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April Weather in Wheaton, United States

Last updated: June 24, 2025

In April, the average temperature in Wheaton, United States is a mild 9°C (49°F). However, be prepared for variability, with temperatures ranging from a chilly -7°C (19°F) to a warm 29°C (85°F). Expect about 120 mm (4.7 in) of precipitation over 12 days, contributing to an average humidity of 85%—perfect conditions for cozy indoor activities!

April Temperature in Wheaton

In April in Wheaton, the average temperature is 9°C (49°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as -7°C (19°F). This wide range of temperatures makes it essential for travelers to pack accordingly to enjoy all that Wheaton has to offer.

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

The chart illustrates April temperature patterns in Wheaton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Wheaton, April typically has an average temperature of 9°C (49°F), with highs reaching up to 29°C (85°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec262839486172757368543933
Data source: Temperature data for Wheaton 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 Wheaton

In Wheaton in April, the precipitation amount is 120 mm (4.7 in) over a period of 12 days.

April Precipitation Trends in Wheaton

The chart displays monthly precipitation patterns in Wheaton, 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 Wheaton, April typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec61638912015615111691851315754
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Wheaton

In Wheaton in April humidity is 85%. With an average temperature of 9°C (49°F), this humidity feels like a damp chill that seeps into your bones, making every step outside a challenge as the moisture in the air weighs heavily and lingers, transforming even simple outings into a quest for comfort.

April Average Humidity in Wheaton

This chart illustrates the average monthly humidity levels in Wheaton, 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 Wheaton is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%83%84%85%79%82%80%81%80%82%88%84%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Wheaton

In Wheaton 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 Wheaton.

Maximum UV Index Levels in Wheaton for April

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

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

This table compares monthly weather conditions in Wheaton, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (26°F)61 mm (2.4 inches)82%moderate
February Weather-2°C (28°F)63 mm (2.5 inches)83%moderate
March Weather4°C (40°F)89 mm (3.5 inches)84%high
April Weather9°C (49°F)120 mm (4.7 inches)85%very high
May Weather16°C (61°F)156 mm (6.1 inches)79%very high
June Weather22°C (72°F)151 mm (6.0 inches)82%very high
July Weather24°C (76°F)116 mm (4.6 inches)80%very high
August Weather23°C (73°F)91 mm (3.6 inches)81%very high
September Weather20°C (68°F)85 mm (3.4 inches)80%very high
October Weather12°C (55°F)131 mm (5.2 inches)82%high
November Weather4°C (39°F)57 mm (2.3 inches)88%moderate
December Weather1°C (33°F)54 mm (2.1 inches)84%low

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