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August Weather in Gettysburg, United States

Last updated: June 24, 2025

In Gettysburg, United States, the average temperature in August is a pleasant 22°C (72°F). However, don't be surprised if temperatures swing between a cool 9°C (49°F) and a sweltering 37°C (99°F). During this period, expect moderate rainfall, with an average precipitation amount of 66 mm (2.6 in) over the course of 7 days. With an average humidity of 82%, be prepared for a warm and humid atmosphere.

August Temperature in Gettysburg

In August in Gettysburg, the average temperature is 22°C (72°F), with maximums reaching up to 37°C (99°F) and minimums dropping as low as 9°C (49°F). This makes Gettysburg an ideal destination for travelers seeking warm weather and a comfortable climate to explore.

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 22°C (72°F), with highs reaching up to 37°C (99°F) and lows dropping to around 9°C (49°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.

August Precipitation in Gettysburg

In Gettysburg in August, the precipitation amount is 66 mm (2.6 in) over a period of 7 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 66 mm (2.6 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec132031466367926665601226
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 82%. With an average temperature of 22°C (72°F), this humidity feels like walking through a warm, damp blanket, making travel feel more exhausting and sticky as sweat clings to your skin, and every step seems to draw you into a slow, sultry embrace.

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 82%, 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 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.
JanFebMarAprMayJunJulAugSepOctNovDec25579101098532
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-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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