When planning a visit to Donegal County in Ireland, it helps to know that temperatures typically range from 8°C (46°F) in January up to 19°C (66°F) during the peak of July. Our detailed climate overview is based on data from Bundoran, 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 Donegal County, no particular months stand out for consistently comfortable weather, as average temperatures fluctuate year-round.
The cooler season is during the months of January, February and December.
When it comes to rainfall, Donegal County experiences moderate variations in precipitation across the seasons. You can expect around 130 mm (5.1 in) of rain in December, dropping to 93 mm (3.7 in) in April.
