Roscommon County is one of several regions in Ireland, with temperatures that range from 8°C (46°F) in January to 19°C (66°F) during the peak of July. We've based our full climate overview on data from Boyle, the region's most prominent city. For more detailed climate information about other cities in the area, please see the section beneath the map further down the page.
The weather in Roscommon County during July and August is comfortably warm, with average temperatures ranging from 19°C (66°F) to 19°C (66°F).
The colder months are generally January, February and December.
Precipitation in Roscommon County remains relatively steady throughout the year, ranging from 112 mm (4.4 in) in December to 91 mm (3.6 in) in March.
For those seeking sunshine, May usually has the brightest skies, making it an excellent time for exploring the region.
