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Galway County weather in May

Are you planning a trip to Galway 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 Galway County in May?

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

The average maximum temperatures are moderate and range from 14°C in Inishbofin to 16°C in Ballinasloe. Nighttime temperatures generally drop to 8°C in Ballinasloe and 10°C in Inishbofin.

In May, precipitation varies across different areas. From moderate rainfall in Portumna with an average of 78 mm to high rainfall in Cornamona with 110 mm. Most areas experience a moderate amount of sunshine, with approximately 157 hours of sunlight expected in Galway. This makes it neither too gloomy nor overly bright.

To learn more about the conditions in specific areas of Galway County in May, check out the map below. For more details on the yearly weather, visit our Galway County climate page.

Where to go in Galway County in May

Find the average weather conditions in May for the most popular destinations in Galway 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 Galway County

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

Average weather in Galway

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

Galway
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
<<  
14°C 
5°C 
132 hours 
85 mm 
16 days 
16°C 
8°C 
157 hours 
86 mm 
18 days 
June   >> June
>>  
18°C 
10°C 
139 hours 
89 mm 
17 days 
Climate in Galway

Average weather in Clifden

In May Clifden generally has moderate temperatures with maximum daytime temperatures around 15°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Clifden
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 
6°C 
132 hours 
93 mm 
17 days 
15°C 
9°C 
157 hours 
94 mm 
19 days 
June   >> June
>>  
16°C 
11°C 
139 hours 
96 mm 
17 days 
Climate in Clifden

Average weather in Cong

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

Cong
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 
132 hours 
95 mm 
17 days 
16°C 
8°C 
157 hours 
99 mm 
18 days 
June   >> June
>>  
18°C 
10°C 
139 hours 
100 mm 
17 days 
Climate in Cong

Average weather in Oughterard

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

Oughterard
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 
132 hours 
95 mm 
17 days 
16°C 
8°C 
157 hours 
98 mm 
18 days 
June   >> June
>>  
18°C 
10°C 
139 hours 
99 mm 
17 days 
Climate in Oughterard

Average weather in Renvyle

In May Renvyle generally has moderate temperatures with maximum daytime temperatures around 14°C, minimum nighttime temperatures around 9°C and moderate monthly rainfall. So on average the conditions are tolerable that month.

Renvyle
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 
7°C 
132 hours 
97 mm 
18 days 
14°C 
9°C 
157 hours 
98 mm 
19 days 
June   >> June
>>  
16°C 
11°C 
139 hours 
100 mm 
18 days 
Climate in Renvyle

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

Is May the best time to visit Galway County?

In our opinion, May is a good time to visit Galway County with overall tolerable weather in Galway.

Generally speaking, July provides perfect weather in Galway. On the other hand, the months of January, February, November and December tend to have poor weather conditions.

Interested in more climate information?

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

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  • Weather and climate has detailed information for every country in the world. Are you going to Ireland? Get detailed historical weather averages for many cities in Ireland.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.