Climate in Dublin — Annual Weather Overview
Dublin has a oceanic climate — mild temperatures year-round with regular rainfall. The hottest month is July (average high 19.2°C) and the coolest is January (8.5°C). There is a noticeable seasonal temperature shift of 10.7°C between July and January. Annual rainfall totals around 938mm. October is the wettest month at 124.5mm, while April averages just 48.5mm. Average daily sunshine is 7.7 hours.
**Spring (March, April, May):** average highs 12.4°C, 172mm rain. **Summer (June, July, August):** average highs 18.6°C, 247mm rain. **Autumn (September, October, November):** average highs 14.5°C, 285mm rain. **Winter (December, January, February):** average highs 9.0°C, 234mm rain.
Dublin — Monthly Temperatures
Dublin — Monthly Rainfall
✅ Best months to visit
All year
ℹ️ No months to avoid
Weather in Dublin stays reasonable all year.
Dublin weather by month
| Month | High | Low | Rain | Sun/day | Rainy days | Rating |
|---|---|---|---|---|---|---|
| January | 8.5°C | 3.8°C | 60.6mm | 4.3h | 11 | 10/10 |
| February | 9.6°C | 4.7°C | 80.5mm | 5.2h | 13 | 10/10 |
| March | 10.5°C | 4.8°C | 64.8mm | 7.2h | 12 | 10/10 |
| April | 11.6°C | 5.6°C | 48.5mm | 10.1h | 10 | 10/10 |
| May | 15.0°C | 8.6°C | 59.0mm | 11.4h | 10 | 10/10 |
| June | 17.8°C | 11.8°C | 71.0mm | 11.5h | 12 | 10/10 |
| July | 19.2°C | 13.3°C | 90.5mm | 9.9h | 14 | 10/10 |
| August | 18.9°C | 13.1°C | 85.4mm | 9.7h | 13 | 10/10 |
| September | 17.5°C | 11.9°C | 92.7mm | 8.5h | 12 | 10/10 |
| October | 14.6°C | 9.7°C | 124.5mm | 6.3h | 18 | 9/10 |
| November | 11.3°C | 6.9°C | 67.4mm | 4.8h | 11 | 10/10 |
| December | 8.8°C | 4.7°C | 92.6mm | 3.5h | 16 | 10/10 |
For the full verdict on when to go, see the best time to visit Dublin. Seasonal breakdowns: spring, summer, autumn and winter.
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Frequently Asked Questions
What type of climate does Dublin have?
Dublin has a oceanic climate — mild temperatures year-round with regular rainfall. Average highs range from 8.5°C in January to 19.2°C in July.
What is the hottest month in Dublin?
July is the hottest month in Dublin, with average highs of 19.2°C and lows of 13.3°C.
What is the coldest month in Dublin?
January is the coolest month, with average highs of 8.5°C and lows of 3.8°C.
What is the wettest month in Dublin?
October is the wettest month, averaging 124.5mm of rainfall over around 18 rainy days.
How much rain does Dublin get per year?
Dublin receives around 938mm of rain per year. The driest month is April (48.5mm).
When is the best time to visit Dublin?
The best time to visit Dublin is All year. See the full month-by-month guide →
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Trip essentials for Dublin
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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.