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October Weather in Oregon, United States

Last updated: June 24, 2025

In October, the average temperature in Oregon, United States rests at a comfortable 13°C (56°F). However, temperatures can vary dramatically, with minimums dipping to -1°C (30°F) and maximums soaring up to 31°C (88°F). Visitors should be prepared for the possibility of rain, as the region experiences approximately 94 mm (3.7 in) of precipitation over 12 days. With an average humidity level of 82%, the air can feel quite moist, enhancing the local atmosphere.

October Temperature in Oregon

In October in Oregon, the average temperature is 13°C (56°F). Maximum temperatures can reach 31°C (88°F), while minimums can drop as low as -1°C (30°F). Be prepared for a wide range of temperatures when traveling to Oregon in October.

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

The chart illustrates October temperature patterns in Oregon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oregon, October typically has an average temperature of 13°C (56°F), with highs reaching up to 31°C (88°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec283039486171767468564134
Data source: Temperature data for Oregon 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 Oregon

In Oregon in October, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

October Precipitation Trends in Oregon

The chart displays monthly precipitation patterns in Oregon, 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 Oregon, October typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec676979891331011058060948357
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Oregon

In Oregon in October, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

October Average Humidity in Oregon

This chart illustrates the average monthly humidity levels in Oregon, 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 Oregon is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%87%88%81%82%81%78%78%82%89%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Oregon

In Oregon 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 Oregon, you can refer to this Hourly UV Index in Oregon.

Maximum UV Index Levels in Oregon for October

The chart shows the monthly maximum UV Index (UVI) for Oregon 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 Oregon typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Oregon 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 Oregon Compares to Other Months

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

This table compares monthly weather conditions in Oregon, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)67 mm (2.6 inches)88%moderate
February Weather-1°C (30°F)69 mm (2.7 inches)87%moderate
March Weather4°C (39°F)79 mm (3.1 inches)87%high
April Weather9°C (49°F)89 mm (3.5 inches)87%very high
May Weather16°C (61°F)133 mm (5.2 inches)81%very high
June Weather22°C (71°F)101 mm (4.0 inches)82%very high
July Weather24°C (76°F)105 mm (4.1 inches)81%very high
August Weather23°C (74°F)80 mm (3.1 inches)78%very high
September Weather20°C (68°F)60 mm (2.4 inches)78%very high
October Weather13°C (56°F)94 mm (3.7 inches)82%high
November Weather5°C (41°F)83 mm (3.3 inches)89%moderate
December Weather1°C (34°F)57 mm (2.2 inches)86%low

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