Clifden

Galway County Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in Galway County, Ireland in May.

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

What to Expect in Galway County in May

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

Temperatures

The average maximum temperatures are mild and range from 14°C (57°F) in Inishbofin to 16°C (61°F) in Ballinasloe. Nighttime temperatures generally drop to 8°C (46°F) in Ballinasloe and 10°C (50°F) in Inishbofin.

To learn more about the conditions in specific areas of Galway County, Ireland, check out the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Portumna with an average of 78 mm (3.1 in) to high rainfall in Cornamona with 110 mm (4.3 in).

Average sunshine

Most areas see decent amounts of sunshine this month. Galway gets around 157 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Galway County by month

Pick a month to see the average temperature, rainfall and sunshine in Galway County — and find the best time to visit. (based on Galway)

Best Places to Visit in Galway County in May

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

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Galway County

What is the weather like in May for some of the most popular destinations in Galway County, Ireland?

Temperature range in Galway County (May)

Precipitation variation in Galway County (May)

Galway

In May Galway generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
14°C (57°F)
16°C (61°F)
18°C (64°F)
Min temperature
5°C (41°F)
8°C (46°F)
10°C (50°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
85 mm (3.3 in)
86 mm (3.4 in)
89 mm (3.5 in)
Monthly rainy days
16 days
18 days
17 days
Weather conditions

Clifden

In May Clifden generally has moderate temperatures with maximum daytime temperatures around 15°C (59°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
12°C (54°F)
15°C (59°F)
16°C (61°F)
Min temperature
6°C (43°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
93 mm (3.7 in)
94 mm (3.7 in)
96 mm (3.8 in)
Monthly rainy days
17 days
19 days
17 days
Weather conditions

Cong

In May Cong generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
5°C (41°F)
8°C (46°F)
10°C (50°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
95 mm (3.7 in)
99 mm (3.9 in)
100 mm (3.9 in)
Monthly rainy days
17 days
18 days
17 days
Weather conditions

Oughterard

In May Oughterard generally has moderate temperatures with maximum daytime temperatures around 16°C (61°F), minimum nighttime temperatures around 8°C (46°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
13°C (55°F)
16°C (61°F)
18°C (64°F)
Min temperature
5°C (41°F)
8°C (46°F)
10°C (50°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
95 mm (3.7 in)
98 mm (3.9 in)
99 mm (3.9 in)
Monthly rainy days
17 days
18 days
17 days
Weather conditions

Renvyle

In May Renvyle generally has moderate temperatures with maximum daytime temperatures around 14°C (57°F), minimum nighttime temperatures around 9°C (48°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
12°C (54°F)
14°C (57°F)
16°C (61°F)
Min temperature
7°C (45°F)
9°C (48°F)
11°C (52°F)
Monthly sun hours
132 hours
157 hours
139 hours
Monthly rainfall
97 mm (3.8 in)
98 mm (3.9 in)
100 mm (3.9 in)
Monthly rainy days
18 days
19 days
18 days
Weather conditions

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

Popular cities in May

Day & night temperatures, rainfall and average weather in Galway County in May.

City Weather Day temp Night temp Rainfall
Galway 16°C (61°F) 8°C (46°F) 86 mm (3.4 in)
Clifden 15°C (59°F) 9°C (48°F) 94 mm (3.7 in)
Cong 16°C (61°F) 8°C (46°F) 99 mm (3.9 in)
Oughterard 16°C (61°F) 8°C (46°F) 98 mm (3.9 in)
Renvyle 14°C (57°F) 9°C (48°F) 98 mm (3.9 in)
Roundstone 15°C (59°F) 9°C (48°F) 99 mm (3.9 in)

Galway County weather in May: frequently asked questions

What is the weather like in Galway County, Ireland in May?

Expect tolerable weather across Galway County, Ireland in May. The popular destination of Galway averages 16°C (61°F) by day and 8°C (46°F) at night during this month.

What is the average temperature in Galway County, Ireland in May?

Daytime temperatures in Galway peak at roughly 16°C (61°F) in May, dropping to about 8°C (46°F) overnight.

Does Galway County, Ireland get a lot of rain in May?

Rain is generally moderate to light in Galway County, Ireland during May, with Galway averaging close to 86 mm (3.4 in).

Is May a Good Time to Visit Galway County, Ireland?

In our opinion, May is a good time to visit Galway County, Ireland 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.

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 travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.