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May Weather in Gwalchmai, United Kingdom

Last updated: August 27, 2025

In Gwalchmai, United Kingdom, the average temperature in May hovers around 12°C (54°F), with a minimum dipping to 1°C (33°F) and a maximum reaching 28°C (82°F). Expect about 61 mm (2.4 in) of precipitation over 11 days, contributing to an average humidity of 79%. Be prepared for a mix of cool and warm days while enjoying the unique charm of this time of year!

May Temperature in Gwalchmai

In May in Gwalchmai, the average temperature is 12°C (54°F). Maximums can reach 28°C (82°F), while minimums can drop as low as 1°C (33°F). This variability makes it essential for travelers to pack layers to stay comfortable throughout the day.

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

The chart illustrates May temperature patterns in Gwalchmai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gwalchmai, May typically has an average temperature of 12°C (54°F), with highs reaching up to 28°C (82°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec454546495459626158544946
Data source: Temperature data for Gwalchmai 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 Gwalchmai

In Gwalchmai in May, the total precipitation amount is 61 mm (2.4 in) over the course of 11 days.

May Precipitation Trends in Gwalchmai

The chart displays monthly precipitation patterns in Gwalchmai, 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 Gwalchmai, May typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec739998506182669593130115125
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Gwalchmai

In Gwalchmai in May, humidity is 79%. With an average temperature of 12°C (54°F), this humidity makes traveling feel quite muggy, leading to a sticky discomfort that can sap your energy and make outdoor activities less enjoyable.

May Average Humidity in Gwalchmai

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

In Gwalchmai 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 Gwalchmai.

Maximum UV Index Levels in Gwalchmai for May

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

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

This table compares monthly weather conditions in Gwalchmai, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)73 mm (2.9 inches)89%low
February Weather7°C (45°F)98 mm (3.9 inches)88%low
March Weather8°C (46°F)98 mm (3.9 inches)86%moderate
April Weather9°C (49°F)50 mm (2.0 inches)84%moderate
May Weather12°C (54°F)61 mm (2.4 inches)79%high
June Weather15°C (59°F)82 mm (3.2 inches)81%very high
July Weather16°C (62°F)66 mm (2.6 inches)78%very high
August Weather16°C (61°F)95 mm (3.7 inches)79%high
September Weather15°C (58°F)93 mm (3.6 inches)85%moderate
October Weather12°C (54°F)130 mm (5.1 inches)90%moderate
November Weather9°C (49°F)115 mm (4.5 inches)91%low
December Weather8°C (46°F)125 mm (4.9 inches)89%low

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