August Weather in Pendleton, United States

Last updated: June 24, 2025

In August, the average temperature in Pendleton, United States is a pleasant 23°C (74°F). However, it can vary, with minimums dipping to 11°C (52°F) and maximums soaring up to 34°C (93°F). Expect a total precipitation of about 87 mm (3.4 in) spread over 11 days, and an average humidity of 70%, creating a comfortably warm atmosphere.

August Temperature in Pendleton

In August in Pendleton, the average temperature is 23°C (74°F). Maximums can reach 34°C (93°F) and minimums can be as low as 11°C (52°F). This pleasant climate makes Pendleton an ideal destination for travelers seeking a comfortable getaway.

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 23°C (74°F), with highs reaching up to 34°C (93°F) and lows dropping to around 11°C (52°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 87 mm (3.4 in) over the course of 11 days.

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 87 mm (3.4 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Pendleton

In Pendleton in August humidity is 70%. With an average temperature of 23°C (74°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat challenging but still bearable 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 70%, 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	-1°C (30°F)	81 mm (3.2 inches)	87%	moderate
February Weather	1°C (33°F)	95 mm (3.7 inches)	85%	moderate
March Weather	6°C (42°F)	124 mm (4.9 inches)	86%	high
April Weather	11°C (52°F)	96 mm (3.8 inches)	84%	very high
May Weather	18°C (64°F)	136 mm (5.4 inches)	79%	very high
June Weather	23°C (73°F)	103 mm (4.1 inches)	82%	extreme
July Weather	25°C (76°F)	112 mm (4.4 inches)	79%	very high
August Weather	23°C (74°F)	87 mm (3.4 inches)	70%	very high
September Weather	21°C (70°F)	79 mm (3.1 inches)	69%	very high
October Weather	14°C (58°F)	102 mm (4.0 inches)	76%	high
November Weather	5°C (42°F)	90 mm (3.5 inches)	88%	moderate
December Weather	2°C (36°F)	77 mm (3.0 inches)	87%	moderate