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May Weather in Castleblayney, Ireland

Last updated: August 23, 2025

In May, the average temperature in Castleblayney, Ireland hovers around 11°C (53°F). You can expect minimum lows of -1°C (30°F) and highs that can reach up to 24°C (76°F). With an average precipitation of 70 mm (2.8 in) over approximately 12 days, and an average humidity of 83%, it's a month of moderate weather and frequent moisture.

May Temperature in Castleblayney

In May in Castleblayney, the average temperature is 11°C (53°F), with maximums reaching up to 24°C (76°F) and minimums dropping as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures during this month, making layering essential for outdoor activities.

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

The chart illustrates May temperature patterns in Castleblayney, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Castleblayney, May typically has an average temperature of 11°C (53°F), with highs reaching up to 24°C (76°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec414244475257605955504543
Data source: Temperature data for Castleblayney 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 Castleblayney

In Castleblayney in May, the precipitation amount is 70 mm (2.8 in) over the course of 12 days.

May Precipitation Trends in Castleblayney

The chart displays monthly precipitation patterns in Castleblayney, 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 Castleblayney, May typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5790834970817812075818390
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Castleblayney

In Castleblayney in May, humidity is 83%. With an average temperature of 11°C (53°F), this humidity feels like a heavy blanket wrapping around you, making every step feel sluggish and causing an inevitable sheen of sweat to form, which can dampen the joy of exploring your surroundings.

May Average Humidity in Castleblayney

This chart illustrates the average monthly humidity levels in Castleblayney, 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 Castleblayney 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 Castleblayney

In Castleblayney 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 Castleblayney.

Maximum UV Index Levels in Castleblayney for May

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

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

This table compares monthly weather conditions in Castleblayney, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)57 mm (2.3 inches)85%low
February Weather6°C (43°F)90 mm (3.5 inches)86%low
March Weather7°C (44°F)83 mm (3.3 inches)86%moderate
April Weather8°C (47°F)49 mm (1.9 inches)85%moderate
May Weather11°C (53°F)70 mm (2.8 inches)83%high
June Weather14°C (58°F)81 mm (3.2 inches)85%very high
July Weather16°C (61°F)78 mm (3.1 inches)86%very high
August Weather15°C (59°F)120 mm (4.7 inches)85%high
September Weather13°C (56°F)75 mm (3.0 inches)86%moderate
October Weather10°C (51°F)81 mm (3.2 inches)87%moderate
November Weather7°C (46°F)83 mm (3.3 inches)86%low
December Weather6°C (43°F)90 mm (3.6 inches)84%low

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