nomadseason

October Weather in Salem, United States

Last updated: June 24, 2025

In October, the average temperature in Salem, United States hovers around 15°C (60°F), offering a mild climate for visitors. Temperatures can vary significantly, with a minimum of -3°C (26°F) and a potential high of 34°C (93°F). During this month, expect about 117 mm (4.6 in) of precipitation over approximately 10 days, contributing to an average humidity of 79%. Whether you're preparing for a chilly day or anticipating warm sunshine, it's essential to be ready for anything!

October Temperature in Salem

In October in Salem, the average temperature is 15°C (60°F). Maximums can reach 34°C (93°F) and minimums can drop as low as -3°C (26°F). Travelers should be prepared for a wide range of temperatures, from warm days to chilly nights.

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

The chart illustrates October temperature patterns in Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Salem, October typically has an average temperature of 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec323647556877797672594439
Data source: Temperature data for Salem generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Salem

In Salem in October, the total precipitation amount is 117 mm (4.6 in) recorded over a span of 10 days.

October Precipitation Trends in Salem

The chart displays monthly precipitation patterns in 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 Salem, October typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec839013812716011095100641178579
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Salem

In Salem in October, humidity is 79%. With an average temperature of 15°C (60°F), this humidity feels like a warm, enveloping blanket that can make traveling feel muggy and a bit stifling, requiring frequent breaks to stay refreshed and hydrated.

October Average Humidity in Salem

This chart illustrates the average monthly humidity levels in 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 Salem is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Salem

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

Maximum UV Index Levels in Salem for October

The chart shows the monthly maximum UV Index (UVI) for 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 Salem typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111099643
Data source: 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 Salem Compares to Other Months

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

This table compares monthly weather conditions in Salem, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)83 mm (3.3 inches)84%moderate
February Weather2°C (36°F)89 mm (3.5 inches)82%moderate
March Weather8°C (47°F)138 mm (5.4 inches)84%high
April Weather13°C (56°F)127 mm (5.0 inches)83%very high
May Weather20°C (68°F)160 mm (6.3 inches)80%extreme
June Weather25°C (77°F)110 mm (4.3 inches)83%extreme
July Weather26°C (80°F)95 mm (3.8 inches)82%very high
August Weather25°C (76°F)100 mm (3.9 inches)82%very high
September Weather22°C (73°F)64 mm (2.5 inches)79%very high
October Weather15°C (60°F)117 mm (4.6 inches)79%high
November Weather7°C (44°F)84 mm (3.3 inches)88%moderate
December Weather4°C (39°F)79 mm (3.1 inches)87%moderate

Compare Salem's Climate with Cities Worldwide