Temperature in Donegal County in May

Daytime highs, nighttime lows and the warmest cities in Donegal County, Ireland this May.

Donegal County, Ireland, a region in Ireland, experiences moderate average maximum daytime temperatures in May, ranging from 13°C (55°F) in Greencastle to 16°C (61°F) in Bundoran. Nighttime temperatures generally drop to 8°C (46°F) in Bundoran and 9°C (48°F) in Greencastle.

What is the temperature of the different cities in Donegal County, Ireland in May?

To get a sense of May's typical temperatures in the key spots of Donegal County, explore the map below. Click on a point for an in-depth look.

Select a Month

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit Donegal County, check out our Donegal County's climate page.

See also: Donegal County weather by month.

Best Places to Visit in Donegal County in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Donegal County.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in May: blue is cold, red is hot.

See all May weather averages, cities and regions in Donegal County

Donegal County temperatures in May: frequently asked questions

How hot does it get in Donegal County, Ireland in May?

Daytime temperatures in Bundoran typically peak at 16°C (61°F) in May, putting it in the moderate range.

How cold does it get at night in Donegal County, Ireland in May?

Average overnight lows in Donegal County, Ireland during May sit near 8°C (46°F) in Bundoran.

What is the warmest city in May in Donegal County, Ireland?

According to our recent database analysis, Bundoran is the warmest city. It experiences an average maximum daytime temperature of approximately 16°C (61°F) and rarely drops below 8°C (46°F) during the night.

What is the coldest city in May in Donegal County, Ireland?

For the month of May, Greencastle is the most temperate city in Donegal County, Ireland based on our records. Highs average 13°C (55°F) and nighttime temperatures dip to around 9°C (48°F).

Interested in more climate information?

We have much more information about the climate in Donegal County.

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