Galway weather in May
Galway in May averages 12°C (54°F), 63 mm of rain and 5.8 hours of sun a day.
Of the twelve months in Galway, May is the fifth warmest, the driest and the sunniest.
- Average temp
- 12°C (54°F)
8–16°C · 47–61°F
- Rainfall
- 63 mm
Showers likely
- Sunshine
- 5.8 h
hours per day
- Wind
- 18 km/h
What is Galway like in May?
Daytime
Days are cool.
Rain
Some rain is likely; pack for showers.
Evening
Evenings are cooler. A layer helps after sunset.
What should I pack for Galway in May?
A light rain jacket
About 63 mm falls this month — showers rather than washouts.
A warm mid-layer
Nights drop to around 8°C (47°F).
May compared with April and June
May in Galway is 2.6°C warmer than April and about as wet as it, which averages 10°C (49°F).
May in Galway is 2.4°C cooler than June and 10 mm drier than it, which averages 15°C (58°F).
Daylight in Galway in May
On 15 May the sun is up for 15 hours 54 minutes in Galway, rising about 05:36 and setting about 21:30 local time.
May ends 1 hour 32 minutes longer than it begins, so the last week of the month is a different length of day from the first.
That is 1 hour 4 minutes short of June, the longest-lit month here.
Where to stay in Galway
Dates are a starting point for May.
Travel guides for Galway
What to read before you book.
Galway weather by month
TemperatureRainfall
How May compares with the rest of the year
May is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 6°C / 43°F | 100 mm |
| February | 6°C / 44°F | 87 mm |
| March | 8°C / 46°F | 76 mm |
| April | 10°C / 49°F | 63 mm |
| May | 12°C / 54°F | 63 mm |
| June | 15°C / 58°F | 72 mm |
| July | 16°C / 61°F | 76 mm |
| August | 16°C / 61°F | 89 mm |
| September | 14°C / 58°F | 77 mm |
| October | 11°C / 52°F | 101 mm |
| November | 8°C / 47°F | 104 mm |
| December | 7°C / 44°F | 113 mm |
Similar weather in May
Other destinations whose May averages sit close to this one.
Check another month
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FAQs about Galway in May
May climate averages for Galway, 1991–2020.
Galway averages 12°C (54°F) in May, ranging from about 8°C (47°F) at night to 16°C (61°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Some. About 63 mm falls across May, enough to need a light jacket but not enough to reshape a trip.
No. May averages 12°C (54°F) against 15°C (58°F) in June — 2.4°C cooler.
May is 2.6°C warmer than April, and about as wet.
Yes. May falls inside the most comfortable stretch of the year here, May to October, on temperature and rainfall together.
About 5.8 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what May is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 15 hours 54 minutes of daylight in mid-May, against 16 hours 58 minutes in June and 7 hours 33 minutes in December.
On 15 May, sunrise is about 05:36 and sunset about 21:30 local time. Both shift across the month — the month ends 1 hour 32 minutes longer than it starts.
