October Weather in Pendleton, United States

Last updated: June 24, 2025

In Pendleton, United States, the average temperature in October hovers around 14°C (58°F). However, be prepared for extremes, as temperatures can dip as low as -2°C (29°F) or soar up to 33°C (91°F). Expect 102 mm (4.0 in) of precipitation spread over approximately 11 days, contributing to an average humidity level of 76%.

October Temperature in Pendleton

In October in Pendleton, the average temperature is 14°C (58°F). The maximum can reach 33°C (91°F), and the minimum can be as low as -2°C (29°F). Be prepared for a wide range of temperatures when planning your travel to Pendleton during this time.

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 14°C (58°F), with highs reaching up to 33°C (91°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342526473767469574136
Data source: Temperature data for Pendleton 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.

October Precipitation in Pendleton

In Pendleton in October, the precipitation amount is 102 mm (4.0 in) over the course of 11 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 102 mm (4.0 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec82951249713610311287791029077
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Pendleton

In Pendleton in October humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

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 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Pendleton, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910111098643
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.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)81 mm (3.2 inches)87%moderate
February Weather1°C (33°F)95 mm (3.7 inches)85%moderate
March Weather6°C (42°F)124 mm (4.9 inches)86%high
April Weather11°C (52°F)96 mm (3.8 inches)84%very high
May Weather18°C (64°F)136 mm (5.4 inches)79%very high
June Weather23°C (73°F)103 mm (4.1 inches)82%extreme
July Weather25°C (76°F)112 mm (4.4 inches)79%very high
August Weather23°C (74°F)87 mm (3.4 inches)70%very high
September Weather21°C (70°F)79 mm (3.1 inches)69%very high
October Weather14°C (58°F)102 mm (4.0 inches)76%high
November Weather5°C (42°F)90 mm (3.5 inches)88%moderate
December Weather2°C (36°F)77 mm (3.0 inches)87%moderate

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