May Weather in Racine, United States

Last updated: June 24, 2025

In May, the average temperature in Racine, United States hovers around 15°C (59°F), making it a pleasant time of year. However, temperatures can vary significantly, with a minimum dipping to -1°C (30°F) and a high reaching up to 34°C (94°F). Expect some moisture, as the area receives an average precipitation of 149 mm (5.9 in) over 14 days, coupled with a notable average humidity of 74%. Prepare accordingly!

May Temperature in Racine

In May in Racine, the average temperature is 15°C (59°F). Maximum temperatures can reach 34°C (94°F), while minimums can drop as low as -1°C (30°F). This climate makes Racine a versatile destination for travelers, offering both warm days and cooler nights to enjoy different experiences.

May Weather in Racine: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Racine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Racine, May typically has an average temperature of 15°C (59°F), with highs reaching up to 34°C (94°F) and lows dropping to around -1°C (30°F).

Data source: Temperature data for Racine generated using information from the Copernicus Climate Change Service.

May Precipitation in Racine

In Racine in May, the precipitation amount is 149 mm (5.9 in) over a span of 14 days.

May Precipitation Trends in Racine

The chart displays monthly precipitation patterns in Racine, 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 Racine, May typically receives around 149 mm (5.9 inches) of precipitation spread over approximately 14 days.

Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

May Humidity in Racine

In Racine in May, humidity is 74%. With an average temperature of 15°C (59°F), this humidity feels like traveling through a warm, sticky blanket that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to seek out shaded areas or cool breezes.

May Average Humidity in Racine

This chart illustrates the average monthly humidity levels in Racine, 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 Racine is approximately 74%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Racine

In Racine 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 Racine.

Maximum UV Index Levels in Racine for May

The chart shows the monthly maximum UV Index (UVI) for Racine 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 Racine typically reaches 9, which falls under the very high exposure category.

Data source: Racine 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 Racine Compares to Other Months

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

This table compares monthly weather conditions in Racine, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-8°C (18°F)	36 mm (1.4 inches)	82%	moderate
February Weather	-8°C (18°F)	47 mm (1.9 inches)	84%	moderate
March Weather	1°C (34°F)	61 mm (2.4 inches)	80%	moderate
April Weather	7°C (44°F)	85 mm (3.4 inches)	81%	very high
May Weather	15°C (59°F)	149 mm (5.9 inches)	74%	very high
June Weather	21°C (71°F)	134 mm (5.3 inches)	80%	very high
July Weather	23°C (73°F)	96 mm (3.8 inches)	80%	very high
August Weather	21°C (70°F)	106 mm (4.2 inches)	77%	very high
September Weather	18°C (64°F)	121 mm (4.8 inches)	75%	very high
October Weather	9°C (48°F)	115 mm (4.5 inches)	80%	moderate
November Weather	1°C (34°F)	50 mm (2.0 inches)	87%	moderate
December Weather	-4°C (25°F)	39 mm (1.5 inches)	83%	low