Climate in Cork — Annual Weather Overview
Cork has a oceanic climate — mild temperatures year-round with regular rainfall. The hottest month is August (average high 19.5°C) and the coolest is January (8.5°C). There is a noticeable seasonal temperature shift of 11.0°C between August and January. Annual rainfall totals around 1335mm. October is the wettest month at 208.0mm, while April averages just 63.4mm. Average daily sunshine is 6.9 hours.
**Spring (March, April, May):** average highs 12.7°C, 256mm rain. **Summer (June, July, August):** average highs 18.9°C, 308mm rain. **Autumn (September, October, November):** average highs 14.2°C, 422mm rain. **Winter (December, January, February):** average highs 9.0°C, 349mm rain.
Cork — Monthly Temperatures
Cork — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Cork stays reasonable all year.
Cork weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 8.5°C | 3.2°C | 84.2mm | 4.0h | 12 | 10/10 |
| February | 9.6°C | 4.5°C | 133.4mm | 4.8h | 15 | 9/10 |
| March | 10.5°C | 4.1°C | 100.2mm | 6.4h | 14 | 9/10 |
| April | 12.4°C | 5.4°C | 63.4mm | 8.5h | 11 | 10/10 |
| May | 15.2°C | 8.0°C | 92.4mm | 10.0h | 13 | 10/10 |
| June | 17.9°C | 10.9°C | 82.5mm | 9.7h | 13 | 10/10 |
| July | 19.3°C | 12.4°C | 108.2mm | 9.7h | 14 | 9/10 |
| August | 19.5°C | 12.5°C | 116.9mm | 9.2h | 14 | 9/10 |
| September | 17.5°C | 11.1°C | 105.1mm | 7.4h | 13 | 9/10 |
| October | 14.1°C | 8.8°C | 208.0mm | 5.6h | 19 | 8/10 |
| November | 11.1°C | 6.2°C | 108.5mm | 4.5h | 15 | 9/10 |
| December | 8.8°C | 4.4°C | 131.8mm | 3.5h | 17 | 9/10 |
For the full verdict on when to go, see the best time to visit Cork. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Cork have?
Cork has a oceanic climate — mild temperatures year-round with regular rainfall. Average highs range from 8.5°C in January to 19.5°C in August.
What is the hottest month in Cork?
August is the hottest month in Cork, with average highs of 19.5°C and lows of 12.5°C.
What is the coldest month in Cork?
January is the coolest month, with average highs of 8.5°C and lows of 3.2°C.
What is the wettest month in Cork?
October is the wettest month, averaging 208.0mm of rainfall over around 19 rainy days.
How much rain does Cork get per year?
Cork receives around 1335mm of rain per year. The driest month is April (63.4mm).
When is the best time to visit Cork?
The best time to visit Cork is All year. See the full month-by-month guide →
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Trip essentials for Cork
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.