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May Weather in Rayleigh, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Rayleigh, United Kingdom is a pleasant 13°C (55°F). Expect a minimum chill of 2°C (35°F) and a maximum warmth of 25°C (78°F). Be prepared for some rain, as the region receives about 64 mm (2.5 in) of precipitation over 11 days. With an average humidity of 82%, this month brings a mix of cool breezes and cozy, damp days.

May Temperature in Rayleigh

In May in Rayleigh, the average temperature is 13°C (55°F). Maximums can reach 25°C (78°F), while minimums can dip as low as 2°C (35°F). This wide temperature range makes it important to plan your wardrobe wisely for a comfortable travel experience.

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

The chart illustrates May temperature patterns in Rayleigh, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rayleigh, May typically has an average temperature of 13°C (55°F), with highs reaching up to 25°C (78°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec414346495562656460544744
Data source: Temperature data for Rayleigh 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 Rayleigh

In Rayleigh in May, the total precipitation amount is 64 mm (2.5 in) spread over 11 days.

May Precipitation Trends in Rayleigh

The chart displays monthly precipitation patterns in Rayleigh, 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 Rayleigh, May typically receives around 64 mm (2.5 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec515250306470597246784785
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Rayleigh

In Rayleigh in May, humidity is 82%. With an average temperature of 13°C (55°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

May Average Humidity in Rayleigh

This chart illustrates the average monthly humidity levels in Rayleigh, 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 Rayleigh is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Rayleigh

In Rayleigh 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 Rayleigh.

Maximum UV Index Levels in Rayleigh for May

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

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

This table compares monthly weather conditions in Rayleigh, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)51 mm (2.0 inches)91%low
February Weather6°C (44°F)52 mm (2.0 inches)89%low
March Weather8°C (46°F)50 mm (2.0 inches)86%moderate
April Weather10°C (49°F)30 mm (1.2 inches)85%moderate
May Weather13°C (55°F)64 mm (2.5 inches)82%high
June Weather17°C (62°F)70 mm (2.8 inches)81%very high
July Weather18°C (66°F)59 mm (2.3 inches)76%very high
August Weather18°C (65°F)72 mm (2.8 inches)73%high
September Weather15°C (60°F)46 mm (1.8 inches)80%moderate
October Weather12°C (54°F)78 mm (3.1 inches)89%moderate
November Weather8°C (47°F)46 mm (1.8 inches)92%low
December Weather7°C (44°F)85 mm (3.3 inches)92%low

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