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May Weather in Llangefni, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Llangefni, United Kingdom hovers around 12°C (53°F). Visitors can expect temperatures to vary, with a minimum of 0°C (32°F) and a maximum of 28°C (82°F). During this time, precipitation averages 71 mm (2.8 in) across about 12 days, while the humidity level remains relatively high at 79%, creating a distinctive atmosphere for the season.

May Temperature in Llangefni

In May in Llangefni, the average temperature is 12°C (53°F). Maximums can reach 28°C (82°F), while minimums can drop as low as 0°C (32°F). This variability makes it essential to pack layers for comfort during your travels.

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

The chart illustrates May temperature patterns in Llangefni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Llangefni, May typically has an average temperature of 12°C (53°F), with highs reaching up to 28°C (82°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616057524745
Data source: Temperature data for Llangefni 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 Llangefni

In Llangefni in May, the precipitation amount is 71 mm (2.8 in) during a total of 12 days.

May Precipitation Trends in Llangefni

The chart displays monthly precipitation patterns in Llangefni, 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 Llangefni, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec771031045571918210598128111129
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Llangefni

In Llangefni in May, humidity is 79%. With an average temperature of 12°C (53°F), this humidity feels like a damp blanket enveloping you, making outdoor activities slightly uncomfortable and ideal for cozy indoor explorations rather than extensive sightseeing.

May Average Humidity in Llangefni

This chart illustrates the average monthly humidity levels in Llangefni, 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 Llangefni is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Llangefni

In Llangefni 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 Llangefni.

Maximum UV Index Levels in Llangefni for May

The chart shows the monthly maximum UV Index (UVI) for Llangefni 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 Llangefni typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Llangefni 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 Llangefni Compares to Other Months

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

This table compares monthly weather conditions in Llangefni, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)77 mm (3.0 inches)89%low
February Weather6°C (44°F)103 mm (4.1 inches)88%low
March Weather7°C (45°F)104 mm (4.1 inches)86%moderate
April Weather9°C (48°F)55 mm (2.2 inches)84%moderate
May Weather12°C (53°F)71 mm (2.8 inches)79%high
June Weather15°C (59°F)91 mm (3.6 inches)81%very high
July Weather16°C (61°F)82 mm (3.2 inches)78%very high
August Weather16°C (61°F)105 mm (4.1 inches)79%high
September Weather14°C (57°F)98 mm (3.9 inches)85%moderate
October Weather11°C (53°F)128 mm (5.1 inches)90%moderate
November Weather9°C (48°F)111 mm (4.4 inches)91%low
December Weather7°C (45°F)129 mm (5.1 inches)89%low

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