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Climate and Average Weather in Ireland

Ireland enjoys a temperate oceanic climate, due mainly to its close proximity to the Atlantic Ocean and the influence of the Gulf Stream. While summers are typically mild, winters can be quite chilly. The weather remains unpredictable throughout the year, with rainfall possible in every season. During winter, average maximum temperatures hover around 0°C inland, with potential snowfall. However, true winter conditions are infrequent along the coastlines..

Usually temperatures in summer are not very high, the average maximum daytime temperature in Dublin lies around 19.6°C in July. This makes it the hottest month of the year. Occasionally, Ireland experiences heatwaves.

While it's a common belief that Ireland receives much rainfall, climate statistics reveal a more nuanced story. The western region does witness significant rainfall and numerous rainy days, yet the eastern part is considerably drier.

What is the best time to visit Ireland?
The period May to September is the best travel time for a general holiday. For a city break, for example to Dublin, late March, April, or October are also suitable.

Are you interested in more detailed weather and climate information for various cities in Ireland?
Please select the city you plan to visit, or one closest to your destination. For each selected city, you will see the following graphs:
1. Yearly average minimum and maximum temperatures
2. Monthly averages of precipitation throughout the year (rainfall, snow etc)
3. Monthly average hours of sunshine throughout the year

Additionally, some pages provide historical weather data such as humidity, wind speed, and water temperature.

Popular places in Ireland

Select a city to see its average temperature, precipitation and hours of sunshine over the year.

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Islands of Ireland

Regions in Ireland