To go to Ireland, the best time to visit is in August. In this period you have a pleasant temperature and almost no precipitation. In Ireland, July is the warmest month with 17°C and the most cold month is 8°C in January. The water temperature is 24°C at its highest and in other months it can be 7°C.
In the table below you can quickly see the average weather by month in Ireland, the monthly temperatures or when the precipitation is the highest. Average monthly climate data is based on data from the past 30 years.
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West Ireland has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for West Ireland is 12° degrees and there is about 497 mm of rain in a year. It is dry for 92 days a year with an average humidity of 86% and an UV-index of 3.
East Ireland has a oceanic climate. There is rainfall during all months of the year. The average annual temperature for East Ireland is 12° degrees and there is about 279 mm of rain in a year. It is dry for 180 days a year with an average humidity of 85% and an UV-index of 3.
What is the average Ireland weather like in a given month? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.
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12°C
