nomadseason

May Weather in Killumney, Ireland

Last updated: August 23, 2025

In May, the average temperature in Killumney, Ireland is a mild 11°C (52°F). Expect a range that dips to a minimum of 3°C (37°F) and can rise to a pleasant 21°C (70°F). This month also sees about 80 mm (3.2 in) of precipitation stretched over 13 days, contributing to a high average humidity level of 84%.

May Temperature in Killumney

In May in Killumney, the average temperature is 11°C (52°F). The maximum can reach 21°C (70°F), and the minimum can be as low as 3°C (37°F). Be sure to pack layers to stay comfortable during your travels, as temperatures can vary significantly throughout the day.

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

The chart illustrates May temperature patterns in Killumney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Killumney, May typically has an average temperature of 11°C (52°F), with highs reaching up to 21°C (70°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec454545485257616057524846
Data source: Temperature data for Killumney 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 Killumney

In Killumney in May, the precipitation amount is 80 mm (3.2 in) spread over 13 days.

May Precipitation Trends in Killumney

The chart displays monthly precipitation patterns in Killumney, 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 Killumney, May typically receives around 80 mm (3.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec7212596788066649079119102125
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Killumney

In Killumney in May, humidity is 84%. With an average temperature of 11°C (52°F), this humidity feels like a heavy blanket, making it uncomfortable for traveling as the dampness clings to your skin and can leave you feeling sluggish and fatigued.

May Average Humidity in Killumney

This chart illustrates the average monthly humidity levels in Killumney, 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 Killumney is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%85%84%84%84%85%85%84%85%86%84%83%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Killumney

In Killumney 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 Killumney.

Maximum UV Index Levels in Killumney for May

The chart shows the monthly maximum UV Index (UVI) for Killumney 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 Killumney typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678875421
Data source: Killumney 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 Killumney Compares to Other Months

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

This table compares monthly weather conditions in Killumney, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)72 mm (2.8 inches)83%low
February Weather7°C (45°F)125 mm (4.9 inches)85%low
March Weather7°C (45°F)96 mm (3.8 inches)84%moderate
April Weather9°C (48°F)78 mm (3.1 inches)84%high
May Weather11°C (52°F)80 mm (3.2 inches)84%high
June Weather14°C (57°F)66 mm (2.6 inches)85%very high
July Weather16°C (61°F)64 mm (2.5 inches)85%very high
August Weather15°C (60°F)90 mm (3.5 inches)84%high
September Weather14°C (57°F)79 mm (3.1 inches)85%moderate
October Weather11°C (53°F)118 mm (4.7 inches)86%moderate
November Weather9°C (48°F)102 mm (4.0 inches)84%low
December Weather8°C (46°F)125 mm (4.9 inches)83%low

Compare Killumney's Climate with Cities Worldwide