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May Weather in Dundrum, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Dundrum, United Kingdom hovers around 11°C (52°F). Expect minimums as low as 3°C (37°F) and maximums reaching 19°C (66°F). This month also sees an average precipitation of 60 mm (2.4 in), spread over approximately 11 days, while the humidity levels can be quite high at 82%. Prepare accordingly!

May Temperature in Dundrum

In May in Dundrum, the average temperature is 11°C (52°F). Maximums can reach 19°C (66°F), while minimums can drop to as low as 3°C (37°F). This weather makes Dundrum a pleasant destination for travelers looking to enjoy mild temperatures and outdoor activities.

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

The chart illustrates May temperature patterns in Dundrum, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dundrum, May typically has an average temperature of 11°C (52°F), with highs reaching up to 19°C (66°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec444445475257605957534845
Data source: Temperature data for Dundrum generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Dundrum

In Dundrum in May, the precipitation amount is 60 mm (2.4 in) over the course of 11 days.

May Precipitation Trends in Dundrum

The chart displays monthly precipitation patterns in Dundrum, 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 Dundrum, May typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec69102914360768411583110120107
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Dundrum

In Dundrum in May, humidity is 82%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making it essential to dress in layers and stay prepared for the moisture-laden air as you explore your surroundings.

May Average Humidity in Dundrum

This chart illustrates the average monthly humidity levels in Dundrum, 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 Dundrum is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dundrum

In Dundrum in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Dundrum.

Maximum UV Index Levels in Dundrum for May

The chart shows the monthly maximum UV Index (UVI) for Dundrum 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 Dundrum typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123578865321
Data source: Dundrum 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 Dundrum Compares to Other Months

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

This table compares monthly weather conditions in Dundrum, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)69 mm (2.7 inches)87%low
February Weather7°C (44°F)101 mm (4.0 inches)86%low
March Weather7°C (45°F)91 mm (3.6 inches)86%moderate
April Weather8°C (47°F)43 mm (1.7 inches)85%moderate
May Weather11°C (52°F)60 mm (2.4 inches)82%high
June Weather14°C (57°F)76 mm (3.0 inches)84%very high
July Weather15°C (60°F)84 mm (3.3 inches)86%very high
August Weather15°C (60°F)115 mm (4.5 inches)86%high
September Weather14°C (57°F)83 mm (3.3 inches)88%moderate
October Weather11°C (53°F)110 mm (4.3 inches)89%moderate
November Weather9°C (48°F)120 mm (4.7 inches)90%low
December Weather7°C (45°F)107 mm (4.2 inches)86%low

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