August Weather in Pendleton, United States

Last updated: June 24, 2025

In August, the average temperature in Pendleton, United States hovers around 24°C (75°F), creating a pleasant atmosphere for outdoor activities. However, temperatures can vary significantly, with minimums dipping to 7°C (44°F) and maximums soaring to 40°C (105°F). Expect light precipitation, averaging just 8 mm (0.3 in) over the course of 1 day, and enjoy a comfortable average humidity level of 60%.

August Temperature in Pendleton

In August in Pendleton, the average temperature is 24°C (75°F). Maximums can reach 40°C (105°F) and minimums can be as low as 7°C (44°F). Be prepared for a wide range of temperatures if you're traveling during this time.

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

The chart illustrates August temperature patterns in Pendleton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pendleton, August typically has an average temperature of 24°C (75°F), with highs reaching up to 40°C (105°F) and lows dropping to around 7°C (44°F).

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

August Precipitation in Pendleton

In Pendleton in August, the precipitation amount is 8 mm (0.3 in) over the course of 1 day.

August Precipitation Trends in Pendleton

The chart displays monthly precipitation patterns in Pendleton, 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 Pendleton, August typically receives around 8 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 Pendleton

In Pendleton in August, humidity is 60%. With an average temperature of 24°C (75°F), this humidity feels like a warm, tropical embrace, making it both pleasant and slightly sticky for traveling.

August Average Humidity in Pendleton

This chart illustrates the average monthly humidity levels in Pendleton, 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 Pendleton is approximately 60%, 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 Pendleton

In Pendleton 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 Pendleton.

Maximum UV Index Levels in Pendleton for August

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

Data source: Pendleton 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 Pendleton Compares to Other Months

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

This table compares monthly weather conditions in Pendleton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	2°C (36°F)	59 mm (2.3 inches)	86%	low
February Weather	2°C (36°F)	88 mm (3.5 inches)	86%	moderate
March Weather	6°C (44°F)	61 mm (2.4 inches)	85%	high
April Weather	10°C (51°F)	49 mm (1.9 inches)	83%	high
May Weather	15°C (60°F)	34 mm (1.3 inches)	77%	very high
June Weather	20°C (68°F)	16 mm (0.6 inches)	81%	very high
July Weather	25°C (77°F)	0 mm (0.0 inches)	76%	very high
August Weather	24°C (75°F)	8 mm (0.3 inches)	60%	very high
September Weather	18°C (65°F)	19 mm (0.7 inches)	58%	high
October Weather	11°C (52°F)	45 mm (1.8 inches)	75%	moderate
November Weather	6°C (42°F)	63 mm (2.5 inches)	85%	moderate
December Weather	2°C (36°F)	63 mm (2.5 inches)	87%	low