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May Weather in Roundwood, Ireland

Last updated: August 23, 2025

In May, the average temperature in Roundwood, Ireland hovers around 11°C (51°F). Expect chilly nights with minimums dipping to -1°C (31°F), while daytime highs can reach a pleasant 21°C (70°F). Be prepared for some rain, as the area receives approximately 83 mm (3.3 in) of precipitation over 13 days. With an average humidity of 83%, it's a truly refreshing climate!

May Temperature in Roundwood

In May in Roundwood, the average temperature is 11°C (51°F), with maximums reaching 21°C (70°F) and minimums dropping as low as -1°C (31°F). Be prepared for a mix of mild and chilly weather, making it essential to pack layers for your travels.

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

The chart illustrates May temperature patterns in Roundwood, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roundwood, May typically has an average temperature of 11°C (51°F), with highs reaching up to 21°C (70°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec414243465156605955504543
Data source: Temperature data for Roundwood 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 Roundwood

In Roundwood in May, the precipitation amount is 83 mm (3.3 in) over a span of 13 days.

May Precipitation Trends in Roundwood

The chart displays monthly precipitation patterns in Roundwood, 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 Roundwood, May typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec619490588381851108193111111
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Roundwood

In Roundwood in May, humidity is 83%. With an average temperature of 11°C (51°F), this humidity feels like a chilly dampness that clings to your skin, making any outdoor adventures a bit uncomfortable and best enjoyed with layered clothing and a light raincoat.

May Average Humidity in Roundwood

This chart illustrates the average monthly humidity levels in Roundwood, 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 Roundwood is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Roundwood

In Roundwood 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 Roundwood.

Maximum UV Index Levels in Roundwood for May

The chart shows the monthly maximum UV Index (UVI) for Roundwood 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 Roundwood typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Roundwood 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 Roundwood Compares to Other Months

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

This table compares monthly weather conditions in Roundwood, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)61 mm (2.4 inches)85%low
February Weather6°C (42°F)94 mm (3.7 inches)86%low
March Weather6°C (43°F)90 mm (3.5 inches)86%moderate
April Weather8°C (46°F)57 mm (2.3 inches)85%moderate
May Weather11°C (51°F)83 mm (3.3 inches)83%high
June Weather13°C (57°F)81 mm (3.2 inches)85%very high
July Weather15°C (60°F)85 mm (3.3 inches)86%very high
August Weather15°C (59°F)110 mm (4.3 inches)85%high
September Weather13°C (55°F)81 mm (3.2 inches)86%moderate
October Weather10°C (50°F)93 mm (3.7 inches)87%moderate
November Weather7°C (45°F)110 mm (4.3 inches)86%low
December Weather6°C (43°F)111 mm (4.4 inches)84%low

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