Donegal Weather in May
May in Donegal sees daytime temperatures around 21°C (70°F) and lows of 8°C (46°F) at night. With around 120 mm (4.7 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Donegal in May
You can typically expect 16 days of rain this month, averaging around 120 mm (4.7 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Donegal in May
Daytime highs in Donegal in May reach 21°C (70°F), with nights around 8°C (46°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 8°C (46°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Donegal in May
The city usually sees around 215 hours of sunlight, indicating many sunny days — a great month for sightseeing.For Donegal itself, September generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Donegal's climate page.
Donegal Temperature in May
Min Temperature
8°C (46°F)
Max Temperature
21°C (70°F)
Chance of Rain
53%
Precipitation
120 mm (4.7 in)
Rainy days
16 days
Sunshine
215 hours *
Percentage Sunshine
*
Best Places in the United States of America in May
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in May →
perfect weather
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tolerable
unpleasant
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What to Wear in Donegal in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Donegal in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Donegal's climate page.
See the full Donegal climate overview or explore weather in the United States of America.
