Northern lights in Kerry tonight
County Kerry, Ireland · 52° magnetic latitude · Kp 5 threshold
Kp 1 is well below the Kp 5 threshold needed for aurora to be visible from Kerry.
7-day outlook for Kerry
Based on CME arrival predictions from NASA DONKI. Arrival times ±6 hours.
auroratonight.space
What Kp is needed here?
Kerry sits at a magnetic latitude of approximately 52°N. The Kp index - a global measure of geomagnetic activity on a scale from 0 (quiet) to 9 (extreme storm), updated every 3 hours - needs to reach Kp 5 before the auroral oval expands far enough south to be visible from here.
At Kp 5, visibility is possible from Kerry but skies need to be clear and dark. Cloud cover and light pollution remain the main obstacles even when Kp is high enough.
Best dark sky sites near Kerry
Light pollution is the biggest obstacle after cloud cover. These sites give you the best dark northern horizon within reach.
Valentia Island
Get directions ↗Valentia Island sits at the westernmost edge of Kerry, facing open Atlantic water with no significant light pollution to the north or west. The lighthouse viewpoint near the cliff top gives a clear sea horizon in three directions. The island is 10 km from Cahersiveen and reached by bridge or ferry. At this longitude - 10.6°W - there is nothing between the observer and North America.
Ballinskelligs Bay
Get directions ↗The beach at St Finian's Bay on the south-west Kerry coast faces north-west across open water. On clear nights the silhouette of Skellig Michael, 12 km offshore, is visible against the horizon. The surrounding coastline carries almost no artificial light. The bay is part of the Iveragh Peninsula's outer edge, shielded from Kerry's inland settlements.
Molls Gap and Black Valley
Get directions ↗Molls Gap is a mountain pass on the N71 between Killarney and Kenmare, sitting above 200m in the MacGillycuddy's Reeks. The surrounding mountains block any residual town glow from Killarney and Kenmare. The Black Valley to the west of the pass has no artificial light for several miles in any direction. The elevation and open sky overhead make it one of Kerry's most practical inland dark sky sites.
Best time to see the northern lights in Kerry
At 52°N magnetic latitude, Kerry sits at the lower end of regular aurora territory. Only the deep mid-winter months of November through January offer nights dark enough for aurora to be visible, and only then when a significant geomagnetic storm pushes the auroral oval this far south.
Activity peaks around the September and March equinoxes, when Earth's magnetic field geometry is most favourable for coupling with the solar wind. Events during these two windows tend to produce the strongest displays of the year for observers at Kerry's latitude.
Outside November through January, twilight is too bright for aurora viewing even during significant storms. The season is short, but the equinox months on either side of winter can extend it slightly when storm timing aligns.
Other Ireland aurora forecasts
How often does the aurora appear in Kerry?
Average nights per month the Kp reached Kerry's threshold of 5+, from 15 years of geomagnetic data (2010–2024).
Counts the Kp 5+ threshold only - cloud cover and local darkness are not included.
Kp data: GFZ German Research Centre for Geosciences, CC BY 4.0
Plan your trip to Kerry
Best window
The August to October window averages 4 aurora nights - the strongest consecutive stretch of the year.
How long to stay
Aurora at this latitude requires patience - allow as many nights as possible during March.
Related pages
Northern Lights Ireland
Ireland aurora hub - all counties with current Kp status.
Read →Northern Lights Donegal Tonight
Ireland's best aurora county at 55°N magnetic latitude.
Read →Northern Lights Mayo Tonight
Mayo - Wild Atlantic Way and Achill Island at 54°N.
Read →Northern Lights Galway Tonight
Galway - Connemara dark sky and the west coast.
Read →What Is the Kp Index?
What Kp 5 means for viewing at 52°N magnetic latitude.
Read →Planning your aurora trip
In-depth guides to help you plan a trip to see the northern lights.
Travel Guide Ireland Northern Lights Ireland - Complete Viewing Guide
Malin Head, Donegal, Mayo, and Kerry - the best locations for northern lights in Ireland, Kp thresholds, and why cloud cover is the real challenge.
Planning Ireland Best Time to See the Northern Lights in the UK
When aurora is most likely from Scotland, northern England, and Ireland throughout the year.
Travel Guide All destinations How to Plan a Northern Lights Trip
Destination, timing, accommodation, app setup, and how to read a space weather forecast.
