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April Weather in Gettysburg, United States

Last updated: June 24, 2025

In April, the average temperature in Gettysburg, United States hovers around 6°C (42°F). Expect a temperature range that can dip as low as -14°C (7°F) and rise to a warm 28°C (82°F). With an average humidity of 73%, you're likely to feel the moisture in the air. Be prepared for some wet days too, as 46 mm (1.8 in) of precipitation is expected over 8 days.

April Temperature in Gettysburg

In April in Gettysburg, the average temperature is 6°C (42°F), with maximums reaching up to 28°C (82°F) and minimums dropping as low as -14°C (7°F). Be prepared for a wide range of temperatures during your travels, making it essential to pack appropriate clothing for both warm and chilly conditions.

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

The chart illustrates April 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, April typically has an average temperature of 6°C (42°F), with highs reaching up to 28°C (82°F) and lows dropping to around -14°C (7°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.

April Precipitation in Gettysburg

In Gettysburg in April, the precipitation amount is 46 mm (1.8 in) over the course of 8 days.

April Precipitation Trends in Gettysburg

The chart displays monthly precipitation patterns in Gettysburg, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Gettysburg, April typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec132031466367926665601226
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Gettysburg

In Gettysburg in April, humidity is 73%. With an average temperature of 6°C (42°F), this humidity feels like a chilly, damp blanket wrapping around you, making travel slightly uncomfortable and often calling for extra layers to stay warm and dry while exploring the area.

April Average Humidity in Gettysburg

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

April UV Index in Gettysburg

In Gettysburg in April, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Gettysburg.

Maximum UV Index Levels in Gettysburg for April

The chart shows the monthly maximum UV Index (UVI) for Gettysburg in April, 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 April, the maximum UV index in Gettysburg typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec25579101098532
Data source: Gettysburg April 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 April 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 April’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 April’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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