Weather & climate FAQ — Ireland
Answers to the most-searched weather and climate questions about Ireland, from 2020–2024 daily observations across 1 city.
Ireland hub ★ Best time to visit Ireland
Frequently asked questions
What is the weather like in Ireland?
Climolog covers 1 city in Ireland with 2020–2024 daily weather observations. Typical monthly highs range from 8.4°C (in January) to 19.1°C (in July); see each city's page for day-by-day history and month-by-month averages.
What is the climate in Ireland by month?
Across Ireland, the hottest month is July (avg high 19.1°C) and the coldest is January (avg low 3.8°C). For the full month-by-month breakdown across every city, see the best-time-to-visit guide for Ireland.
When is the best time to visit Ireland?
The best months to visit Ireland are June, August, July — the highest travel-comfort scores across the country's cities (comfortable temperatures, low rainfall, and good sunshine). See the month-by-month ranking for Ireland for the best city in each month.
What is the hottest month in Ireland?
July is the hottest month, averaging a high of 19.1°C across Ireland's cities. See July climate details.
What is the coldest month in Ireland?
January is the coldest month, averaging a low of 3.8°C across Ireland's cities. See January climate details.
What is the wettest month in Ireland?
October is the wettest month, averaging about 117.3 mm of rain per month across Ireland's cities. See October climate details.
What is the driest month in Ireland?
April is the driest month, averaging about 59.7 mm of rain per month across Ireland's cities. See April climate details.
When is the rainy season in Ireland?
The wettest months in Ireland are July, September, October, which together form the main rainy season. Travel is usually drier and more comfortable in June.
Which city in Ireland has the best weather?
Among Ireland's cities, Dublin has the best weather — its best month is June (travel-comfort score 82/100). See its best-time-to-visit guide.
How many cities does Climolog cover in Ireland?
Climolog covers 1 city in Ireland with 2020–2024 daily weather data. Browse them all on the Ireland hub.
Best time to visit by month
Best time to visit in June Best time to visit in August Best time to visit in July
Each links to the month hub listing every city whose single best-weather month is that month.