May Weather in Louisville, United States

Last updated: June 24, 2025

In May, the average temperature in Louisville, United States hovers around 24°C (75°F). Expect a comfortable range, with minimums dipping to 8°C (47°F) and maximums soaring up to 38°C (101°F). However, be prepared for some rain, as the region sees an average precipitation of 95 mm (3.7 in) over 8 days, and a notable average humidity of 81%.

May Temperature in Louisville

In May in Louisville, the average temperature is 24°C (75°F). Maximum can reach 38°C (101°F), and minimum can be as low as 8°C (47°F). This diverse temperature range makes Louisville an exciting destination for travelers seeking both warm days and cooler evenings.

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

The chart illustrates May temperature patterns in Louisville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Louisville, May typically has an average temperature of 24°C (75°F), with highs reaching up to 38°C (101°F) and lows dropping to around 8°C (47°F).

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

May Precipitation in Louisville

In Louisville in May, the total precipitation amount is 95 mm (3.7 in) spread over 8 days.

May Precipitation Trends in Louisville

The chart displays monthly precipitation patterns in Louisville, 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 Louisville, May typically receives around 95 mm (3.7 inches) of precipitation spread over approximately 8 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 Louisville

In Louisville 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 Louisville

This chart illustrates the average monthly humidity levels in Louisville, 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 Louisville is approximately 81%, 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 Louisville

In Louisville 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 Louisville.

Maximum UV Index Levels in Louisville for May

The chart shows the monthly maximum UV Index (UVI) for Louisville 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 Louisville typically reaches 11, which falls under the extreme exposure category.

Data source: Louisville 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 Louisville Compares to Other Months

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

This table compares monthly weather conditions in Louisville, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	89 mm (3.5 inches)	86%	moderate
February Weather	13°C (55°F)	116 mm (4.6 inches)	84%	high
March Weather	15°C (60°F)	70 mm (2.8 inches)	83%	very high
April Weather	19°C (67°F)	99 mm (3.9 inches)	81%	very high
May Weather	24°C (75°F)	95 mm (3.7 inches)	81%	extreme
June Weather	27°C (80°F)	119 mm (4.7 inches)	81%	extreme
July Weather	28°C (83°F)	109 mm (4.3 inches)	83%	extreme
August Weather	28°C (82°F)	108 mm (4.3 inches)	81%	extreme
September Weather	26°C (79°F)	83 mm (3.3 inches)	82%	very high
October Weather	21°C (70°F)	97 mm (3.8 inches)	78%	very high
November Weather	13°C (56°F)	55 mm (2.2 inches)	86%	high
December Weather	11°C (52°F)	112 mm (4.4 inches)	89%	moderate