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May Weather in Highland Park, United States

Last updated: June 24, 2025

In May, the average temperature in Highland Park, United States is a pleasant 24°C (75°F). However, be prepared for extremes, with nighttime lows dipping to 7°C (45°F) and occasional daytime highs reaching up to 36°C (97°F). This month sees an average precipitation of 178 mm (7.0 in) over 12 days, contributing to a relatively high humidity level of 81%. Whether you're planning outdoor adventures or cozy indoor activities, it's good to be mindful of the weather!

May Temperature in Highland Park

In May in Highland Park, the average temperature is 24°C (75°F). Maximums can reach 36°C (97°F) and minimums can be as low as 7°C (45°F). Be prepared for warm days and cool nights when traveling to Highland Park this May.

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

The chart illustrates May temperature patterns in Highland Park, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Highland Park, May typically has an average temperature of 24°C (75°F), with highs reaching up to 36°C (97°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec474961657582858579685752
Data source: Temperature data for Highland 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 Highland Park

In Highland Park in May, the precipitation amount is 178 mm (7.0 in) over the course of 12 days.

May Precipitation Trends in Highland Park

The chart displays monthly precipitation patterns in Highland 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 Highland Park, May typically receives around 178 mm (7.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec60102115123178934796811435566
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Highland Park

In Highland Park in May humidity is 81%. With an average temperature of 24°C (75°F), this humidity feels like a warm, thick blanket enveloping you, making traveling a bit sticky and sweaty, yet still inviting for those who enjoy the rich, tropical atmosphere.

May Average Humidity in Highland Park

This chart illustrates the average monthly humidity levels in Highland 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 Highland Park is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Highland Park

In Highland Park in May, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Highland Park.

Maximum UV Index Levels in Highland Park for May

The chart shows the monthly maximum UV Index (UVI) for Highland 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 Highland Park typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478101111111110864
Data source: Highland 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 Highland Park Compares to Other Months

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

This table compares monthly weather conditions in Highland Park, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)60 mm (2.4 inches)80%moderate
February Weather10°C (50°F)102 mm (4.0 inches)79%high
March Weather16°C (61°F)115 mm (4.5 inches)78%very high
April Weather19°C (66°F)122 mm (4.8 inches)78%very high
May Weather24°C (75°F)178 mm (7.0 inches)81%extreme
June Weather28°C (82°F)93 mm (3.6 inches)78%extreme
July Weather30°C (85°F)47 mm (1.8 inches)73%extreme
August Weather29°C (85°F)96 mm (3.8 inches)66%extreme
September Weather26°C (80°F)81 mm (3.2 inches)65%very high
October Weather20°C (68°F)143 mm (5.6 inches)72%very high
November Weather14°C (57°F)55 mm (2.2 inches)82%high
December Weather11°C (52°F)66 mm (2.6 inches)87%moderate

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