Kilkenny weather in October

October in Kilkenny: cool, rainy, with clean air — a good time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

Kilkenny🇮🇪 Ireland · British Isles · City69
  1. 56Jan
  2. 60Feb
  3. 66Mar
  4. 75Apr
  5. 83May
  6. 87Jun
  7. 89Jul
  8. 86Aug
  9. 78Sep
  10. 69Oct
  11. 61Nov
  12. 53Dec

#7 of 12 months in Kilkenny · #914 of 1413 destinations to visit in October · comfort 69/100 (tier C)

Days
14°C
Nights
8°C
Wet days
13
Sun
5.4 h
Humidity
85%
Daylight
11 h
Kilkenny, Ireland
Photo: Jay's Photography · Pexels

Traveller notes on Kilkenny in October

Notes from nearby Dublin (101 km away)

Kilkenny doesn't have its own notes for October yet — these are about Dublin, close enough to share the season.

Dublin forum regulars call October genuinely unpredictable but manageable: cool, “10-12 degrees C on average, though you can get peaks to about 20 degrees C,” with rain which can be occasionally heavy, and “it can rain at the drop of a hat and then be sunny and clear just minutes later.” Layering is the standard advice — a waterproof outer layer with warm layers underneath — since a day can run warm and turn “very cold the next.” Daylight shortens fast, dark by around 6pm. The trade-off regulars name for the unsettled weather: noticeably fewer crowds and cheaper accommodation than summer. Our record: 13.9°C days, 9.7°C nights, 16.2 rain days and a 24.4kph wind — cool and wet more days than not, backing the “occasionally heavy” read more than the milder framing.
Tripadvisor community · October · 1 month ago · about Dublin · Read more on Tripadvisor ↗

Other months in Kilkenny

Forum posters describe January in Ireland as bringing a better-than-average chance of snow and real ice risk, with main and most secondary roads gritted but minor roads still requiring caution. Posters are direct that the biggest practical issue is how short the days run, with some days barely seeming to get properly light at all, and typical temperatures sitting in the 40sF (around 4-9C) alongside wet, drizzly conditions. Posters specifically recommend Kilkenny as a well-suited January destination since it's easily reached from Dublin and every attraction can be covered on foot, making it a practical, compact city pick for winter's short daylight hours. Posters generally recommend leaning on Kilkenny's walkable city center, pubs and indoor sites as the main plan for a January visit rather than fighting the weather.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗
Forum regulars call July Ireland's driest month on paper, but still expect drizzle - one visitor described hail, strong winds, thunder and sun all within 8 hours, and the recurring line is that a forecast is only reliable about 48 hours out at best. The standard packing list: a light jacket and sweater for cool nights, proper rain gear with a hooded waterproof top rather than an umbrella (which regulars call impractical in Irish towns and cities). July also draws the year's biggest crowds to nearby tourist hubs like Killarney, with several posters suggesting September instead for a similar climate with noticeably fewer visitors.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Kilkenny's card on the map.

Kilkenny climate normals — October

Daytime high14°C / 56°F🙂 cool
Nighttime low8°C / 47°F
Feels like (high)11°C / 52°F
Rainfall89 mm / 3.5 in🌧 rainy
Rainy days13 days
Humidity85%💦 very humid
Dew point9°C / 47°F
Sunshine5.4 h/day
Daylight10.6 h
Wind20 km/h / 13 mph
Air quality (US AQI)29🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Kilkenny in October

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

Peak crowdsSavour Kilkenny, October mid-term break in Ireland, school holidays in 4 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Kilkenny's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherKilkenny's weather peaks June–August, best around July.

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Best weatherFair weatherToughest weather

What's on in Kilkenny in October

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Festival

    Savour Kilkenny

    22–26 OctHarvestCrowded

    A food festival over the October bank holiday, built around the county's producers with a market quarter on the Saturday and Sunday. It is the last busy weekend before the town goes quiet for winter. Source ↗

What's on around the world in October →

Nearby, and something's on

Within 300 km of Kilkenny — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is Kilkenny?

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Kilkenny in October — FAQ

Is October a good time to visit Kilkenny?
October in Kilkenny: cool, rainy, with clean air — a good time to visit. It ranks #7 of 12 months for Kilkenny on SeasonMap's comfort score (69/100).
What is the weather like in Kilkenny in October?
In October, Kilkenny averages a daily high of 13.6°C and a low of 8.4°C, with about 88.7 mm of rain over roughly 13.4 rainy days.
What is the air quality in Kilkenny in October?
Kilkenny has a mean US Air Quality Index of about 29 in October.

Within 300 km: Dublin's Bram Stoker Festival and Samhain on 23–26 Oct, and Killarney's Red deer rut around 25 Sep – 25 Oct.