Cork Weather in October

Cork in October averages 15°C (59°F) during the day and 9°C (48°F) at night. This is the wettest month of the year.

Rainfall in Cork in October

With the most rainfall occurring this month, it's practical to keep an umbrella handy for sudden downpours. Historically, October sees about 19 days of rain, with a monthly average of 102 mm (4 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Cork in October

Cork in October gets highs of 15°C (59°F) during the day and drops to 9°C (48°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.

Sunshine in Cork in October

The month is characterized by fewer sunny days, with roughly 92 hours hours of sunshine. Ideal for those who prefer a cooler, cloudier climate.

Wind Speed in Cork in October

Wind speeds average 5 m/s (10 knots) during October. At this speed, gentle to moderate breezes make small trees sway and the wind creates whitecaps on water bodies. Daily variations range from moderate winds to stronger breezes, creating excellent conditions for sailing, kite flying and wind sports.

Average water temperature in October

The water is 14°C (57°F) this month — cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

For Cork itself, July, August and September generally stand 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.

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For a detailed overview over the year and the best time to visit Ireland, check out our Cork's climate page.

Cork Temperature in October

Min Temperature 9°C (48°F)  

Max Temperature 15°C (59°F)  

Water Temperature 14°C (57°F)  

Chance of Rain 64%  

Precipitation 102 mm (4 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 Cork 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

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

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

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Cork in October

Browse day-by-day weather records for Cork spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Cork historical weather extremes in October

Based on 39 years of weather observations in Cork between 1986 and 2025, these are the recorded extremes.

• On October 1, 1997, temperatures climbed to 21°C (70°F), marking the warmest October day on record.
• On October 20, 2004, Cork saw its coldest October day with temperatures maxing out at 5°C (41°F).
• Nighttime temperatures dropped to -1°C (30°F) on October 16, 1993, marking the coldest October night on record.

What to Wear in Cork in October

The weather can be unpredictable in October, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. With water temperatures around 14°C (57°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. Sunglasses aren't essential this month, though you might want them for the occasional bright moment.

What To Do in Cork in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

4/10

Cycling

5/10

Walking

5/10

Camping

3/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Ireland, check out our Cork's climate page.

More climate data for Cork

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Cork climate overview or explore weather in Ireland.