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May Weather in Cynwyd, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Cynwyd, United Kingdom hovers around 10°C (51°F), with a minimum dipping to -2°C (29°F) and a maximum soaring to 25°C (77°F). Expect a precipitation amount of 77 mm (3.0 in) spread over 14 days, contributing to a high average humidity of 79%. Enjoy the unique climate that this month brings!

May Temperature in Cynwyd

In May in Cynwyd, the average temperature is 10°C (51°F), with maximums reaching 25°C (77°F) and minimums dipping as low as -2°C (29°F). This weather makes it an ideal time for travelers to experience a mix of mild and refreshing conditions, perfect for outdoor activities and sightseeing.

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

The chart illustrates May temperature patterns in Cynwyd, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cynwyd, May typically has an average temperature of 10°C (51°F), with highs reaching up to 25°C (77°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec394042465157595855504441
Data source: Temperature data for Cynwyd 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 Cynwyd

In Cynwyd in May, the precipitation amount is 77 mm (3.0 in) over the course of 14 days.

May Precipitation Trends in Cynwyd

The chart displays monthly precipitation patterns in Cynwyd, 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 Cynwyd, May typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec791111126377998911510011692126
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Cynwyd

In Cynwyd in May, humidity is 79%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel somewhat uncomfortable unless you're properly layered.

May Average Humidity in Cynwyd

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

In Cynwyd 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 Cynwyd.

Maximum UV Index Levels in Cynwyd for May

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

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

This table compares monthly weather conditions in Cynwyd, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)79 mm (3.1 inches)89%low
February Weather5°C (41°F)111 mm (4.4 inches)88%low
March Weather6°C (42°F)112 mm (4.4 inches)86%moderate
April Weather8°C (46°F)63 mm (2.5 inches)84%moderate
May Weather10°C (51°F)77 mm (3.0 inches)79%high
June Weather14°C (57°F)99 mm (3.9 inches)81%very high
July Weather15°C (60°F)89 mm (3.5 inches)78%very high
August Weather15°C (59°F)115 mm (4.5 inches)79%high
September Weather13°C (55°F)100 mm (3.9 inches)85%moderate
October Weather10°C (50°F)116 mm (4.6 inches)90%moderate
November Weather7°C (44°F)92 mm (3.6 inches)91%low
December Weather5°C (41°F)126 mm (5.0 inches)89%low

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