Galway
May
Weather in Galway for May 2026
Your guide to Galway weather in May - trends and predictions
In general, the average temperature in Galway at the beginning of May is 13.6 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 16.1 °C by the end of May.
Galway experiences moderate rainfall in May, with an average of 9 rainy days and a total precipitation of 151.7 mm.
Temperatures
Rain 🌧️
22
Dry days
9
Rainy days
0
Snow days
17°/8°
Temperatures
20 km/h
Avg max wind
84 %
Avg humidity
Galway Weather May
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Temperatures trend during May in Galway
See the weather trend as well as the moving average line
May weather in Galway day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 May |  Patchy rain possible | 14° /7° | 0.8 mm | 3 | |
| 2 May | Patchy rain possible | 14° /7° | 1.3 mm | 3 | |
| 3 May |  Overcast | 14° /7° | 2.7 mm | 3 | |
| 4 May |  Moderate or heavy rain shower | 12° /7° | 5.7 mm | 3 | |
| 5 May | Moderate or heavy rain shower | 14° /7° | 4.6 mm | 4 | |
| 6 May | Moderate or heavy rain shower | 13° /8° | 2.7 mm | 4 | |
| 7 May | Moderate or heavy rain shower | 14° /7° | 2.6 mm | 3 | |
| 8 May | Patchy rain possible | 15° /9° | 2.2 mm | 4 | |
| 9 May | Patchy rain possible | 15° /8° | 2 mm | 4 | |
| 10 May | Patchy rain possible | 15° /9° | 2.8 mm | 3 | |
| 11 May | Patchy rain possible | 16° /8° | 1.2 mm | 4 | |
| 12 May | Overcast | 15° /8° | 0.3 mm | 3 | |
| 13 May | Overcast | 15° /8° | 4.7 mm | 4 | |
| 14 May | Light rain shower | 15° /7° | 4 mm | 4 | |
| 15 May | Patchy rain possible | 16° /7° | 1.4 mm | 4 | |
| 16 May |  Sunny | 17° /6° | 0.7 mm | 5 | |
| 17 May | Overcast | 16° /8° | 0.9 mm | 4 | |
| 18 May | Patchy rain possible | 17° /8° | 0.1 mm | 4 | |
| 19 May | Overcast | 16° /7° | 2.4 mm | 4 | |
| 20 May | Moderate rain at times | 16° /9° | 3.1 mm | 3 | |
| 21 May | Patchy rain possible | 15° /10° | 1.5 mm | 3 | |
| 22 May |  Cloudy | 15° /8° | 1.1 mm | 4 | |
| 23 May |  Partly cloudy | 15° /7° | 0.4 mm | 4 | |
| 24 May | Patchy rain possible | 15° /9° | 3.9 mm | 4 | |
| 25 May | Light rain shower | 14° /8° | 4.5 mm | 3 | |
| 26 May | Light rain shower | 15° /9° | 4.9 mm | 3 | |
| 27 May | Partly cloudy | 15° /9° | 3.5 mm | 4 | |
| 28 May | Cloudy | 16° /9° | 2.9 mm | 4 | |
| 29 May | Cloudy | 17° /9° | 2.6 mm | 4 | |
| 30 May | Patchy rain possible | 18° /9° | 0.3 mm | 4 | |
| 31 May | Sunny | 18° /9° | 1.4 mm | 5 | |
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Important Notice
Our weather forecast for Galway in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Galway forecast closer to your planned date for the most up-to-date weather information.
Change Month
Galway in May - FAQ
What are the expected maximum and minimum temperatures in Galway during May?
Enjoy moderate daytime temperatures of up to 17° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Galway during May?
Significant rainfall exceeding 151.7 mm is expected in Galway during May, occurring over more than 9 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Galway during May?
The average wind speed in Galway during May is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
May rainfall patterns in Galway
Explore the daily rainfall trends and prepare for Galways May weather 💧
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