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October Weather in West Salem, United States

Last updated: June 24, 2025

In West Salem, United States, the average temperature in October hovers around 14°C (57°F), with exciting fluctuations ranging from a chilly -1°C (30°F) to a warm 32°C (89°F). Expect about 100 mm (4.0 in) of precipitation spread over 14 days, while the average humidity lingers at a comfortable 82%.

October Temperature in West Salem

In October in West Salem, the average temperature is 14°C (57°F), with maximums reaching 32°C (89°F) and minimums dropping as low as -1°C (30°F). Travelers should be prepared for a wide range of temperatures, making it essential to pack accordingly for both warm and cool conditions.

October Weather in West Salem: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in West Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Salem, October typically has an average temperature of 14°C (57°F), with highs reaching up to 32°C (89°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec293240506270757267574135
Data source: Temperature data for West Salem 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 West Salem

In West Salem in October, the total precipitation amount reaches 100 mm (4.0 in) over the course of 14 days.

October Precipitation Trends in West Salem

The chart displays monthly precipitation patterns in West Salem, 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 West Salem, October typically receives around 100 mm (4.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec79939612611913012390891008989
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in West Salem

In West Salem in October, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.

October Average Humidity in West Salem

This chart illustrates the average monthly humidity levels in West Salem, 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 West Salem is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in West Salem

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

Maximum UV Index Levels in West Salem for October

The chart shows the monthly maximum UV Index (UVI) for West Salem 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 West Salem typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356810101098642
Data source: West Salem 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 West Salem Compares to Other Months

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

This table compares monthly weather conditions in West Salem, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)79 mm (3.1 inches)88%moderate
February Weather0°C (33°F)93 mm (3.7 inches)88%moderate
March Weather4°C (40°F)95 mm (3.8 inches)87%high
April Weather10°C (50°F)126 mm (5.0 inches)87%very high
May Weather17°C (62°F)119 mm (4.7 inches)81%very high
June Weather21°C (71°F)130 mm (5.1 inches)83%very high
July Weather24°C (75°F)123 mm (4.9 inches)82%very high
August Weather22°C (72°F)90 mm (3.6 inches)76%very high
September Weather20°C (68°F)89 mm (3.5 inches)77%very high
October Weather14°C (57°F)100 mm (4.0 inches)82%high
November Weather5°C (41°F)89 mm (3.5 inches)89%moderate
December Weather2°C (35°F)89 mm (3.5 inches)86%low

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