August Weather in Yamhill, United States

Last updated: June 24, 2025

In Yamhill, United States, the average temperature in August hovers around 20°C (69°F), with a minimum of 8°C (47°F) and a sweltering maximum of 40°C (104°F). Expect a modest precipitation of 6 mm (0.3 in) over 1 day, and enjoy the comfortable average humidity level of 74%.

August Temperature in Yamhill

In August in Yamhill, the average temperature is 20°C (69°F). The maximum can reach 40°C (104°F), and the minimum can be as low as 8°C (47°F). Make sure to pack both light clothing for the warmer days and layers for the cooler evenings.

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

The chart illustrates August temperature patterns in Yamhill, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yamhill, August typically has an average temperature of 20°C (69°F), with highs reaching up to 40°C (104°F) and lows dropping to around 8°C (47°F).

Data source: Temperature data for Yamhill generated using information from the Copernicus Climate Change Service.

August Precipitation in Yamhill

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

August Precipitation Trends in Yamhill

The chart displays monthly precipitation patterns in Yamhill, 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 Yamhill, August typically receives around 6 mm (0.3 inches) of precipitation spread over approximately 1 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Yamhill

In Yamhill in August, humidity is 74%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky and requiring frequent breaks for hydration, but with the right pacing, you can still enjoy the sights and sounds of your surroundings.

August Average Humidity in Yamhill

This chart illustrates the average monthly humidity levels in Yamhill, 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 Yamhill is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Yamhill

In Yamhill 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 Yamhill.

Maximum UV Index Levels in Yamhill for August

The chart shows the monthly maximum UV Index (UVI) for Yamhill 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 Yamhill typically reaches 9, which falls under the very high exposure category.

Data source: Yamhill 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 Yamhill Compares to Other Months

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

This table compares monthly weather conditions in Yamhill, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (41°F)	191 mm (7.5 inches)	85%	low
February Weather	4°C (40°F)	175 mm (6.9 inches)	84%	moderate
March Weather	7°C (45°F)	144 mm (5.7 inches)	85%	moderate
April Weather	10°C (50°F)	123 mm (4.8 inches)	83%	high
May Weather	13°C (56°F)	58 mm (2.3 inches)	83%	very high
June Weather	17°C (62°F)	46 mm (1.8 inches)	83%	very high
July Weather	19°C (67°F)	5 mm (0.2 inches)	82%	very high
August Weather	20°C (69°F)	6 mm (0.3 inches)	74%	very high
September Weather	17°C (63°F)	67 mm (2.7 inches)	71%	high
October Weather	11°C (52°F)	104 mm (4.1 inches)	81%	moderate
November Weather	7°C (46°F)	163 mm (6.4 inches)	87%	moderate
December Weather	5°C (40°F)	209 mm (8.2 inches)	87%	low