October Weather in Louisville, United States

Last updated: June 24, 2025

In October, the average temperature in Louisville, United States hovers around 7°C (45°F). Expect a wide range, with minimum temperatures plunging to -20°C (-5°F) and peaking at 26°C (79°F). Precipitation averages 48 mm (1.9 in) spread over 7 days, while the average humidity is a noteworthy 76%. Stay prepared for this varied climate!

October Temperature in Louisville

In October in Louisville, the average temperature is 7°C (45°F), with maximums reaching up to 26°C (79°F) and minimums dropping as low as -20°C (-5°F). Be prepared for a wide range of temperatures when planning your trip, and pack accordingly for both warm and cold conditions.

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

The chart illustrates October 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, October typically has an average temperature of 7°C (45°F), with highs reaching up to 26°C (79°F) and lows dropping to around -20°C (-5°F).

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

October Precipitation in Louisville

In Louisville in October, the total precipitation amount is 48 mm (1.9 in) over a span of 7 days.

October Precipitation Trends in Louisville

The chart displays monthly precipitation patterns in Louisville, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Louisville, October typically receives around 48 mm (1.9 inches) of precipitation spread over approximately 7 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Louisville

In Louisville in October, humidity is 76%. With an average temperature of 7°C (45°F), this humidity feels like a chilly embrace that can make even short walks feel damp and uncomfortable, requiring travelers to dress in layers and prepare for sudden changes in weather.

October Average Humidity in Louisville

This chart illustrates the average monthly humidity levels in Louisville, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Louisville is approximately 76%, offering insight into how humid the weather typically is during this month.

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

October UV Index in Louisville

In Louisville in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Louisville.

Maximum UV Index Levels in Louisville for October

The chart shows the monthly maximum UV Index (UVI) for Louisville in October, 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 October, the maximum UV index in Louisville typically reaches 7, which falls under the high exposure category.

Data source: Louisville October 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 October 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 October’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 October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (26°F)	25 mm (1.0 inches)	88%	moderate
February Weather	-4°C (26°F)	36 mm (1.4 inches)	87%	high
March Weather	2°C (35°F)	62 mm (2.5 inches)	81%	very high
April Weather	5°C (42°F)	68 mm (2.7 inches)	76%	extreme
May Weather	10°C (50°F)	134 mm (5.3 inches)	66%	extreme
June Weather	17°C (63°F)	74 mm (2.9 inches)	58%	extreme
July Weather	20°C (68°F)	71 mm (2.8 inches)	52%	extreme
August Weather	19°C (67°F)	67 mm (2.7 inches)	56%	extreme
September Weather	16°C (61°F)	42 mm (1.6 inches)	65%	very high
October Weather	7°C (45°F)	48 mm (1.9 inches)	76%	high
November Weather	2°C (36°F)	30 mm (1.2 inches)	82%	moderate
December Weather	-2°C (29°F)	19 mm (0.8 inches)	89%	moderate