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Donegal County weather in May

Are you planning a trip to Donegal County in May and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Donegal County in May?

Donegal County is a region in Ireland. May in Donegal County generally has moderate temperatures, with precipitation levels ranging from moderate to high.

The average maximum temperatures are moderate and range from 13°C in Greencastle to 16°C in Bundoran. Nighttime temperatures generally drop to 8°C in Bundoran and 9°C in Greencastle.

In May, precipitation varies across different areas. From moderate rainfall in Malin Head with an average of 78 mm to high rainfall in Kincasslagh with 104 mm.

For a closer look at May's conditions in Donegal County, see the map below. For a more detailed look at Donegal County's yearly weather, check out our Donegal County climate page.

Where to go in Donegal County in May

Find the average weather conditions in May for the most popular destinations in Donegal County on the map below. Click on a destination dot for more detailed information.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Donegal County

What is the weather like in May for the 5 most popular destinations in Donegal County?

Average weather in Bundoran

In May Bundoran generally has moderate temperatures with maximum daytime temperatures around 16°C, minimum nighttime temperatures around 8°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Bundoran
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
5°C 
93 mm 
18 days 
16°C 
8°C 
100 mm 
19 days 
June   >> June
>>  
18°C 
10°C 
109 mm 
18 days 
Climate in Bundoran

Average weather in Donegal

In May Donegal generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 7°C and high monthly rainfall. So on average the conditions are unpleasant that month.

Donegal
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
5°C 
156 hours 
96 mm 
18 days 
15°C 
7°C 
203 hours 
101 mm 
19 days 
June   >> June
>>  
17°C 
10°C 
160 hours 
111 mm 
19 days 
Climate in Donegal

Average weather in Letterkenny

In May Letterkenny generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 7°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Letterkenny
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
12°C 
5°C 
156 hours 
91 mm 
18 days 
15°C 
7°C 
203 hours 
94 mm 
18 days 
June   >> June
>>  
17°C 
10°C 
160 hours 
104 mm 
18 days 
Climate in Letterkenny

Average weather in Buncrana

In May Buncrana generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Buncrana
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
13°C 
6°C 
156 hours 
86 mm 
17 days 
15°C 
8°C 
203 hours 
87 mm 
18 days 
June   >> June
>>  
17°C 
10°C 
160 hours 
99 mm 
18 days 
Climate in Buncrana

Average weather in Moville

In May Moville generally has moderate temperatures with maximum daytime temperatures around 13°C, minimum nighttime temperatures around 8°C and moderate monthly rainfall. So on average the conditions are unpleasant that month.

Moville
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   April April
<<  
11°C 
6°C 
156 hours 
92 mm 
17 days 
13°C 
8°C 
203 hours 
86 mm 
18 days 
June   >> June
>>  
15°C 
11°C 
160 hours 
103 mm 
17 days 
Climate in Moville

Is your destination not in the list? Have a look at other destinations in Donegal County, in Ireland.

Is May the best time to visit Donegal County?

In our view, May might not be the best time to travel to Donegal County with often unpleasant weather in Bundoran.

Generally speaking, June, July and August provide tolerable weather in Bundoran. On the other hand, the weather in January, February, March, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in Donegal County. Interested in the weather conditions in a specific month? Select the month below.

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