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April Weather in Chambersburg, United States

Last updated: June 24, 2025

In Chambersburg, United States, the average temperature in April hovers around 11°C (53°F). However, be prepared for a temperature range that can drop to a brisk -4°C (26°F) at its lowest and soar to a warm 30°C (86°F) at its highest. Expect 106 mm (4.2 in) of precipitation spread over approximately 13 days, contributing to an average humidity of 84%. Pack accordingly!

April Temperature in Chambersburg

In April in Chambersburg, the average temperature is 11°C (53°F), with maximums reaching 30°C (86°F) and minimums dropping as low as -4°C (26°F). This varied climate means travelers should be prepared for both warm and chilly weather during their visit.

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

The chart illustrates April temperature patterns in Chambersburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chambersburg, April typically has an average temperature of 11°C (53°F), with highs reaching up to 30°C (86°F) and lows dropping to around -4°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec323642526371777468584336
Data source: Temperature data for Chambersburg 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 Chambersburg

In Chambersburg in April, the precipitation amount is 106 mm (4.2 in) spread over a duration of 13 days.

April Precipitation Trends in Chambersburg

The chart displays monthly precipitation patterns in Chambersburg, 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 Chambersburg, April typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec62999010611792128931251088293
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Chambersburg

In Chambersburg in April, humidity is 84%. With an average temperature of 11°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a bit uncomfortable and requiring extra layers to stay warm while traveling.

April Average Humidity in Chambersburg

This chart illustrates the average monthly humidity levels in Chambersburg, 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 Chambersburg is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Chambersburg

In Chambersburg in April, 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 Chambersburg.

Maximum UV Index Levels in Chambersburg for April

The chart shows the monthly maximum UV Index (UVI) for Chambersburg 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 Chambersburg typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098642
Data source: Chambersburg 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 Chambersburg Compares to Other Months

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

This table compares monthly weather conditions in Chambersburg, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)61 mm (2.4 inches)86%moderate
February Weather2°C (36°F)99 mm (3.9 inches)86%moderate
March Weather5°C (42°F)90 mm (3.5 inches)86%high
April Weather11°C (53°F)106 mm (4.2 inches)84%very high
May Weather17°C (63°F)117 mm (4.6 inches)78%very high
June Weather22°C (71°F)92 mm (3.6 inches)79%very high
July Weather25°C (77°F)128 mm (5.0 inches)70%very high
August Weather24°C (75°F)93 mm (3.7 inches)59%very high
September Weather20°C (68°F)124 mm (4.9 inches)68%very high
October Weather14°C (58°F)108 mm (4.3 inches)80%high
November Weather6°C (43°F)82 mm (3.2 inches)86%moderate
December Weather2°C (37°F)93 mm (3.7 inches)85%low

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