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October Weather in Chambersburg, United States

Last updated: June 24, 2025

In October, the average temperature in Chambersburg, United States hovers around 14°C (58°F). However, be prepared for a range—temperatures can drop to a chilly 0°C (32°F) or soar up to a warm 33°C (91°F). During this month, expect about 108 mm (4.3 in) of precipitation spread over approximately 10 days, coupled with an average humidity level of 80%. Stay comfortable and plan accordingly!

October Temperature in Chambersburg

In October in Chambersburg, the average temperature is 14°C (58°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 0°C (32°F). This variation makes it essential for travelers to pack accordingly, ensuring comfort for both warm and cool weather activities.

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

The chart illustrates October temperature patterns in Chambersburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chambersburg, 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 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec323642526371777468584336
Data source: Temperature data for Chambersburg 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 Chambersburg

In Chambersburg in October, the total precipitation amount is 108 mm (4.3 in) spread over a duration of 10 days.

October Precipitation Trends in Chambersburg

The chart displays monthly precipitation patterns in Chambersburg, 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 Chambersburg, October typically receives around 108 mm (4.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec62999010611792128931251088293
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Chambersburg

In Chambersburg in October humidity is 80%. With an average temperature of 14°C (58°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities sweltering and uncomfortable for travel.

October Average Humidity in Chambersburg

This chart illustrates the average monthly humidity levels in Chambersburg, 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 Chambersburg is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Chambersburg

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

Maximum UV Index Levels in Chambersburg for October

The chart shows the monthly maximum UV Index (UVI) for Chambersburg 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 Chambersburg typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098642
Data source: Chambersburg 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 Chambersburg Compares to Other Months

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

This table compares monthly weather conditions in Chambersburg, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)61 mm (2.4 inches)86%moderate
February Weather2°C (36°F)99 mm (3.9 inches)86%moderate
March Weather5°C (42°F)90 mm (3.5 inches)86%high
April Weather11°C (53°F)106 mm (4.2 inches)84%very high
May Weather17°C (63°F)117 mm (4.6 inches)78%very high
June Weather22°C (71°F)92 mm (3.6 inches)79%very high
July Weather25°C (77°F)128 mm (5.0 inches)70%very high
August Weather24°C (75°F)93 mm (3.7 inches)59%very high
September Weather20°C (68°F)124 mm (4.9 inches)68%very high
October Weather14°C (58°F)108 mm (4.3 inches)80%high
November Weather6°C (43°F)82 mm (3.2 inches)86%moderate
December Weather2°C (37°F)93 mm (3.7 inches)85%low

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