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May Weather in Cairnryan, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Cairnryan, United Kingdom hovers around 10°C (51°F), with a minimum of 4°C (39°F) and a comfortable maximum of 19°C (66°F). Visitors can expect about 63 mm (2.5 in) of precipitation spread over 12 days, contributing to an average humidity of 82%. Be prepared for a slightly damp but mildly pleasant experience!

May Temperature in Cairnryan

In May in Cairnryan, the average temperature is 10°C (51°F). Maximums can reach 19°C (66°F), and minimums can be as low as 4°C (39°F). It's a great time to explore Cairnryan, but be sure to pack layers to stay comfortable throughout the day!

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

The chart illustrates May temperature patterns in Cairnryan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cairnryan, May typically has an average temperature of 10°C (51°F), with highs reaching up to 19°C (66°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec444344465055585856534845
Data source: Temperature data for Cairnryan 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 Cairnryan

In Cairnryan in May, the total precipitation amount reaches 63 mm (2.5 in) over the course of 12 days.

May Precipitation Trends in Cairnryan

The chart displays monthly precipitation patterns in Cairnryan, 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 Cairnryan, May typically receives around 63 mm (2.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec103133100426396113126115160153144
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cairnryan

In Cairnryan in May humidity is 82%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that clings to your skin, making outdoor adventures less appealing and prompting travelers to seek cozy indoor activities or warm drinks to counter the brisk air.

May Average Humidity in Cairnryan

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

In Cairnryan in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Cairnryan, you can refer to this Hourly UV Index in Cairnryan.

Maximum UV Index Levels in Cairnryan for May

The chart shows the monthly maximum UV Index (UVI) for Cairnryan 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 Cairnryan typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Cairnryan 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 Cairnryan Compares to Other Months

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

This table compares monthly weather conditions in Cairnryan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)103 mm (4.1 inches)87%low
February Weather6°C (44°F)133 mm (5.2 inches)86%low
March Weather7°C (44°F)100 mm (3.9 inches)86%moderate
April Weather8°C (47°F)42 mm (1.7 inches)85%moderate
May Weather10°C (51°F)63 mm (2.5 inches)82%high
June Weather13°C (55°F)96 mm (3.8 inches)84%very high
July Weather14°C (58°F)113 mm (4.5 inches)86%very high
August Weather15°C (59°F)126 mm (4.9 inches)86%high
September Weather14°C (57°F)114 mm (4.5 inches)88%moderate
October Weather12°C (53°F)160 mm (6.3 inches)89%moderate
November Weather9°C (49°F)153 mm (6.0 inches)90%low
December Weather7°C (46°F)144 mm (5.7 inches)86%low

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