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April Weather in Cornell, United States

Last updated: June 24, 2025

In Cornell, United States, the average temperature in April hovers around 6°C (42°F), with extremes ranging from a chilly -18°C (-1°F) to a warm 28°C (82°F). Expect about 89 mm (3.5 in) of precipitation over 12 days, adding to the atmosphere's 85% humidity. Embrace the contrasting weather as you explore this unique destination!

April Temperature in Cornell

In April in Cornell, the average temperature is 6°C (42°F). Maximums can reach 28°C (82°F) and minimums can be as low as -18°C (-1°F). Be prepared for a wide range of weather conditions if you're planning to travel during this time.

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

The chart illustrates April temperature patterns in Cornell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cornell, 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 -18°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec161632425768726862473222
Data source: Temperature data for Cornell 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 Cornell

In Cornell in April, the precipitation amount is 89 mm (3.5 in) during 12 days of rainfall.

April Precipitation Trends in Cornell

The chart displays monthly precipitation patterns in Cornell, 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 Cornell, April typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec32475689122120121123981154860
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Cornell

In Cornell in April, humidity is 85%. With an average temperature of 6°C (42°F), this humidity feels like walking through a thick mist, making even short strolls feel damp and chilly, which can be uncomfortable for traveling.

April Average Humidity in Cornell

This chart illustrates the average monthly humidity levels in Cornell, 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 Cornell is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%89%86%85%79%80%80%78%80%84%89%85%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Cornell

In Cornell 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 Cornell.

Maximum UV Index Levels in Cornell for April

The chart shows the monthly maximum UV Index (UVI) for Cornell 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 Cornell typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Cornell 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 Cornell Compares to Other Months

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

This table compares monthly weather conditions in Cornell, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)32 mm (1.2 inches)88%low
February Weather-9°C (17°F)47 mm (1.9 inches)89%moderate
March Weather0°C (32°F)56 mm (2.2 inches)86%moderate
April Weather6°C (42°F)89 mm (3.5 inches)85%high
May Weather14°C (58°F)122 mm (4.8 inches)79%very high
June Weather20°C (69°F)120 mm (4.7 inches)80%very high
July Weather22°C (72°F)121 mm (4.8 inches)80%very high
August Weather20°C (68°F)123 mm (4.9 inches)78%very high
September Weather17°C (62°F)98 mm (3.9 inches)80%high
October Weather8°C (47°F)114 mm (4.5 inches)84%moderate
November Weather0°C (32°F)48 mm (1.9 inches)89%moderate
December Weather-5°C (23°F)60 mm (2.4 inches)85%low

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