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March Weather in Renton, United Kingdom

Last updated: August 27, 2025

In March, the average temperature in Renton, United Kingdom hovers around 6°C (42°F). Expect chilly nights, with minimums plummeting to -6°C (22°F), while daytime highs can reach a comfortable 16°C (62°F). Precipitation is moderately high, with an average of 127 mm (5.0 in) spread over 18 days, contributing to a rather damp atmosphere. This is reflected in the significant average humidity level of 86%, making it essential to dress warmly and stay dry!

March Temperature in Renton

In March in Renton, the average temperature is 6°C (42°F). Maximums can reach 16°C (62°F), and minimums can drop as low as -6°C (22°F). Travelers should prepare for chilly conditions and pack warm clothing to enjoy their visit to Renton this time of year.

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

The chart illustrates March 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, March typically has an average temperature of 6°C (42°F), with highs reaching up to 16°C (62°F) and lows dropping to around -6°C (22°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.

March Precipitation in Renton

In Renton in March, the precipitation amount is 127 mm (5.0 in) spread over 18 days.

March Precipitation Trends in Renton

The chart displays monthly precipitation patterns in Renton, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In Renton, March typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec991661275075118103145108166134139
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Renton

In Renton in March, humidity is 86%. With an average temperature of 6°C (42°F), this humidity feels like a chilly, damp embrace that can make outdoor activities feel uncomfortable and chilly, prompting travelers to seek shelter or warm clothing to stay cozy while exploring.

March Average Humidity in Renton

This chart illustrates the average monthly humidity levels in Renton, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in Renton is approximately 86%, 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 March generated using information from the Copernicus Climate Change Service.

March UV Index in Renton

In Renton in March, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Renton, you can check the information here.

Maximum UV Index Levels in Renton for March

The chart shows the monthly maximum UV Index (UVI) for Renton in March, 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 March, the maximum UV index in Renton typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Renton March 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 March 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 March’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 March’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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