Donegal Climate by Month
Temperatures see a moderate degree of fluctuation,
transitioning from pleasant conditions
to cold.
It also has a notably wet climate with much precipitation.
Let's now guide you through the climate details for a complete overview.
Average day and night temperature
In Donegal, seasonal changes bring about a moderate variation in temperatures. Average daytime temperatures range from a pleasant 19°C in July, the warmest time of the year, to a chilly 8°C during cooler months like February. At night, temperatures typically average around 3°C during these months.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Donegal is known for its substantial rain/snowfall, with annual precipitation reaching 1393 mm. Year-round, Donegal has a balanced climate with minimal variation in precipitation. The difference between the wettest month, December, with 132 mm, and the driest month, April, with 96 mm, is minimal.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
Seasonal changes in sunshine hours are quite dramatic in Donegal. While May receives considerable daily sunshine with up to 6.8 hours, December marks the darkest time of the year, where sunshine is scarce with only 1.3 hours of sunlight per day.Monthly hours of sunshine
Daily hours of sunshine
The best time of year to visit Donegal in Ireland
Other facts from our historical weather data:July has an average maximum temperature of 19°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 8°C.
December tops the wettest month list with 132 mm of rainfall.
April is the driest month with 96 mm of precipitation.
May is the sunniest month with an average of 203 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
