Blarney Weather in October
October in Blarney sees daytime temperatures around 15°C (59°F) and lows of 8°C (46°F) at night. As the wettest month of the year, keep in mind that rainfall is at its highest.
Rainfall in Blarney in October
Given that this is the rainiest month, it's wise to carry an umbrella to stay dry during unexpected showers. On average, there are about 19 days with rain during this month, averaging 96 mm (3.8 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Blarney in October
Daytime temperatures in Blarney reach 15°C (59°F) in October, dropping to 8°C (46°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Blarney in October
With limited sunshine this month, there are about 92 hours of sun. It's ideal for those who prefer a cooler, cloudier climate.
Wind Speed in Blarney in October
October has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.
Average water temperature in October
The water temperature is 14°C (57°F) — chilly, but perfectly fine for a swim if you're not too sensitive to cold water. A short wetsuit can make longer sessions more comfortable.If you prefer dry days with pleasant temperatures, June, July, August and September typically offer 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 Blarney's climate page.
Blarney Temperature in October
Min Temperature
8°C (46°F)
Max Temperature
15°C (59°F)
Water Temperature
14°C (57°F) *
Chance of Rain
64%
Precipitation
96 mm (3.8 in)
Rainy days
19 days
Humidity
80% *
Windspeed
5 m/s (10 knots) *
Sunshine
92 hours *
Percentage Sunshine
28% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Blarney 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 Blarney in October
Browse day-by-day weather records for Blarney spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Blarney historical weather extremes in October
The extremes listed below come from historical weather data collected in Blarney from 1986 through 2025.
- The warmest day in October was on October 1, 1997, with a maximum of 21°C (70°F).
- Blarney experienced its chilliest October day on October 20, 2004, reaching only 5°C (41°F).
- Blarney registered its coldest October night on October 16, 1993, with temperatures dropping to -1°C (30°F).
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
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What to Wear in Blarney in October
Pack for changing conditions in Blarney 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. The water temperature sits at about 14°C (57°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.What To Do in Blarney 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 Blarney's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Blarney climate overview or explore weather in Ireland.
