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 Ireland's most popular travel bloggers

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12 Awesome Things to Do in Doolin (Other Than the Cliffs of Moher)

13th March 2023 by Eat Sleep Breathe Travel

Doolin, located on the Wild Atlantic Way and just 90 minutes from, is renowned for its proximity to the Cliffs of Moher. However, there is much more to this Irish town than just the Cliffs. With a range of activities and attractions, Doolin is an ideal destination for day trips or those on an Irish road trip....

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The best pubs in Galway: Music, pints, and Irish craic

10th February 2022 by Eat Sleep Breathe Travel

Anyone who’s been to Ireland knows that as amazing as Dublin’s pubs may be, the real craic is in Galway. Sure, I may be biased as Galway was once a place that I called home, but I’m not alone in my thoughts. Even the locals agree that Galway’s craic is top notch, with many of them choosing to spend their weekends or holidays in Ireland’s famous west coast town to drink at some of the best pubs in Galway. ...

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