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April Weather in Mundelein, United States

Last updated: June 24, 2025

In April, the average temperature in Mundelein, United States hovers around 7°C (46°F). Be prepared for a temperature range that can dip to a frosty -7°C (20°F) or rise to a warm 25°C (77°F). Expect about 118 mm (4.6 in) of precipitation spread over 13 days, contributing to a relatively high average humidity of 85%.

April Temperature in Mundelein

In April in Mundelein, the average temperature is 7°C (46°F), with maximums reaching up to 25°C (77°F) and minimums dropping as low as -7°C (20°F). This diverse temperature range makes Mundelein an exciting destination for travelers who enjoy experiencing both warm and chilly weather.

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

The chart illustrates April temperature patterns in Mundelein, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mundelein, April typically has an average temperature of 7°C (46°F), with highs reaching up to 25°C (77°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec262737455668747267543933
Data source: Temperature data for Mundelein 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 Mundelein

In Mundelein in April, the precipitation amount is 118 mm (4.6 in) over a span of 13 days.

April Precipitation Trends in Mundelein

The chart displays monthly precipitation patterns in Mundelein, 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 Mundelein, April typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6867761181641098483851335859
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Mundelein

In Mundelein in April humidity is 85%. With an average temperature of 7°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration feel much colder than it actually is.

April Average Humidity in Mundelein

This chart illustrates the average monthly humidity levels in Mundelein, 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 Mundelein is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%85%85%85%78%80%78%76%79%83%88%82%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Mundelein

In Mundelein 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 Mundelein.

Maximum UV Index Levels in Mundelein for April

The chart shows the monthly maximum UV Index (UVI) for Mundelein 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 Mundelein typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101098532
Data source: Mundelein 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 Mundelein Compares to Other Months

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

This table compares monthly weather conditions in Mundelein, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)68 mm (2.7 inches)85%low
February Weather-3°C (28°F)67 mm (2.6 inches)85%moderate
March Weather3°C (38°F)76 mm (3.0 inches)85%high
April Weather7°C (46°F)118 mm (4.6 inches)85%very high
May Weather14°C (57°F)164 mm (6.5 inches)78%very high
June Weather20°C (68°F)109 mm (4.3 inches)80%very high
July Weather23°C (74°F)84 mm (3.3 inches)78%very high
August Weather22°C (73°F)83 mm (3.3 inches)76%very high
September Weather19°C (67°F)85 mm (3.3 inches)79%very high
October Weather12°C (54°F)133 mm (5.2 inches)83%moderate
November Weather4°C (40°F)58 mm (2.3 inches)88%moderate
December Weather1°C (33°F)59 mm (2.3 inches)81%low

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