When planning a visit to Dublin County in Ireland, it helps to know that temperatures typically range from 9°C (48°F) in January up to 20°C (68°F) during the peak of July. Our detailed climate overview is based on data from Dublin, the region's most well-known city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
In Dublin County, during the months of July and August you can expect comfortable weather, with average temperatures ranging from 20°C (68°F) to 20°C (68°F).
The colder period typically falls in the months of January, February and December.
Precipitation in Dublin County remains relatively steady throughout the year, ranging from 86 mm (3.4 in) in November to 60 mm (2.4 in) in March.
May is the sunniest period, with ideal conditions for exploring the region and all it has to offer.
