Cahersiveen Weather in October
October in Cahersiveen averages 15°C (59°F) during the day and 10°C (50°F) at night. Quite a bit of rainfall is typical this month, with around 149 mm (5.9 in) on average. An umbrella is a good idea.
Rainfall in Cahersiveen in October
The climate data from previous years indicates about 24 days of rain, averaging 149 mm (5.9 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Cahersiveen in October
Expect highs of 15°C (59°F) in Cahersiveen in October, with nights dropping to around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 10°C (50°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Cahersiveen in October
The city usually sees around 82 hours of sunlight, indicating fewer sunny days.
Wind Speed in Cahersiveen 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.For Cahersiveen itself, June, July and August 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.
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 Cahersiveen's climate page.
Cahersiveen Temperature in October
Min Temperature
10°C (50°F)
Max Temperature
15°C (59°F)
Water Temperature
14°C (57°F) *
Chance of Rain
79%
Precipitation
149 mm (5.9 in)
Rainy days
24 days
Humidity
78% *
Windspeed
5 m/s (10 knots) *
Sunshine
82 hours *
Percentage Sunshine
27% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Cahersiveen typically stay consistent throughout October, with daily highs averaging around 15°C (59°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 11°C (52°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 Cahersiveen in October
Browse day-by-day weather records for Cahersiveen spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Cahersiveen historical weather extremes in October
Based on 39 years of weather observations in Cahersiveen between 1986 and 2025, these are the recorded extremes.
- On October 19, 1997, temperatures climbed to 22°C (72°F), marking the warmest October day on record.
- Cahersiveen experienced its chilliest October day on October 27, 2018, reaching only 8°C (46°F).
- Nighttime temperatures dropped to 0°C (32°F) on October 24, 2003, marking the coldest October night on record.
- The wettest October day on record brought 94 mm (3.7 in) of precipitation to Cahersiveen (October 4, 2016).
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
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poor
What to Wear in Cahersiveen 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. 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. You can probably leave your sunglasses at home, because sunny days are pretty rare this month.What To Do in Cahersiveen 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 Cahersiveen's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Cahersiveen climate overview or explore weather in Ireland.
