October Weather in Pendleton, United States

Last updated: June 24, 2025

In Pendleton, United States, the average temperature in October hovers around 11°C (52°F), creating a mild atmosphere. Temperatures can dip to a chilly -9°C (16°F) or soar up to a balmy 29°C (85°F). Expect about 45 mm (1.8 in) of precipitation spread over 8 days, contributing to an average humidity level of 75%.

October Temperature in Pendleton

In October in Pendleton, the average temperature is 11°C (52°F). Maximums can reach 29°C (85°F), and minimums can drop as low as -9°C (16°F). Be prepared for a wide range of temperatures, making it essential to pack layers for your travels.

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

The chart illustrates October 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, October typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (85°F) and lows dropping to around -9°C (16°F).

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

October Precipitation in Pendleton

In Pendleton in October, the precipitation amount is 45 mm (1.8 in) over the course of 8 days.

October Precipitation Trends in Pendleton

The chart displays monthly precipitation patterns in Pendleton, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Pendleton, October typically receives around 45 mm (1.8 inches) of precipitation spread over approximately 8 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Pendleton

In Pendleton in October, humidity is 75%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a little less inviting and prompting the need for warm layers.

October Average Humidity in Pendleton

This chart illustrates the average monthly humidity levels in Pendleton, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Pendleton is approximately 75%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Pendleton

In Pendleton in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Pendleton.

Maximum UV Index Levels in Pendleton for October

The chart shows the monthly maximum UV Index (UVI) for Pendleton in October, 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 October, the maximum UV index in Pendleton typically reaches 5, which falls under the moderate exposure category.

Data source: Pendleton October 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 October 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 October’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 October’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