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April Weather in Mechanicsburg, United States

Last updated: June 24, 2025

In April, the average temperature in Mechanicsburg, United States hovers around 11°C (52°F). Expect a chill in the air, with minimum temperatures dipping to -6°C (21°F) and occasional warm spells reaching up to 29°C (84°F). Be prepared for some rain, as 111 mm (4.4 in) of precipitation falls over approximately 13 days, with an average humidity level of 85%.

April Temperature in Mechanicsburg

In April in Mechanicsburg, the average temperature is 11°C (52°F). Maximums can reach 29°C (84°F), and minimums can drop as low as -6°C (21°F). Be prepared for a wide range of temperatures during your travels, making layers essential for comfort.

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

The chart illustrates April temperature patterns in Mechanicsburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mechanicsburg, April typically has an average temperature of 11°C (52°F), with highs reaching up to 29°C (84°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec303342526371757368574136
Data source: Temperature data for Mechanicsburg 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 Mechanicsburg

In Mechanicsburg in April, the precipitation amount reaches 111 mm (4.4 in) over the course of 13 days.

April Precipitation Trends in Mechanicsburg

The chart displays monthly precipitation patterns in Mechanicsburg, 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 Mechanicsburg, April typically receives around 111 mm (4.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec751041081111311341219994959595
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Mechanicsburg

In Mechanicsburg in April, humidity is 85%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making travel quite uncomfortable as the air feels heavy and can sap your energy.

April Average Humidity in Mechanicsburg

This chart illustrates the average monthly humidity levels in Mechanicsburg, 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 Mechanicsburg is approximately 85%, 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 April generated using information from the Copernicus Climate Change Service.

April UV Index in Mechanicsburg

In Mechanicsburg 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 Mechanicsburg.

Maximum UV Index Levels in Mechanicsburg for April

The chart shows the monthly maximum UV Index (UVI) for Mechanicsburg 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 Mechanicsburg typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098643
Data source: Mechanicsburg 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 Mechanicsburg Compares to Other Months

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

This table compares monthly weather conditions in Mechanicsburg, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)75 mm (3.0 inches)88%moderate
February Weather1°C (34°F)104 mm (4.1 inches)88%moderate
March Weather6°C (42°F)108 mm (4.2 inches)87%high
April Weather11°C (52°F)111 mm (4.4 inches)85%very high
May Weather17°C (64°F)131 mm (5.1 inches)81%very high
June Weather22°C (72°F)134 mm (5.3 inches)82%very high
July Weather24°C (75°F)120 mm (4.7 inches)81%very high
August Weather23°C (73°F)99 mm (3.9 inches)73%very high
September Weather20°C (69°F)94 mm (3.7 inches)73%very high
October Weather14°C (58°F)95 mm (3.7 inches)78%high
November Weather5°C (42°F)95 mm (3.7 inches)89%moderate
December Weather2°C (36°F)95 mm (3.8 inches)87%moderate

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