nomadseason

May Weather in Dublin, United States

Last updated: June 24, 2025

In May, the average temperature in Dublin, United States is a pleasant 24°C (75°F). However, be prepared for some variability, as temperatures can dip to a cool 8°C (46°F) or soar up to a scorching 37°C (100°F). Expect 119 mm (4.7 in) of precipitation over 11 days, contributing to the average humidity of 82%. Enjoy the climate while planning for the occasional rain!

May Temperature in Dublin

In May in Dublin, the average temperature is 24°C (75°F). Maximums can reach 37°C (100°F), and minimums can be as low as 8°C (46°F). This makes Dublin an ideal destination for travelers looking to enjoy warm weather with a few cooler evenings.

May Weather in Dublin: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Dublin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dublin, May typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (100°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec474960667481858578685752
Data source: Temperature data for Dublin generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Dublin

In Dublin in May, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.

May Precipitation Trends in Dublin

The chart displays monthly precipitation patterns in Dublin, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Dublin, May typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec4271847511963437175983837
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Dublin

In Dublin in May, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

May Average Humidity in Dublin

This chart illustrates the average monthly humidity levels in Dublin, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Dublin is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%78%77%78%82%78%69%63%66%73%84%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dublin

In Dublin in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Dublin.

Maximum UV Index Levels in Dublin for May

The chart shows the monthly maximum UV Index (UVI) for Dublin in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Dublin typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101112121110864
Data source: Dublin May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How May Weather in Dublin Compares to Other Months

Weather in Dublin varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Dublin, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Dublin, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)42 mm (1.6 inches)78%moderate
February Weather10°C (50°F)71 mm (2.8 inches)78%high
March Weather16°C (61°F)84 mm (3.3 inches)77%very high
April Weather19°C (66°F)75 mm (2.9 inches)78%very high
May Weather24°C (75°F)119 mm (4.7 inches)82%extreme
June Weather27°C (82°F)63 mm (2.5 inches)78%extreme
July Weather30°C (85°F)43 mm (1.7 inches)69%extreme
August Weather29°C (85°F)71 mm (2.8 inches)63%extreme
September Weather26°C (79°F)75 mm (2.9 inches)66%very high
October Weather20°C (68°F)98 mm (3.8 inches)73%very high
November Weather14°C (57°F)38 mm (1.5 inches)84%high
December Weather11°C (52°F)37 mm (1.4 inches)87%moderate

Compare Dublin's Climate with Cities Worldwide