SeasonMapClifden (Connemara) weather in October
Ireland
October in Clifden: cool, soaked, with clean air — fine if you can take 22 rainy days.
#8 of 12 months in Clifden · #991 of 1383 destinations to visit in October · comfort 66/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Clifden in October
No notes yet. Open Clifden on the map to add the first one.
Clifden climate normals — October
| Daytime high | 13°C / 55°F | 🙂 cool |
|---|---|---|
| Nighttime low | 10°C / 50°F | |
| Sea temperature | 14°C / 57°F | 🥶 cold sea |
| Rainfall | 179 mm / 7 in | ⛈ soaked |
| Rainy days | 22 days | |
| Humidity | 83% | 💦 very humid |
| Dew point | 9°C / 49°F | |
| Sunshine | 6 h/day | |
| Daylight | 10.6 h | |
| Wind | 31 km/h / 19 mph | |
| Air quality (US AQI) | 37 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Clifden 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.
BusyOctober mid-term break in Ireland, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Clifden'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 weatherClifden's weather peaks May–July.
Best weatherFair weatherToughest weather
What's on in Clifden in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Connemara walking season
15 Apr – 10 Oct · usuallyTrail seasonDiamond Hill in the national park, the Sky Road and the Twelve Bens are at their most reliable from mid-spring to early autumn. Outside that the bog paths hold water and the light runs out mid-afternoon. Source ↗
- Hazard
Atlantic gale season
15 Oct – 15 Mar · usuallyStorm seasonNamed storms come in off the ocean with nothing between here and Newfoundland to slow them. Power goes out in the townlands, and the coast road at Streamstown takes spray across it. Source ↗
Nearby, and something's on
Within 300 km of Clifden — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Clifden?
Clifden in October — FAQ
- Is October a good time to visit Clifden?
- October in Clifden: cool, soaked, with clean air — fine if you can take 22 rainy days. It ranks #8 of 12 months for Clifden on SeasonMap's comfort score (66/100).
- What is the weather like in Clifden in October?
- In October, Clifden averages a daily high of 13°C and a low of 10.1°C, with about 178.9 mm of rain over roughly 22.4 rainy days.
- What is the air quality in Clifden in October?
- Clifden has a mean US Air Quality Index of about 37 in October.
Other months in Clifden
Compare Clifden in October
Warmer or cooler than Clifden in October
Similar destinations in Northern Europe — October
Within 300 km: Dingle's Dingle Food Festival around 28 Sep – 8 Oct, and Killarney's Red deer rut around 25 Sep – 25 Oct.