May Weather in Dublin, United States

Last updated: June 24, 2025

In May, the average temperature in Dublin, United States is a comfortable 24°C (76°F). Expect a range that can dip to a chilly 9°C (49°F) and soar up to a sizzling 38°C (101°F). During the month, the region sees about 86 mm (3.4 in) of precipitation over approximately 8 days, accompanied by a notable average humidity of 81%. Whether you’re planning outdoor activities or cozy indoor moments, be prepared for a month of delightful contrasts!

May Temperature in Dublin

In May in Dublin, the average temperature is 24°C (76°F). Maximums can reach 38°C (101°F), and minimums can be as low as 9°C (49°F). This makes it an ideal time for travelers to enjoy a range of activities, from warm, sunny days to 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 (76°F), with highs reaching up to 38°C (101°F) and lows dropping to around 9°C (49°F).

Data source: Temperature data for Dublin generated using information from the Copernicus Climate Change Service.

May Precipitation in Dublin

In Dublin in May, the precipitation amount reaches 86 mm (3.4 in) over the course of 8 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 86 mm (3.4 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Dublin

In Dublin in May, humidity is 81%. With an average temperature of 24°C (76°F), this humidity feels like a warm, muggy embrace that can make outdoor activities feel exhausting, leaving travelers in need of frequent breaks and plenty of 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 81%, offering insight into how humid the weather typically is during this month.

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.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	92 mm (3.6 inches)	86%	moderate
February Weather	13°C (56°F)	116 mm (4.6 inches)	84%	high
March Weather	16°C (61°F)	74 mm (2.9 inches)	83%	very high
April Weather	19°C (67°F)	89 mm (3.5 inches)	81%	very high
May Weather	24°C (76°F)	86 mm (3.4 inches)	81%	extreme
June Weather	27°C (80°F)	108 mm (4.2 inches)	81%	extreme
July Weather	28°C (83°F)	105 mm (4.1 inches)	83%	extreme
August Weather	28°C (83°F)	99 mm (3.9 inches)	81%	extreme
September Weather	26°C (79°F)	107 mm (4.2 inches)	82%	very high
October Weather	22°C (71°F)	91 mm (3.6 inches)	78%	very high
November Weather	14°C (57°F)	58 mm (2.3 inches)	86%	high
December Weather	11°C (53°F)	121 mm (4.8 inches)	89%	moderate