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October Weather in Sewickley, United States

Last updated: June 24, 2025

In Sewickley, United States, the average temperature in October hovers around 14°C (57°F). During this time, temperatures can fluctuate significantly, with a minimum of -1°C (31°F) and a maximum reaching 32°C (89°F). Expect about 123 mm (4.9 in) of precipitation over 14 days, accompanied by an average humidity of 82%. Be prepared for the variety of weather conditions that this month brings!

October Temperature in Sewickley

In October in Sewickley, the average temperature is a mild 14°C (57°F). Maximum temperatures can reach a warm 32°C (89°F), while minimums can drop to a chilly -1°C (31°F). Travelers should be prepared for a broad range of temperatures, ensuring they pack accordingly for both warm days and cool nights.

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

The chart illustrates October temperature patterns in Sewickley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sewickley, 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 (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec313541516270757368574236
Data source: Temperature data for Sewickley 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 Sewickley

In Sewickley in October, the total precipitation amount is 123 mm (4.9 in), which fell over the course of 14 days.

October Precipitation Trends in Sewickley

The chart displays monthly precipitation patterns in Sewickley, 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 Sewickley, October typically receives around 123 mm (4.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec92118104130136137137821221249299
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Sewickley

In Sewickley 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 Sewickley

This chart illustrates the average monthly humidity levels in Sewickley, 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 Sewickley 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 Sewickley

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

Maximum UV Index Levels in Sewickley for October

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

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

This table compares monthly weather conditions in Sewickley, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)92 mm (3.6 inches)88%moderate
February Weather1°C (35°F)118 mm (4.6 inches)88%moderate
March Weather5°C (42°F)104 mm (4.1 inches)87%high
April Weather11°C (52°F)130 mm (5.1 inches)87%very high
May Weather17°C (63°F)136 mm (5.4 inches)81%very high
June Weather21°C (70°F)137 mm (5.4 inches)83%very high
July Weather24°C (75°F)137 mm (5.4 inches)82%very high
August Weather23°C (73°F)82 mm (3.2 inches)76%very high
September Weather20°C (68°F)122 mm (4.8 inches)77%very high
October Weather14°C (57°F)123 mm (4.9 inches)82%high
November Weather6°C (42°F)92 mm (3.6 inches)89%moderate
December Weather2°C (36°F)99 mm (3.9 inches)86%low

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