Cool
Average highs are around 15°C, so pack for cooler days.
May verdict
Galway, Ireland in May
Weather score24Poor
Poor for holiday weather
Average highs are around 15°C, so pack for cooler days. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 71mm, which is relatively low for holiday planning.
May weather
Monthly averages
Temp
15°C
Rain
71mm
Sun
5.4h
Sea
12°C
Weather score
24
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 71mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 12°C, so the water can feel cool.
Map
Weather map
Compare Galway, Ireland with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
May15°C average high
May is close to Galway's yearly temperature average, giving a typical read on daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
May71mm average rain
May sits on the drier side of Galway's year, which helps with sightseeing and transfers.
Driest monthsFebruary to August
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
May5.4 hours average sun
May is one of Galway's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to June
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
May12°C average sea
May is close to Galway's yearly sea-temperature average, so swimming comfort is fairly typical.
Warmest seaJune to September
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
May24 weather score
May sits close to Galway's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJune to August
These months have the strongest weather score in the monthly averages.
