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October Weather in Louisville, United States

Last updated: June 24, 2025

In October, the average temperature in Louisville, United States hovers around 15°C (60°F). However, temperatures can range significantly, with lows dipping to -3°C (27°F) and soaring to a maximum of 34°C (93°F). Visitors should also prepare for frequent rain, as 116 mm (4.6 in) of precipitation may fall over 11 days. With an average humidity level of 79%, it's a great time to appreciate the region's unique climate!

October Temperature in Louisville

In October in Louisville, the average temperature is 15°C (60°F), with maximums reaching up to 34°C (93°F) and minimums dropping as low as -3°C (27°F). Be prepared for a wide range of temperatures while traveling, so pack accordingly!

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 15°C (60°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec333647556877807673604439
Data source: Temperature data for Louisville 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.

October Precipitation in Louisville

In Louisville in October, the precipitation amount is 116 mm (4.6 in) over the course of 11 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 116 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec88981351211461119897681169385
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Louisville

In Louisville in October, humidity is 79%. With an average temperature of 15°C (60°F), this humidity feels like a warm, enveloping blanket that can make traveling feel muggy and a bit stifling, requiring frequent breaks to stay refreshed and hydrated.

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 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
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 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Louisville, you can refer to this 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 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357911111099643
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.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)88 mm (3.4 inches)84%moderate
February Weather2°C (36°F)98 mm (3.9 inches)82%moderate
March Weather8°C (47°F)135 mm (5.3 inches)84%high
April Weather13°C (56°F)121 mm (4.8 inches)83%very high
May Weather20°C (68°F)146 mm (5.7 inches)80%extreme
June Weather25°C (77°F)111 mm (4.4 inches)83%extreme
July Weather26°C (80°F)98 mm (3.8 inches)82%very high
August Weather25°C (77°F)97 mm (3.8 inches)82%very high
September Weather23°C (73°F)68 mm (2.7 inches)79%very high
October Weather15°C (60°F)116 mm (4.6 inches)79%high
November Weather7°C (44°F)93 mm (3.7 inches)88%moderate
December Weather4°C (39°F)85 mm (3.3 inches)87%moderate

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