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April Weather in Hornell, United States

Last updated: June 24, 2025

In April, the average temperature in Hornell, United States hovers around 7°C (45°F), with minimums dipping to -6°C (21°F) and occasional maximums reaching up to 27°C (80°F). During this period, you can expect precipitation of about 109 mm (4.3 in) over 15 days, resulting in an average humidity level of 88%. Stay prepared for the varied weather!

April Temperature in Hornell

In April in Hornell, the average temperature is 7°C (45°F), with maximums reaching 27°C (80°F) and minimums dropping as low as -6°C (21°F). Be sure to pack layers to accommodate the wide temperature range during your travels.

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

The chart illustrates April temperature patterns in Hornell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hornell, April typically has an average temperature of 7°C (45°F), with highs reaching up to 27°C (80°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec242734445765706862513730
Data source: Temperature data for Hornell 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 Hornell

In Hornell in April, the precipitation amount is 109 mm (4.3 in) spread over 15 days.

April Precipitation Trends in Hornell

The chart displays monthly precipitation patterns in Hornell, 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 Hornell, April typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec7487771091179512882801278185
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hornell

In Hornell in April humidity is 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.

April Average Humidity in Hornell

This chart illustrates the average monthly humidity levels in Hornell, 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 Hornell is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hornell

In Hornell in April, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Hornell.

Maximum UV Index Levels in Hornell for April

The chart shows the monthly maximum UV Index (UVI) for Hornell 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 Hornell typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810101098642
Data source: Hornell 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 Hornell Compares to Other Months

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

This table compares monthly weather conditions in Hornell, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)74 mm (2.9 inches)91%moderate
February Weather-3°C (27°F)87 mm (3.4 inches)91%moderate
March Weather1°C (34°F)77 mm (3.0 inches)88%high
April Weather7°C (45°F)109 mm (4.3 inches)88%very high
May Weather14°C (57°F)117 mm (4.6 inches)82%very high
June Weather18°C (65°F)95 mm (3.7 inches)79%very high
July Weather21°C (70°F)128 mm (5.0 inches)77%very high
August Weather20°C (68°F)81 mm (3.2 inches)72%very high
September Weather16°C (62°F)80 mm (3.2 inches)76%very high
October Weather11°C (52°F)127 mm (5.0 inches)83%high
November Weather3°C (37°F)81 mm (3.2 inches)88%moderate
December Weather-1°C (30°F)85 mm (3.3 inches)87%low

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