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April Weather in Ithaca, United States

Last updated: June 24, 2025

In April, the average temperature in Ithaca, United States hovers around 8°C (46°F). Expect chilly nights with a minimum drop to -8°C (19°F), while warm days can reach up to 28°C (83°F). During this month, precipitation averages 87 mm (3.4 in) across 12 days, contributing to an average humidity of 86%.

April Temperature in Ithaca

In April in Ithaca, the average temperature is 8°C (46°F). The maximum can reach 28°C (83°F), and the minimum can be as low as -8°C (19°F). This range makes it essential for travelers to pack for varying conditions, ensuring they are prepared for both warm days and chilly nights.

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

The chart illustrates April temperature patterns in Ithaca, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ithaca, April typically has an average temperature of 8°C (46°F), with highs reaching up to 28°C (83°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec252636465969747264523831
Data source: Temperature data for Ithaca 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 Ithaca

In Ithaca in April, the precipitation amount is 87 mm (3.4 in) over the course of 12 days.

April Precipitation Trends in Ithaca

The chart displays monthly precipitation patterns in Ithaca, 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 Ithaca, April typically receives around 87 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5963608811612163711041155962
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Ithaca

In Ithaca in April humidity is 86%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay comfortable while exploring.

April Average Humidity in Ithaca

This chart illustrates the average monthly humidity levels in Ithaca, 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 Ithaca is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%86%80%80%80%81%80%84%90%86%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Ithaca

In Ithaca 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 Ithaca.

Maximum UV Index Levels in Ithaca for April

The chart shows the monthly maximum UV Index (UVI) for Ithaca 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 Ithaca typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24589101097532
Data source: Ithaca 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 Ithaca Compares to Other Months

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

This table compares monthly weather conditions in Ithaca, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (25°F)59 mm (2.3 inches)88%low
February Weather-3°C (26°F)63 mm (2.5 inches)87%moderate
March Weather2°C (36°F)60 mm (2.4 inches)85%moderate
April Weather8°C (46°F)87 mm (3.4 inches)86%very high
May Weather15°C (59°F)116 mm (4.6 inches)80%very high
June Weather21°C (69°F)120 mm (4.7 inches)80%very high
July Weather23°C (75°F)63 mm (2.5 inches)80%very high
August Weather22°C (72°F)71 mm (2.8 inches)80%very high
September Weather18°C (65°F)104 mm (4.1 inches)80%high
October Weather11°C (53°F)114 mm (4.5 inches)84%moderate
November Weather3°C (38°F)59 mm (2.3 inches)89%moderate
December Weather-1°C (31°F)62 mm (2.4 inches)86%low

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