Galway Weather in October
October in Galway brings moderate temperatures, with daytime highs of 15°C (59°F) and nights around 8°C (46°F). Quite a bit of rainfall is expected, around 104 mm (4.1 in), so pack an umbrella.
Rainfall in Galway in October
Historically, October sees about 21 days of rain, with a monthly average of 104 mm (4.1 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Galway in October
In October, Galway sees moderate temperatures, with highs of 15°C (59°F). Nights drop to around 8°C (46°F). The difference between afternoon and evening temperatures is usually noticeable. With lows around 8°C (46°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Galway in October
With limited sunshine this month, there are about 74 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.For Galway itself, July generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Galway's climate page.
Galway Temperature in October
Min Temperature
8°C (46°F)
Max Temperature
15°C (59°F)
Chance of Rain
71%
Precipitation
104 mm (4.1 in)
Rainy days
21 days
Humidity
86% *
Sunshine
74 hours *
Percentage Sunshine
24% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Galway typically stay consistent throughout October, with daily highs averaging around 15°C (59°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 10°C (50°F).
Average temperatures in October
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in October
Historical weather for Galway in October
Browse day-by-day weather records for Galway spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Galway historical weather extremes in October
The extremes listed below come from historical weather data collected in Galway from 1986 through 2025.
- On October 8, 1995, temperatures climbed to 20°C (68°F), marking the warmest October day on record.
- Galway experienced its chilliest October day on October 20, 2004, reaching only 5°C (41°F).
- The lowest overnight temperature recorded in October was -3°C (27°F) (October 17, 1993).
Best Places in Ireland in October
Find out more about the weather in Ireland and which places have the best travel conditions in this month. See all of Ireland in October →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Galway in October
Pack for changing conditions in Galway in October. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Galway in October
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Ireland, check out our Galway's climate page.
Temperature Rainfall Sunshine Humidity
See the full Galway climate overview or explore weather in Ireland.
