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April Weather in Jefferson Hills, United States

Last updated: June 24, 2025

In April, the average temperature in Jefferson Hills, United States hovers around 11°C (52°F), with temperatures ranging from a chilly -5°C (24°F) to a warm 29°C (84°F). Expect about 130 mm (5.1 in) of precipitation over the course of 15 days, and prepare for a somewhat damp ambiance, as the average humidity levels reach 87%.

April Temperature in Jefferson Hills

In April in Jefferson Hills, the average temperature is 11°C (52°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -5°C (24°F). This range of temperatures means travelers should be prepared for both warm days and chilly nights during their visit.

April Weather in Jefferson Hills: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Jefferson Hills, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jefferson Hills, 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 -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec323642526370757368574337
Data source: Temperature data for Jefferson Hills 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 Jefferson Hills

In Jefferson Hills in April, the total precipitation amount is 130 mm (5.1 in) over the course of 15 days.

April Precipitation Trends in Jefferson Hills

The chart displays monthly precipitation patterns in Jefferson Hills, 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 Jefferson Hills, April typically receives around 130 mm (5.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec901241141301501661569712812590109
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Jefferson Hills

In Jefferson Hills in April, humidity is 87%. With an average temperature of 11°C (52°F), this humidity feels like a damp chill that can make your clothes cling uncomfortably, leaving you feeling slightly weighed down while exploring the area.

April Average Humidity in Jefferson Hills

This chart illustrates the average monthly humidity levels in Jefferson Hills, 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 Jefferson Hills is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Jefferson Hills

In Jefferson Hills 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 Jefferson Hills.

Maximum UV Index Levels in Jefferson Hills for April

The chart shows the monthly maximum UV Index (UVI) for Jefferson Hills 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 Jefferson Hills typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Jefferson Hills 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 Jefferson Hills Compares to Other Months

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

This table compares monthly weather conditions in Jefferson Hills, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)90 mm (3.5 inches)88%moderate
February Weather2°C (36°F)124 mm (4.9 inches)88%moderate
March Weather6°C (42°F)114 mm (4.5 inches)87%high
April Weather11°C (52°F)130 mm (5.1 inches)87%very high
May Weather17°C (63°F)150 mm (5.9 inches)81%very high
June Weather21°C (70°F)166 mm (6.5 inches)83%very high
July Weather24°C (75°F)156 mm (6.1 inches)82%very high
August Weather23°C (73°F)97 mm (3.8 inches)76%very high
September Weather20°C (68°F)128 mm (5.1 inches)77%very high
October Weather14°C (58°F)125 mm (4.9 inches)82%high
November Weather6°C (43°F)90 mm (3.5 inches)89%moderate
December Weather3°C (37°F)109 mm (4.3 inches)86%low

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