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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 8°C (47°F). Temperatures can range from a chilly -5°C (23°F) to a warm 27°C (82°F). Expect 90 mm (3.5 in) of precipitation over about 14 days, accompanied by a notable average humidity of 86%.

April Temperature in Oak Park

In April in Oak Park, the average temperature is 8°C (47°F). Maximums can reach 27°C (82°F), while minimums can drop as low as -5°C (23°F). Travelers should be prepared for a wide range of temperatures during this time.

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 8°C (47°F), with highs reaching up to 27°C (82°F) and lows dropping to around -5°C (23°F).
JanFebMarAprMayJunJulAugSepOctNovDec262837465970757266543932
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 90 mm (3.5 in) spread over a total of 14 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 90 mm (3.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec63666890111948881641017454
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 86%. With an average temperature of 8°C (47°F), this humidity feels like a chilling damp that penetrates your clothes, making outdoor adventures less enjoyable and encouraging you to seek warmth indoors rather than explore the sights.

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 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 Oak Park

In Oak Park in April, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24599101098542
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 Weather-3°C (27°F)63 mm (2.5 inches)88%low
February Weather-2°C (28°F)66 mm (2.6 inches)87%moderate
March Weather3°C (37°F)68 mm (2.7 inches)85%moderate
April Weather8°C (47°F)90 mm (3.5 inches)86%very high
May Weather15°C (60°F)111 mm (4.4 inches)80%very high
June Weather21°C (70°F)94 mm (3.7 inches)80%very high
July Weather24°C (75°F)88 mm (3.4 inches)80%very high
August Weather22°C (73°F)81 mm (3.2 inches)80%very high
September Weather19°C (66°F)64 mm (2.5 inches)80%very high
October Weather12°C (54°F)101 mm (4.0 inches)84%moderate
November Weather4°C (39°F)74 mm (2.9 inches)89%moderate
December Weather0°C (33°F)54 mm (2.1 inches)86%low

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