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Weather Comparison

Galway vs Dublin

Side-by-side weather comparison for May

Galway: 15°CDublin: 15°C186 km apart

May Weather: Galway vs Dublin

MetricGalwayDublinBetter
Average HighHigher is warmer15°C (59°F)15°C (59°F)Tie
Average LowHigher is milder8°C (46°F)8°C (46°F)Tie
Rain DaysFewer is drier14 days14 daysTie
PrecipitationLess is drier81 mm67 mmDublin
Sunshine HoursMore is sunnier10h/day11h/dayDublin
HumidityLower is more comfortable65%65%Tie
UV IndexLower is safer1010Tie
Wind SpeedCalmer is better21 km/h21 km/hTie

Which City is Better in May?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Dublin edges ahead as the better destination in May. Dublin offers 11 hours of daily sunshine with only 14 rain days, while Galway sees 10 sunshine hours and 14 rain days.

Galway sits in the comfortable travel range at 15°C. Dublin is also comfortable at 15°C.

For travelers who prioritize dry weather, both cities are equally dry in May. Dublin receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in May

Galway reaches an average high of 15°C (59°F) and drops to 8°C (46°F) at night during May. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Dublin averages 15°C (59°F) for the high and 8°C (46°F) for the low, with a daily range of 7°C. The two cities feel quite similar in terms of temperature.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in May.

Rainfall Comparison in May

Galway receives approximately 81 mm of rainfall across 14 rain days during May. You can expect rain roughly every other day.

Dublin sees 67 mm over 14 rain days. Both cities are equally rainy this month.

Both cities share similar humidity levels at 65%.

What to Pack: Galway vs Dublin

Packing for Galway in May

Highs of 15°C, lows of 8°C, 14 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Packing for Dublin in May

Highs of 15°C, lows of 8°C, 14 rain days

  • warm layers
  • a mid-weight jacket
  • long trousers
  • waterproof jacket
  • compact umbrella
  • waterproof shoes

Pack for both: warm layers, a mid-weight jacket, long trousers, waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during May.

Year-Round Comparison: Galway vs Dublin

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.May is highlighted for quick reference.

MonthGalwayDublin
HighRainHighRain
Jan8°C16d8°C13d
Feb9°C13d8°C12d
Mar10°C14d10°C12d
Apr12°C14d12°C14d
May15°C14d15°C14d
Jun17°C14d17°C13d
Jul18°C15d19°C15d
Aug18°C15d19°C14d
Sep16°C13d17°C12d
Oct13°C15d13°C12d
Nov10°C15d10°C13d
Dec8°C16d8°C13d
15°

Galway Weather in May

Full forecast, packing tips, and activities

15°

Dublin Weather in May

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Galway warmer than Dublin in May?
Galway and Dublin have the same average high temperature of 15°C (59°F) in May. The average lows are 8°C and 8°C respectively.
Which city gets more rain in May, Galway or Dublin?
Both cities average 14 rain days in May with similar precipitation levels.
Is it better to visit Galway or Dublin in May?
It depends on your preferences. Galway averages 15°C and 10 hours of daily sunshine with 14 rain days. Dublin averages 15°C with 11 sunshine hours and 14 rain days. If you prefer cooler conditions, choose Dublin. For fewer rain days, both are equal.
How far apart are Galway and Dublin?
Galway and Dublin are approximately 186 km (116 miles) apart. Galway is located in Ireland (Europe) while Dublin is in Ireland (Europe).
What is the best month to visit Galway and Dublin?
For Galway, May tends to be the best month with 10 hours of daily sunshine and a high of 15°C. For Dublin, June is typically ideal with 11 sunshine hours and 17°C highs.

Compare Galway and Dublin in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Galway coordinates: 53.27°N, -9.06°E | Dublin coordinates: 53.35°N, -6.26°E