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October Weather in Gettysburg, United States

Last updated: June 24, 2025

In October, the average temperature in Gettysburg, United States is a cool 7°C (46°F). Temperatures can fluctuate dramatically, with minimums plunging to -15°C (5°F) and maximums soaring up to 29°C (85°F). Expect around 60 mm (2.4 in) of precipitation over approximately 7 days, while the average humidity hovers at a comfortable 71%.

October Temperature in Gettysburg

In October in Gettysburg, the average temperature is 7°C (46°F), with maximums reaching 29°C (85°F) and minimums dropping as low as -15°C (5°F). Be prepared for a wide range of temperatures during your travels!

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

The chart illustrates October temperature patterns in Gettysburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gettysburg, October typically has an average temperature of 7°C (46°F), with highs reaching up to 29°C (85°F) and lows dropping to around -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec171532425771757264453424
Data source: Temperature data for Gettysburg 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 Gettysburg

In Gettysburg in October, the precipitation amount is 60 mm (2.4 in) over the course of 7 days.

October Precipitation Trends in Gettysburg

The chart displays monthly precipitation patterns in Gettysburg, 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 Gettysburg, October typically receives around 60 mm (2.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec132031466367926665601226
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Gettysburg

In Gettysburg in October humidity is 71%. With an average temperature of 7°C (46°F), this humidity feels like a chilly fog wrapping around you, making every step feel heavier and damp, while the cool air sends shivers down your spine—perfect for layering up, yet a bit challenging for prolonged outdoor adventures.

October Average Humidity in Gettysburg

This chart illustrates the average monthly humidity levels in Gettysburg, 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 Gettysburg is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%72%73%75%82%83%82%73%71%78%76%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Gettysburg

In Gettysburg in October, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Gettysburg.

Maximum UV Index Levels in Gettysburg for October

The chart shows the monthly maximum UV Index (UVI) for Gettysburg 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 Gettysburg typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25579101098532
Data source: Gettysburg 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 Gettysburg Compares to Other Months

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

This table compares monthly weather conditions in Gettysburg, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (17°F)13 mm (0.5 inches)78%low
February Weather-10°C (15°F)20 mm (0.8 inches)81%moderate
March Weather0°C (32°F)31 mm (1.2 inches)71%moderate
April Weather6°C (42°F)46 mm (1.8 inches)73%high
May Weather14°C (57°F)63 mm (2.5 inches)75%very high
June Weather22°C (71°F)67 mm (2.6 inches)82%very high
July Weather24°C (76°F)92 mm (3.6 inches)83%very high
August Weather22°C (72°F)66 mm (2.6 inches)82%very high
September Weather18°C (64°F)65 mm (2.6 inches)73%very high
October Weather7°C (46°F)60 mm (2.4 inches)71%moderate
November Weather1°C (34°F)12 mm (0.5 inches)78%moderate
December Weather-4°C (24°F)26 mm (1.0 inches)76%low

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