Cork Weather by Month
Twelve months of Cork, Ireland weather — averages from 2006–2025.
Cork's warmest month is July (average high 19°C (66.2°F)) and the coolest is January (8.5°C (47.3°F)). The most rain falls in October (about 114 mm), and April is the driest (about 73 mm). June is the sunniest, with about 10.6 hours of sunshine a day.
Best months to visit Cork
Ranked within Cork's own year by temperature comfort, rainy days and sunshine — historical averages, not a forecast.
Cork month by month
January
FairHigh 8.5°C (47.3°F)
Low 3.9°C (39°F)
- Rainfall
- 89 mm (3.5 in)
- Rainy days
- 13 rainy days
- Sunshine
- 4.2 h sunshine / day
February
FairHigh 9°C (48.2°F)
Low 4.2°C (39.6°F)
- Rainfall
- 86 mm (3.4 in)
- Rainy days
- 12 rainy days
- Sunshine
- 5.2 h sunshine / day
March
FairHigh 10.1°C (50.2°F)
Low 4.3°C (39.7°F)
- Rainfall
- 81 mm (3.2 in)
- Rainy days
- 13 rainy days
- Sunshine
- 7 h sunshine / day
April
GoodHigh 12.4°C (54.3°F)
Low 6°C (42.8°F)
- Rainfall
- 73 mm (2.9 in)
- Rainy days
- 12 rainy days
- Sunshine
- 9.2 h sunshine / day
May
GoodHigh 15°C (59°F)
Low 8.5°C (47.3°F)
- Rainfall
- 77 mm (3 in)
- Rainy days
- 14 rainy days
- Sunshine
- 10.1 h sunshine / day
June
GoodHigh 17.5°C (63.5°F)
Low 11.1°C (52°F)
- Rainfall
- 76 mm (3 in)
- Rainy days
- 12 rainy days
- Sunshine
- 10.6 h sunshine / day
July
GoodHigh 19°C (66.2°F)
Low 12.8°C (55°F)
- Rainfall
- 84 mm (3.3 in)
- Rainy days
- 13 rainy days
- Sunshine
- 9.9 h sunshine / day
August
GoodHigh 18.5°C (65.3°F)
Low 12.7°C (54.9°F)
- Rainfall
- 80 mm (3.1 in)
- Rainy days
- 13 rainy days
- Sunshine
- 9.2 h sunshine / day
September
GoodHigh 16.8°C (62.2°F)
Low 11.2°C (52.2°F)
- Rainfall
- 79 mm (3.1 in)
- Rainy days
- 10 rainy days
- Sunshine
- 7.6 h sunshine / day
October
GoodHigh 14°C (57.2°F)
Low 9.3°C (48.7°F)
- Rainfall
- 114 mm (4.5 in)
- Rainy days
- 13 rainy days
- Sunshine
- 5.6 h sunshine / day
November
FairHigh 10.7°C (51.3°F)
Low 6.2°C (43.2°F)
- Rainfall
- 101 mm (4 in)
- Rainy days
- 13 rainy days
- Sunshine
- 4.6 h sunshine / day
December
FairHigh 9.1°C (48.4°F)
Low 4.9°C (40.8°F)
- Rainfall
- 106 mm (4.2 in)
- Rainy days
- 14 rainy days
- Sunshine
- 3.4 h sunshine / day
More Ireland cities by month
Based on 20 years of historical weather data (2006–2025) from Open-Meteo. Monthly averages, not a forecast.