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May Weather in Llanwern, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Llanwern, United Kingdom hovers around 12°C (55°F). Expect a minimum chill of 2°C (36°F) and a delightful maximum of 25°C (78°F). During this month, anticipate 71 mm (2.8 in) of precipitation spread over 12 days, contributing to an average humidity of 80%. 🌧️

May Temperature in Llanwern

In May in Llanwern, the average temperature is 12°C (55°F). The maximum can reach 25°C (78°F), and the minimum can be as low as 2°C (36°F). This mild climate makes Llanwern an ideal destination for travelers looking to enjoy pleasant outdoor activities.

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

The chart illustrates May temperature patterns in Llanwern, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Llanwern, May typically has an average temperature of 12°C (55°F), with highs reaching up to 25°C (78°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec424445495461646259544745
Data source: Temperature data for Llanwern 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 Llanwern

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

May Precipitation Trends in Llanwern

The chart displays monthly precipitation patterns in Llanwern, 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 Llanwern, May typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec64798355727969856511580106
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Llanwern

In Llanwern in May, humidity is 80%. With an average temperature of 12°C (55°F), this humidity feels like a damp blanket wrapping around you, making it essential to choose breathable clothing and stay hydrated while exploring the area.

May Average Humidity in Llanwern

This chart illustrates the average monthly humidity levels in Llanwern, 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 Llanwern is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Llanwern

In Llanwern 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 Llanwern.

Maximum UV Index Levels in Llanwern for May

The chart shows the monthly maximum UV Index (UVI) for Llanwern 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 Llanwern typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Llanwern 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 Llanwern Compares to Other Months

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

This table compares monthly weather conditions in Llanwern, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)64 mm (2.5 inches)88%low
February Weather6°C (44°F)79 mm (3.1 inches)88%low
March Weather7°C (46°F)83 mm (3.3 inches)86%moderate
April Weather10°C (49°F)55 mm (2.2 inches)84%high
May Weather12°C (55°F)71 mm (2.8 inches)80%high
June Weather16°C (61°F)79 mm (3.1 inches)80%very high
July Weather18°C (64°F)69 mm (2.7 inches)70%very high
August Weather17°C (63°F)85 mm (3.3 inches)73%high
September Weather15°C (59°F)65 mm (2.5 inches)79%high
October Weather12°C (54°F)115 mm (4.5 inches)89%moderate
November Weather9°C (48°F)80 mm (3.1 inches)90%low
December Weather7°C (45°F)106 mm (4.2 inches)89%low

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