Climate averages 1991–2020
Cork weather
in October.
A cool, moderately wet month: the 6th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
October is a cool month in Cork: daytime highs average 13.7°C and nights cool to about 9.4°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 85 mm of rain on roughly 12 days, which makes October a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 10 h 43 min on an average October day.
The nearest other city in this atlas is Limerick (86 km away). In October its highs average 13.4°C, about as warm as Cork, with 89 mm of rain.
Among the 5 cities listed in Ireland, Cork ranks 1st of 5 for the warmest October highs and 3rd of 5 for the driest October (rainfall, lowest first). The mean October high of those 5 cities is 13.3°C; Cork is 0.5°C warmer than that mean.
From October to November, average highs fall by 3.0°C to 10.8°C, and monthly rainfall falls from 85 mm to 80 mm.
The annual picture
October in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Cork climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 8.7°C4.7°C | 4.7°C | 79 | 13.0 | 8.38 h |
| February | 8.9°C4.4°C | 4.4°C | 65 | 11.2 | 9.910 h |
| March | 10.2°C5.0°C | 5.0°C | 62 | 11.8 | 11.812 h |
| April | 12.2°C6.3°C | 6.3°C | 68 | 12.6 | 13.914 h |
| May | 14.7°C8.8°C | 8.8°C | 67 | 13.0 | 15.616 h |
| June | 17.2°C11.4°C | 11.4°C | 64 | 10.9 | 16.617 h |
| July | 18.7°C13.2°C | 13.2°C | 67 | 11.8 | 16.216 h |
| August | 18.5°C13.1°C | 13.1°C | 69 | 11.6 | 14.715 h |
| September | 16.7°C11.7°C | 11.7°C | 64 | 10.0 | 12.713 h |
| October, selected | 13.7°C9.4°C | 9.4°C | 85 | 12.4 | 10.711 h |
| November | 10.8°C6.7°C | 6.7°C | 80 | 12.0 | 8.99 h |
| December | 9.1°C5.3°C | 5.3°C | 84 | 12.7 | 7.98 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
October in nearby cities
- Limerick in OctoberIreland · 86 kmHigh 13.4°C · Low 8.2°C · 89 mm rain
- Galway in OctoberIreland · 158 kmHigh 13.1°C · Low 8.3°C · 95 mm rain
- Tallaght in OctoberIreland · 209 kmHigh 12.8°C · Low 8.0°C · 78 mm rain
- Dublin in OctoberIreland · 219 kmHigh 13.3°C · Low 8.6°C · 78 mm rain
- Swansea in OctoberUnited Kingdom · 313 kmHigh 13.7°C · Low 9.7°C · 143 mm rain
- Lisburn in OctoberUnited Kingdom · 334 kmHigh 12.5°C · Low 8.3°C · 86 mm rain
- Belfast in OctoberUnited Kingdom · 345 kmHigh 12.8°C · Low 9.0°C · 86 mm rain
- Plymouth in OctoberUnited Kingdom · 346 kmHigh 14.4°C · Low 10.3°C · 104 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Cork) is explained once on the Cork year overview and on the Sources, method and limits page.