic dark, when the Atlantic allows it.

4.4(389)

Best night in range

Jun 16, 2026

31% cloud · 0% moon

77Sky score

SQM reading: 21.55mag/arcsec²
Naked-eye limit: 7.2mag
Clear nights: 135per year
Elevation: 120 m

The site

The Iveragh Peninsula is the only gold-tier dark sky reserve in the northern hemisphere at sea level, protected by mountains on the landward side and open ocean everywhere else. Weather is the whole game here: roughly 90 usable nights a year, but the ones that land are extraordinary.

Gold-tier reserve at sea level
Unobstructed western horizon over the Atlantic
Reachable from Dublin in a single day

Ten-night forecast

Updated 6h ago

Sky Score combines cloud cover, transparency, seeing, humidity and lunar illumination against this site's Bortle class. Higher is better; anything above 82 is worth rearranging a calendar for.

Night	Moon	Cloud	Transparency	Seeing	Humidity	Sky score
SunJun 14	3%	68%	52%	44%	59%	52
MonJun 15	0%	31%	64%	79%	31%	74
TueJun 16Best	0%	31%	77%	83%	32%	77
WedJun 17	2%	45%	67%	71%	44%	67
ThuJun 18	6%	36%	74%	70%	39%	71
FriJun 19	12%	39%	70%	61%	35%	68
SatJun 20	20%	51%	53%	82%	53%	63
SunJun 21	29%	39%	62%	56%	48%	64
MonJun 22	39%	55%	54%	50%	56%	54
TueJun 23	50%	42%	63%	73%	45%	63

When to come

Share of nights that stay usable, month by month. The recommended window is March, April, September, October and November.

28%

32%

36%

42%

44%

40%

38%

40%

44%

40%

32%

27%

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Recommended windowShare of clear nights