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August Weather in Wilsonville, United States

Last updated: June 24, 2025

In Wilsonville, United States, the average temperature in August hovers around 22°C (71°F), with a range that can dip to a chilly 8°C (47°F) or soar up to a sizzling 41°C (106°F). Expect light precipitation of about 6 mm (0.3 in) over just 1 day, and feel the warmth with an average humidity of 74%.

August Temperature in Wilsonville

In August in Wilsonville, the average temperature is 22°C (71°F). The maximum can reach 41°C (106°F), and the minimum can be as low as 8°C (47°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cooler conditions.

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

The chart illustrates August temperature patterns in Wilsonville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wilsonville, August typically has an average temperature of 22°C (71°F), with highs reaching up to 41°C (106°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec424246525865707164534742
Data source: Temperature data for Wilsonville 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 Wilsonville

In Wilsonville in August, the precipitation amount is 6 mm (0.3 in) over the course of 1 day.

August Precipitation Trends in Wilsonville

The chart displays monthly precipitation patterns in Wilsonville, 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 Wilsonville, August typically receives around 6 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec15617813111554434659101146184
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Wilsonville

In Wilsonville in August, humidity is 74%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making travel slightly sticky but still enjoyable, as long as you stay hydrated and take breaks in the shade.

August Average Humidity in Wilsonville

This chart illustrates the average monthly humidity levels in Wilsonville, 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 Wilsonville is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%85%83%83%84%82%74%71%81%87%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Wilsonville

In Wilsonville in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Wilsonville.

Maximum UV Index Levels in Wilsonville for August

The chart shows the monthly maximum UV Index (UVI) for Wilsonville 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 Wilsonville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23579101097532
Data source: Wilsonville 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 Wilsonville Compares to Other Months

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

This table compares monthly weather conditions in Wilsonville, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)156 mm (6.1 inches)85%low
February Weather5°C (42°F)178 mm (7.0 inches)84%moderate
March Weather8°C (47°F)131 mm (5.2 inches)85%moderate
April Weather11°C (52°F)115 mm (4.5 inches)83%high
May Weather15°C (58°F)54 mm (2.1 inches)83%very high
June Weather18°C (65°F)43 mm (1.7 inches)83%very high
July Weather21°C (71°F)4 mm (0.2 inches)82%very high
August Weather22°C (71°F)6 mm (0.3 inches)74%very high
September Weather18°C (65°F)59 mm (2.3 inches)71%high
October Weather12°C (54°F)101 mm (4.0 inches)81%moderate
November Weather8°C (47°F)146 mm (5.7 inches)87%moderate
December Weather5°C (42°F)184 mm (7.3 inches)87%low

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