Co. Galway weather

Our guide to the weather in Co. Galway during May

14

Average high

3

UV Index

106mm

Monthly rainfall

84%

Humidity

We've looked at the most up-to-date weather data for Co. Galway, covering the last 12 years up to 2024, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Co. Galway weather in May.

What's the temperature like in Co. Galway during May?

The temperature reaches around 14℃ during the daytime in May, falling away to 7℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.

Does it rain in Co. Galway during May?

On average, there will be 8 rainy days during the month, amounting to 106.0mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.

Is it windy in Co. Galway during May?

You're unlikely to experience any strong winds. Expect a gentle breeze that increases to moderate at times during May. With moderate air temperatures, any breeze will feel cool.

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Co. Galway Blog posts

From the UK's most popular travel bloggers

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Savouring the Delights of Galway Oyster Festival

11th April 2024 by The Rare Welsh Bit

Situated on the picturesque west coast of Ireland, Galway city is celebrated for its lively culture, deep-rooted history, and breathtaking scenery. Dubbed the "festival capital" of Ireland, the city plays host to a remarkable 120 festivals annually. One standout event is the Galway Oyster Festival, a delightful fusion of gastronomic mastery and communal camaraderie. Join in the festivities and savour the delights of this unique celebration....

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The Best Things to Do in Connemara, Ireland

28th June 2023 by Mini Adventures

Ireland is renowned for its wild and rugged beauty, and the western district of Connemara is the ideal place to experience the nation's most breathtaking landscapes. From mountains and glistening lakes to beaches and bogs, its desolate beauty evokes images of fairytales and fantasy. If you are planning a road trip in Ireland, Connemara is an absolute must-see. For some inspiration, take a look at some of the area's highlights. Hiking the Twelve Bens...

Weather in Co. Galway

Our month-by-month guide to the weather and climate in Co. Galway

7.8

Co. Galway weather in

January
8.4

Co. Galway weather in

February
9.8

Co. Galway weather in

March
12.1

Co. Galway weather in

April
14.1

Co. Galway weather in

May
16.6

Co. Galway weather in

June
17.8

Co. Galway weather in

July
17.4

Co. Galway weather in

August
16.0

Co. Galway weather in

September
13.4

Co. Galway weather in

October
10.1

Co. Galway weather in

November
8.1

Co. Galway weather in

December