Galway weather in October
October in Galway: cool, rainy, with clean air — a good time to visit.
Updated September 2026 · climate normals from ERA5 reanalysis
#7 of 12 months in Galway · #975 of 1413 destinations to visit in October · comfort 67/100 (tier C)
- Days
- 14°C
- Nights
- 9°C
- Wet days
- 16
- Sun
- 5.1 h
- Humidity
- 84%
- Daylight
- 11 h

Traveller notes on Galway in October
Other months in Galway
Forum posters describe January in Galway as very cold, windy, and prone to rain slanting in off the Atlantic, with real potential for snow, ice, and gale-force winds on a given day. Posters are consistent, though, that a good sunny day around 10C isn't dramatically colder than an average summer day here - the range between a bad and good January day is genuinely wide. Posters flag that some attractions and B&Bs close for the month, though the surrounding countryside stays accessible, if often wet and muddy underfoot. Posters consistently recommend proper waterproofs and layers as the essential preparation, describing Irish weather as changeable enough within a single day that flexible clothing matters more than any single forecast. Posters generally rate January as workable with the right gear, but genuinely one of Galway's harsher months.
July in Galway runs to the high teens — around 18°C on average, occasionally into the mid-20s — and the forum's honesty is about rain rather than heat: July can be rainier than May while being warmer, and rain gear is the one thing every poster insists on whatever the month. The record puts it at about fourteen wet days. Their framing is the useful part, though: you will get beautiful days too, and the standing local line is that there is no such thing as bad weather, only bad clothing. A light jacket and a sweater for the evenings.
Add your own note from Galway's card on the map.
Galway climate normals — October
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Galway 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 crowdsMacnas Halloween parade, October mid-term break in Ireland, school holidays in 4 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Galway'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 weatherGalway's weather peaks May–July.
Best weatherFair weatherToughest weather
What's on in Galway in October
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Festival
Macnas Halloween parade
25 Oct – 1 Nov · usuallyMajor festivalCrowdedGiant puppets and drums through the dark streets on the Halloween weekend, drawing crowds in the tens of thousands. It is free, it is one night, and the route is packed an hour beforehand. Source ↗
Nearby, and something's on
Within 300 km of Galway — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Galway?
Galway in October — FAQ
- Is October a good time to visit Galway?
- October in Galway: cool, rainy, with clean air — a good time to visit. It ranks #7 of 12 months for Galway on SeasonMap's comfort score (67/100).
- What is the weather like in Galway in October?
- In October, Galway averages a daily high of 13.5°C and a low of 9°C, with about 112.7 mm of rain over roughly 16.1 rainy days.
- What is the air quality in Galway in October?
- Galway has a mean US Air Quality Index of about 31 in October.
Within 300 km: Killarney's Red deer rut around 25 Sep – 25 Oct, and Dingle's Dingle Food Festival around 28 Sep – 8 Oct.