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August Weather in Renton, United Kingdom

Last updated: August 27, 2025

In Renton, United Kingdom, the average temperature in August hovers around 14°C (58°F). Expect minimums dipping to 6°C (43°F) and maximums reaching 25°C (77°F). With an average precipitation of 145 mm (5.7 in) spread over 19 days, the weather can be quite wet, contributing to an average humidity of 82%.

August Temperature in Renton

In August in Renton, the average temperature is 14°C (58°F). The maximum can reach up to 25°C (77°F), while the minimum can drop to as low as 6°C (43°F). Overall, it's a pleasantly mild time for traveling, making it ideal for outdoor activities and exploration.

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

The chart illustrates August 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, August typically has an average temperature of 14°C (58°F), with highs reaching up to 25°C (77°F) and lows dropping to around 6°C (43°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.

August Precipitation in Renton

In Renton in August, the precipitation amount is 145 mm (5.7 in) over a period of 19 days.

August Precipitation Trends in Renton

The chart displays monthly precipitation patterns in Renton, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Renton, August typically receives around 145 mm (5.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec991661275075118103145108166134139
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Renton

In Renton in August, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

August Average Humidity in Renton

This chart illustrates the average monthly humidity levels in Renton, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Renton is approximately 82%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Renton

In Renton in August, 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 August

The chart shows the monthly maximum UV Index (UVI) for Renton in August, 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 August, the maximum UV index in Renton typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Renton August 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 August 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 August’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 August’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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