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April Weather in Mentor, United States

Last updated: June 24, 2025

In Mentor, United States, the average temperature in April hovers around 7°C (44°F). This month features a varied climate, with temperatures dipping as low as -3°C (28°F) and soaring up to 22°C (71°F). Expect 113 mm (4.5 in) of precipitation spread over 15 days and an average humidity of 87%, creating a notably damp atmosphere. Prepare accordingly!

April Temperature in Mentor

In April in Mentor, the average temperature is 7°C (44°F), with maximums reaching up to 22°C (71°F) and minimums dropping as low as -3°C (28°F). This variability in temperature makes it essential for travelers to pack layers to be prepared for both warm days and chilly nights.

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

The chart illustrates April temperature patterns in Mentor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mentor, April typically has an average temperature of 7°C (44°F), with highs reaching up to 22°C (71°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec303136445566737268584336
Data source: Temperature data for Mentor 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 Mentor

In Mentor in April, the precipitation amount is 113 mm (4.5 in) over the course of 15 days.

April Precipitation Trends in Mentor

The chart displays monthly precipitation patterns in Mentor, 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 Mentor, April typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec10110199113115981138395141133116
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Mentor

In Mentor in April, humidity is 87%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and requiring travelers to layer up to stay warm and dry.

April Average Humidity in Mentor

This chart illustrates the average monthly humidity levels in Mentor, 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 Mentor 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 Mentor

In Mentor 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 Mentor.

Maximum UV Index Levels in Mentor for April

The chart shows the monthly maximum UV Index (UVI) for Mentor 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 Mentor typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098642
Data source: Mentor 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 Mentor Compares to Other Months

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

This table compares monthly weather conditions in Mentor, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)100 mm (4.0 inches)88%moderate
February Weather-1°C (31°F)101 mm (4.0 inches)88%moderate
March Weather2°C (36°F)99 mm (3.9 inches)87%high
April Weather7°C (44°F)113 mm (4.5 inches)87%very high
May Weather13°C (56°F)115 mm (4.5 inches)81%very high
June Weather19°C (67°F)98 mm (3.9 inches)83%very high
July Weather23°C (73°F)113 mm (4.5 inches)82%very high
August Weather22°C (73°F)83 mm (3.3 inches)76%very high
September Weather20°C (68°F)95 mm (3.7 inches)77%very high
October Weather14°C (58°F)140 mm (5.5 inches)82%high
November Weather6°C (43°F)133 mm (5.2 inches)89%moderate
December Weather2°C (36°F)116 mm (4.6 inches)86%low

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