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May Weather in Oak Park, United States

Last updated: June 24, 2025

In May, the average temperature in Oak Park, United States is a comfortable 14°C (57°F), with a minimum of -1°C (31°F) and a maximum reaching up to 30°C (86°F). Expect some rain, with a total precipitation of 159 mm (6.2 in) spread over about 14 days. The average humidity sits at a high 79%, adding to the character of this vibrant location.

May Temperature in Oak Park

In May in Oak Park, the average temperature is 14°C (57°F). Maximum temperatures can reach 30°C (86°F), while the minimum can drop as low as -1°C (31°F). This makes it essential for travelers to pack layers to accommodate the varying temperatures throughout the day.

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

The chart illustrates May 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, May typically has an average temperature of 14°C (57°F), with highs reaching up to 30°C (86°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec272838465768747368554034
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.

May Precipitation in Oak Park

In Oak Park in May, the precipitation amount is 159 mm (6.2 in) during 14 days, indicating a fairly wet period.

May Precipitation Trends in Oak Park

The chart displays monthly precipitation patterns in Oak Park, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Oak Park, May typically receives around 159 mm (6.2 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec6667821161591239480791346258
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Oak Park

In Oak Park in May humidity is 79%. With an average temperature of 14°C (57°F), this humidity feels like a warm, sticky embrace that can make even short strolls feel exhausting, creating a sense of heaviness in the air that might dampen your adventurous spirit while exploring.

May Average Humidity in Oak Park

This chart illustrates the average monthly humidity levels in Oak Park, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Oak Park is approximately 79%, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Oak Park

In Oak Park in May, 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 May

The chart shows the monthly maximum UV Index (UVI) for Oak Park in May, 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 May, the maximum UV index in Oak Park typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34689101098632
Data source: Oak Park May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)66 mm (2.6 inches)82%moderate
February Weather-2°C (29°F)66 mm (2.6 inches)83%moderate
March Weather3°C (38°F)82 mm (3.2 inches)84%high
April Weather8°C (46°F)116 mm (4.6 inches)85%very high
May Weather14°C (57°F)159 mm (6.2 inches)79%very high
June Weather20°C (68°F)123 mm (4.8 inches)82%very high
July Weather23°C (74°F)94 mm (3.7 inches)80%very high
August Weather23°C (73°F)80 mm (3.2 inches)81%very high
September Weather20°C (68°F)79 mm (3.1 inches)80%very high
October Weather13°C (55°F)134 mm (5.3 inches)82%high
November Weather4°C (40°F)62 mm (2.4 inches)88%moderate
December Weather1°C (34°F)58 mm (2.3 inches)84%low

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