Cork weather in October
Temperature, sea and sunshine in October: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in October
Poor
Best time to visit: June – September
What is the weather like in Cork in October?
In October, Cork is cool: daytime highs average 14 °C, and nights cool down to about 11 °C. The sea averages 14.1 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 14 rainy days and 100 mm in total. It is often windy, with gusts of around 30 km/h. All in all, October is not an ideal month for a holiday in Cork.
October compared
How the weather changes from September to November. Tap a month to open it.
| SeptemberSep | OctoberOct | NovemberNov | |
|---|---|---|---|
| Score | 64 | 39 | 25 |
| Day | 17° | 14° | 11° |
| Night | 13° | 11° | 8° |
| Sea | 16° | 14° | 12° |
| Sun | 4 h | 3 h | 3 h |
| Rain days | 10 | 14 | 13 |
More details for October
- Daylight
- 10 h 46 min07:56 – 18:43
- UV index
- 2 · lowclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 30 km/haverage daily peakAll months
- Cloud cover
- 73 %on averageAll months
- Hot days
- 0 days30 °C or more
- Time zone
- UTC+1Europe/Dublin
How the score comes together
- Temperatureweight 50 %59 %
- Sunshineweight 20 %3 %
- Few rainy daysweight 30 %31 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in October
- A jumper for the evenings
- Rain jacket or umbrella
- Windproof jacket
Cork in October: quick answers
Is Cork hot in October?
No. In October, Cork is cool: daytime highs average 14 °C and nights drop to about 11 °C.
Can you swim in Cork in October?
Only if you don't mind cold water: in October the sea averages just 14.1 °C. Comfortable swimming temperatures are not reached at any time of year.
Does it rain much in Cork in October?
Rain is frequent, with about 14 rainy days and 100 mm in total.
Cork month by month
The whole year in CorkAll destinations: IrelandWhere to go in OctoberSea temperature in October
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences