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October Weather in Gettysburg, United States

Last updated: June 24, 2025

In Gettysburg, United States, the average temperature in October is a mild 14°C (57°F). However, temperatures can range from a brisk -2°C (29°F) to a warm 33°C (92°F). Expect approximately 98 mm (3.9 in) of precipitation over 12 days, with an average humidity level of 78%—perfect for those who enjoy a refreshing, moist atmosphere!

October Temperature in Gettysburg

In October in Gettysburg, the average temperature is 14°C (57°F). Maximums can reach 33°C (92°F), while minimums can drop as low as -2°C (29°F). This diverse temperature range makes Gettysburg a unique destination for travelers seeking both warm and chilly experiences during their stay.

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 14°C (57°F), with highs reaching up to 33°C (92°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342516372757369574136
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 98 mm (3.9 in) over the course of 12 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 98 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec72971121001381271079987989484
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 78%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket wrapping around you, making outdoor exploration a bit uncomfortable but still enjoyable if you stay hydrated and plan for breaks in the shade.

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 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%85%81%82%81%73%73%78%89%87%
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 is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Gettysburg, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
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-1°C (30°F)72 mm (2.8 inches)88%moderate
February Weather1°C (33°F)97 mm (3.8 inches)88%moderate
March Weather6°C (42°F)112 mm (4.4 inches)87%high
April Weather11°C (52°F)100 mm (3.9 inches)85%very high
May Weather17°C (64°F)137 mm (5.4 inches)81%very high
June Weather22°C (72°F)127 mm (5.0 inches)82%very high
July Weather24°C (76°F)107 mm (4.2 inches)81%very high
August Weather23°C (73°F)99 mm (3.9 inches)73%very high
September Weather20°C (69°F)87 mm (3.4 inches)73%very high
October Weather14°C (57°F)98 mm (3.9 inches)78%high
November Weather5°C (42°F)94 mm (3.7 inches)89%moderate
December Weather2°C (36°F)84 mm (3.3 inches)87%moderate

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