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August Weather in Gettysburg, United States

Last updated: June 24, 2025

In August, the average temperature in Gettysburg, United States reaches a pleasant 23°C (73°F). However, temperatures can vary, dipping as low as 11°C (52°F) and soaring up to 32°C (91°F). Expect about 99 mm (3.9 in) of precipitation spread over 13 days, and feel the average humidity at 73%.

August Temperature in Gettysburg

In August in Gettysburg, the average temperature is 23°C (73°F), with maximum temperatures reaching up to 32°C (91°F) and minimums dropping as low as 11°C (52°F). This variety in temperatures makes Gettysburg an ideal destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates August 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, August typically has an average temperature of 23°C (73°F), with highs reaching up to 32°C (91°F) and lows dropping to around 11°C (52°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.

August Precipitation in Gettysburg

In Gettysburg in August, the precipitation amount is 99 mm (3.9 in) over the course of 13 days.

August Precipitation Trends in Gettysburg

The chart displays monthly precipitation patterns in Gettysburg, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Gettysburg, August typically receives around 99 mm (3.9 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec72971121001381271079987989484
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Gettysburg

In Gettysburg in August humidity is 73%. With an average temperature of 23°C (73°F), this humidity feels like a thick blanket wrapping around you, making travel feel stifling and sticky, as every step seems to linger in the moisture-laden air.

August Average Humidity in Gettysburg

This chart illustrates the average monthly humidity levels in Gettysburg, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Gettysburg is approximately 73%, 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 August generated using information from the Copernicus Climate Change Service.

August UV Index in Gettysburg

In Gettysburg in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Gettysburg.

Maximum UV Index Levels in Gettysburg for August

The chart shows the monthly maximum UV Index (UVI) for Gettysburg in August, 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 August, the maximum UV index in Gettysburg typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Gettysburg August 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 August 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 August’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 August’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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