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May Weather in Renton, United Kingdom

Last updated: August 27, 2025

In May, the average temperature in Renton, United Kingdom hovers around 11°C (51°F). Expect a chilly minimum of -1°C (30°F), while daytime highs can reach up to 25°C (77°F). During this month, anticipate 75 mm (3.0 in) of precipitation spread across about 14 days, contributing to a high average humidity of 80%.

May Temperature in Renton

In May in Renton, the average temperature is 11°C (51°F), with maximums reaching 25°C (77°F) and minimums dropping as low as -1°C (30°F). This weather makes it essential to pack layers for your travels to Renton.

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

The chart illustrates May temperature patterns in Renton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Renton, May typically has an average temperature of 11°C (51°F), with highs reaching up to 25°C (77°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec404042455156595854494441
Data source: Temperature data for Renton 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 Renton

In Renton in May, the precipitation amount is 75 mm (3.0 in) spread over 14 days, indicating a relatively wet period for the region.

May Precipitation Trends in Renton

The chart displays monthly precipitation patterns in Renton, 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 Renton, May typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec991661275075118103145108166134139
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Renton

In Renton in May humidity is 80%. With an average temperature of 11°C (51°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities feel heavier and less enjoyable for traveling.

May Average Humidity in Renton

This chart illustrates the average monthly humidity levels in Renton, 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 Renton is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Renton

In Renton in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Renton, you can refer to this Hourly UV Index in Renton.

Maximum UV Index Levels in Renton for May

The chart shows the monthly maximum UV Index (UVI) for Renton 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 Renton typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Renton 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 Renton Compares to Other Months

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

This table compares monthly weather conditions in Renton, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)99 mm (3.9 inches)90%low
February Weather5°C (41°F)166 mm (6.5 inches)88%low
March Weather6°C (42°F)127 mm (5.0 inches)86%moderate
April Weather7°C (46°F)50 mm (2.0 inches)85%moderate
May Weather11°C (51°F)75 mm (3.0 inches)80%high
June Weather14°C (57°F)118 mm (4.6 inches)83%very high
July Weather15°C (59°F)103 mm (4.1 inches)82%very high
August Weather14°C (58°F)145 mm (5.7 inches)82%high
September Weather12°C (55°F)108 mm (4.2 inches)88%moderate
October Weather10°C (50°F)166 mm (6.5 inches)90%moderate
November Weather7°C (44°F)134 mm (5.3 inches)92%low
December Weather5°C (41°F)139 mm (5.5 inches)89%low

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