July Weather in Louisville, United States

Last updated: June 24, 2025

In Louisville, United States, the average temperature in July hovers around 24°C (75°F), creating a pleasant climate. However, temperatures can vary significantly, with minimums of 12°C (54°F) and maximums reaching 34°C (93°F). Expect some rainfall, as the area sees an average precipitation of 126 mm (5.0 in) over approximately 14 days. The average humidity is notably high at 82%, adding a touch of mugginess to those warm days.

July Temperature in Louisville

In July in Louisville, the average temperature is 24°C (75°F). Maximum temperatures can reach 34°C (93°F), while the minimum can drop to as low as 12°C (54°F). It's a great time to explore and enjoy outdoor activities in Louisville.

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

The chart illustrates July 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, July typically has an average temperature of 24°C (75°F), with highs reaching up to 34°C (93°F) and lows dropping to around 12°C (54°F).

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

July Precipitation in Louisville

In Louisville in July, the precipitation amount is 126 mm (5.0 in) over a span of 14 days.

July Precipitation Trends in Louisville

The chart displays monthly precipitation patterns in Louisville, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Louisville, July typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 14 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

July Humidity in Louisville

In Louisville in July, humidity is 82%. With an average temperature of 24°C (75°F), this humidity feels like a warm embrace, making travel feel sticky and heavy on the skin, often requiring more frequent breaks and hydration.

July Average Humidity in Louisville

This chart illustrates the average monthly humidity levels in Louisville, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Louisville is approximately 82%, offering insight into how humid the weather typically is during this month.

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

July UV Index in Louisville

In Louisville in July, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Louisville.

Maximum UV Index Levels in Louisville for July

The chart shows the monthly maximum UV Index (UVI) for Louisville in July, 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 July, the maximum UV index in Louisville typically reaches 10, which falls under the very high exposure category.

Data source: Louisville July 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 July 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 July’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 July’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	90 mm (3.5 inches)	88%	moderate
February Weather	1°C (33°F)	104 mm (4.1 inches)	88%	moderate
March Weather	5°C (41°F)	101 mm (4.0 inches)	87%	high
April Weather	10°C (51°F)	134 mm (5.3 inches)	87%	very high
May Weather	17°C (62°F)	119 mm (4.7 inches)	81%	very high
June Weather	21°C (70°F)	128 mm (5.0 inches)	83%	very high
July Weather	24°C (75°F)	126 mm (5.0 inches)	82%	very high
August Weather	22°C (73°F)	96 mm (3.8 inches)	76%	very high
September Weather	20°C (68°F)	108 mm (4.2 inches)	77%	very high
October Weather	14°C (57°F)	110 mm (4.3 inches)	82%	high
November Weather	5°C (41°F)	93 mm (3.7 inches)	89%	moderate
December Weather	2°C (35°F)	93 mm (3.7 inches)	86%	low