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April Weather in Oak Park, United States

Last updated: June 24, 2025

In April, the average temperature in Oak Park, United States hovers around 17°C (62°F), with temperatures ranging from a cool 7°C (44°F) to a warm 35°C (95°F). Expect a moderate precipitation amount of 20 mm (0.8 in) over approximately 3 days. The average humidity during this month is around 68%, creating a pleasantly balanced climate.

April Temperature in Oak Park

In April in Oak Park, the average temperature is 17°C (62°F). Maximums can reach 35°C (95°F) and minimums can be as low as 7°C (44°F). This makes it an ideal time for travelers to enjoy a pleasant mix of warm days and cooler evenings.

April Weather in Oak Park: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Oak Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oak Park, April typically has an average temperature of 17°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec555557626369747572686154
Data source: Temperature data for Oak Park 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 Oak Park

In Oak Park in April, the precipitation amount is 20 mm (0.8 in) accumulated over a period of 3 days.

April Precipitation Trends in Oak Park

The chart displays monthly precipitation patterns in Oak Park, 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 Oak Park, April typically receives around 20 mm (0.8 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec79638020152112101986
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Oak Park

In Oak Park in April, humidity is 68%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it a bit sticky and potentially uncomfortable for traveling, especially if you're engaging in outdoor activities.

April Average Humidity in Oak Park

This chart illustrates the average monthly humidity levels in Oak Park, 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 Oak Park is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%82%76%68%58%52%46%39%48%59%72%76%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Oak Park

In Oak Park in April, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Oak Park.

Maximum UV Index Levels in Oak Park for April

The chart shows the monthly maximum UV Index (UVI) for Oak Park 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 Oak Park typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121110754
Data source: Oak Park 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 Oak Park Compares to Other Months

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

This table compares monthly weather conditions in Oak Park, showing how April’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)79 mm (3.1 inches)78%moderate
February Weather13°C (55°F)63 mm (2.5 inches)82%high
March Weather14°C (57°F)80 mm (3.2 inches)75%very high
April Weather17°C (62°F)20 mm (0.8 inches)68%very high
May Weather17°C (64°F)15 mm (0.6 inches)57%extreme
June Weather20°C (69°F)2 mm (0.1 inches)52%extreme
July Weather23°C (74°F)1 mm (0.0 inches)46%extreme
August Weather24°C (75°F)1 mm (0.0 inches)39%extreme
September Weather22°C (73°F)2 mm (0.1 inches)48%very high
October Weather20°C (68°F)10 mm (0.4 inches)59%high
November Weather16°C (62°F)19 mm (0.7 inches)72%moderate
December Weather12°C (55°F)86 mm (3.4 inches)76%moderate

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