Like most of Ireland, the town has consistent rainfall throughout the year with mild variations. The temperature in Donegal Town is erratic and tourists are often recommended to carry warm clothes almost throughout the year.
Winter: November to January is the winter season. January is the coldest month with an average temperature of 3 degrees C.
Spring: February to May, the climate is pleasant with the temperature ranging from highest of 13 degrees C to a lower 5 degrees C. Frequent visitors recommend Spring as the best time to visit Donegal Town.
Summer: June to October is considered hotter than most of the months with highest temperature being around 16 degrees C. August is peak summer.
Rainy: Although it rains throughout the year, September to January shows higher rainfall.
The best time to visit Donegal Town is February to July.
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