October Weather in Louisville, United States

Last updated: February 24, 2025

October in Louisville, United States brings a diverse range of weather experiences, with maximum temperatures reaching a warm 35°C (96°F) and a refreshing average of 16°C (60°F). As the month progresses, temperatures can dip as low as -1°C (31°F), showcasing the transition into cooler fall conditions. Rainfall is notable, with 98 mm (3.9 in) of precipitation spread over 10 days, contributing to a humidity level of 76%. This month serves as a vivid reminder of autumn's arrival, balancing warm days with crisp evenings and periodic showers.

October Temperature in Louisville

In October, Louisville experiences a striking transition as the warmth of summer begins to ebb. With minimum temperatures dipping to -1°C (31°F), the city greets the month with a crispness in the air. The average temperature hovers around 16°C (60°F), making it a delightful time for outdoor activities and enjoying the fall foliage. Maximum temperatures can still reach a balmy 35°C (96°F), reflecting the lingering warmth of early autumn. This blend of cool mornings and mild afternoons creates an inviting atmosphere, perfect for savoring the seasonal changes while basking in the last rays of sunshine before winter sets in.

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.
JanFebMarAprMayJunJulAugSepOctNovDec353948566775787671604541
Data source: Temperature data for Louisville generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Louisville

October in Louisville sees an average precipitation of 98 mm (3.9 in), making it one of the wetter months of the year, though slightly milder compared to the peak rainfall in June with 151 mm (5.9 in). With 10 days of rain, October's precipitation mirrors the consistency found in the preceding months of July and August, which also experienced relatively moderate rainfall. Notably, this month bridges the gap between the drier late summer and the wetter winter months, showcasing the city's transitional climate as it heads into cooler weather. The pattern suggests a gentle decline from the spring highs, yet the rainfall remains crucial for the region's fall foliage and agricultural needs.

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.
JanFebMarAprMayJunJulAugSepOctNovDec8712813213712815198941129888106
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Louisville

As October rolls in, Louisville experiences a refreshing shift in humidity, averaging 76%. This marks a notable decrease from the muggy heights of summer, where humidity levels consistently hovered around 79% in both July and August. The approach of autumn brings a gradual decline from the 86% average of March and the higher levels seen in earlier months, creating a more comfortable atmosphere for outdoor activities. However, as the season transitions toward winter, humidity levels will soon rise again, peaking at 88% in November and 87% in December. This cyclical pattern highlights the city's dynamic climate, where the crispness of fall is often accompanied by a gradual increase in moisture as the year draws to a close.

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, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%85%86%84%79%82%79%70%69%76%88%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Louisville

As October unfolds in Louisville, the UV Index takes a notable dip from the summer's peak, settling at 7, which indicates a high level of sun exposure risk. This means while the cooler temperatures bring relief from the sweltering heat, the sun's rays still call for caution, allowing for a burn time of about 25 minutes for unprotected skin. The trend reflects a gradual decrease in UV intensity as we move from the extreme levels seen during June and July, yet it remains essential to stay mindful when stepping outdoors. Embrace the autumn beauty while safeguarding your skin—check out the details at Louisville UV Index for the latest updates and tips!

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.
JanFebMarAprMayJunJulAugSepOctNovDec3579101110108743
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.

October Sunshine in Louisville

As October arrives in Louisville, the city enjoys a delightful balance of sunny days, basking in 248 hours of sunshine—a noteworthy drop from the summer peak of 345 hours in July, but still vibrant compared to the winter months ahead. This transition signals the end of the intense summer rays, welcoming a serene fall atmosphere. Although October shines less brightly than the sun-drenched peak months, it outshines November, which offers only 201 hours. The gradually diminishing daylight is accompanied by the picturesque fall foliage, creating a charming backdrop that encourages outdoor adventures before the chill of winter sets in. Overall, October's sunshine embodies the perfect blend of warmth and coolness, making it a treasured month in Louisville.

Monthly Sunshine Duration in Louisville: October Highlighted

The October sunshine duration represents the total number of hours Louisville experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec128h152h219h241h287h322h345h318h281h248h201h171h
Data source: Louisville October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Louisville During October

As October rolls into Louisville, the chance of sunny weather stands at 40%, reflecting a pleasant shift compared to the earlier months of the year. After a summer marked by fluctuating sunshine, this autumn month offers a nice balance between mild temperatures and brighter days, making it a favorable time for enjoying outdoor activities. Interestingly, October's sun probabilities are similar to those of the previous months, but they still fall short of the sunny September, which boasts a striking 57%. Looking ahead to November, optimism returns with a more promising 52% chance of sunshine, hinting at a gradual transition to brighter days as the year winds down. Overall, October in Louisville serves as a delightful blend of crisp fall air and the possibility of sunny skies.

Percentage of Sunny Days in October in Louisville

The chart illustrates the percentage of sunny days in Louisville throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Louisville experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%24%42%48%30%38%47%40%57%40%52%38%
Data source: Louisville October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Louisville in October

As the year unfolds in Louisville, the October daylight duration reflects a gentle transition from the summer's bright embrace to the cozy autumn hues. With 11 hours of daylight, October marks a slight decline from September's 12 hours, signaling the days are gradually getting shorter as we approach winter. This trend of diminishing daylight begins in late summer, peaking in June with an impressive 14 hours before steadily receding through the fall months. As the vibrant colors of fall settle in, October offers a bittersweet reminder of the sun's gradual retreat, yet still provides ample time to savor the beauty of the season before the long nights of winter.

Average Daylight Hours in Louisville for October

The chart illustrates the variation in daylight duration in Louisville throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 50m10h 46m11h 58m13h 13m14h 15m14h 46m14h 29m13h 33m12h 22m11h 9m10h 4m9h 32m
Data source: Louisville daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Louisville

As October rolls into Louisville, a refreshing shift in the winds is felt, bringing an average speed of 2.7 m/s (6 mph). This month marks a slight uptick from the leisurely summer breezes, which saw their lowest wind speeds, with August dipping to just 1.9 m/s (4 mph). The transition is a reminder of autumn's arrival, as wind speeds gradually increase from the calm of late summer and begin to approach the peaks of early winter, with December experiencing gusts of 3.2 m/s (7 mph). Overall, October's winds create a perfect backdrop for the vibrant fall scenery, inviting both residents and visitors to enjoy the crisp air and changing leaves.

Average October Wind Speed in Louisville

The chart displays monthly wind speed patterns in Louisville, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.13.22.92.52.42.11.92.42.7 m/s2.83.2
Data source: Louisville October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Louisville Compares to Other Months

The weather in Louisville changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Louisville and find detailed weather information for every month.

In October, the weather can be quite warm during the day, with average temperatures around 16°C (60°F) and highs reaching up to 35°C (96°F), while nights can drop to a chilly -1°C (31°F). This month typically sees about 98 mm (3.9 in) of precipitation over approximately 10 days, with humidity levels around 76%. In contrast, January is much colder, with average temperatures plummeting to a mere 2°C (35°F) and nighttime lows of -18°C (0°F). The month experiences less precipitation, totaling around 87 mm (3.4 in) over 9 days, but the humidity is slightly higher at 87%. For more details on the January climate, you can visit Louisville weather in January.

October and February present stark contrasts in weather. October boasts a minimum temperature of -1°C (31°F) and an average of 16°C (60°F), peaking at a hot 35°C (96°F). With an average precipitation of 98 mm (3.9 in) over about 10 days, October often balances warmth with considerable moisture. In contrast, February experiences much colder temperatures, with a minimum of -18°C (0°F) and an average of just 4°C (40°F), with a maximum of 26°C (79°F). Despite the chill, February sees higher precipitation, totaling 128 mm (5.0 in) across 13 days, and a humidity level of 85%. For more detailed insights into February weather, check out Louisville weather in February.

In comparing the weather of October and March, it's evident that both months bring a variety of conditions. October typically experiences milder temperatures, ranging from a minimum of -1°C (31°F) to a maximum of 35°C (96°F), with an average of 16°C (60°F). In contrast, March starts off colder, with temperatures dipping as low as -12°C (11°F) and averaging around 9°C (48°F), but it also peaks at a comfortable maximum of 27°C (81°F).

Precipitation is more frequent in March, accumulating to 132 mm (5.2 in) over 13 days, compared to October’s 98 mm (3.9 in) over 10 days. The humidity is slightly higher in March at 86%, while October maintains a humidity level of 76%. For a more detailed breakdown of Louisville's weather in March, you can check this link: Louisville weather in March.

When comparing the weather in October and April, one can observe some notable differences. October typically features a wider temperature range, with minimums dipping to -1°C (31°F) and maximums soaring up to 35°C (96°F), along with an average temperature of 16°C (60°F). In contrast, April tends to be cooler on average, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 29°C (84°F) and an average of 13°C (56°F). Precipitation is also a factor, as October experiences 98 mm (3.9 in) over about 10 days, while April sees higher rainfall at 137 mm (5.4 in) over 12 days. Furthermore, April's humidity averages around 84%, slightly higher than October's 76%. For more details on Louisville's April weather, visit Louisville weather in April.

When comparing the weather in October and May, there are notable differences in temperature and precipitation patterns. October experiences a broader temperature range, with minimums plunging to -1°C (31°F) and maximums reaching up to 35°C (96°F), while May has a milder temperature range, with minimums around 0°C (33°F) and maximums peaking at 33°C (92°F). Precipitation is more frequent in May, occurring on 14 days with a total of 128 mm (5.0 in), compared to October's 98 mm (3.9 in) over 10 days. Additionally, humidity levels are slightly higher in May at 79%, compared to October's 76%. For more detailed insights, you can check Louisville weather in May.

In October, the weather presents a broader range of temperatures, with minimums dipping as low as -1°C (31°F), while averaging around 16°C (60°F) and peaking at 35°C (96°F). This month experiences about 98 mm (3.9 in) of precipitation over around 10 days, contributing to a humidity level of 76%. In contrast, June tends to be warmer, showcasing minimum temperatures of 9°C (49°F) and averaging a comfortable 24°C (75°F), with maximums reaching 34°C (93°F). June also sees higher precipitation levels at 151 mm (5.9 in) over approximately 12 days, coupled with a slightly higher humidity of 82%. For more detailed insights, check out Louisville weather in June.

October and July present contrasting weather conditions. In October, temperatures can dip to a chilly minimum of -1°C (31°F), while averaging around 16°C (60°F) and reaching a maximum of 35°C (96°F). This month experiences about 98 mm (3.9 in) of precipitation over approximately 10 days, with humidity levels at 76%. In contrast, July showcases a much warmer profile, with minimum temperatures starting at 15°C (60°F), an average of 26°C (79°F), and a maximum nearly matching October at 35°C (95°F). July also shares a similar precipitation total of 98 mm (3.9 in), but spread over slightly more days, around 11, and with a slightly higher humidity of 79%. For a more detailed look at July weather, check out Louisville weather in July.

The weather in October is notably cooler than in August, with minimum temperatures dropping to -1°C (31°F) compared to August's minimum of 13°C (56°F). While both months can reach a maximum of 35°C (95°F to 96°F), October averages a chillier 16°C (60°F), making it feel much more refreshing. Precipitation levels are slightly higher in October at 98 mm (3.9 in) over 10 days, compared to August's 94 mm (3.7 in) across 11 days. Additionally, October's humidity is a bit higher at 76%, compared to 70% in August, contributing to a different overall feel. For a detailed comparison of conditions, visit Louisville weather in August.

October typically brings more variability in temperature compared to September, with a minimum temperature dropping to -1°C (31°F) and an average temperature of 16°C (60°F). In contrast, September enjoys milder temperatures, ranging from a minimum of 8°C (47°F) to an average of 22°C (72°F). Both months experience significant precipitation, with October receiving 98 mm (3.9 in) over 10 days and September slightly higher at 112 mm (4.4 in) over 8 days. Additionally, October has a higher humidity level of 76%, compared to September's 69%, contributing to a more humid atmosphere as the season transitions. For more details, check out Louisville weather in September.

October and November weather showcases a significant shift in temperatures and conditions. October experiences a wider temperature range, with minimums of -1°C (31°F) and maximums reaching up to 35°C (96°F), averaging around 16°C (60°F). In contrast, November brings cooler temperatures, with a minimum of -10°C (14°F) and a maximum of 27°C (80°F), averaging only 7°C (45°F). While October sees a higher average precipitation of 98 mm (3.9 in) over about 10 days, November has slightly less rainfall at 88 mm (3.5 in) across 9 days, but with increased humidity at 88%. For more details, check out Louisville weather in November.

October and December present contrasting weather patterns that reflect the transition into winter. In October, temperatures range from a minimum of -1°C (31°F) to a maximum of 35°C (96°F), with an average temperature of 16°C (60°F). This month experiences about 98 mm (3.9 in) of precipitation over approximately 10 days, accompanied by a humidity level of 76%. In contrast, December sees much colder conditions, with temperatures dipping to a minimum of -14°C (8°F) and peaking at 22°C (71°F), leading to an average temperature of just 5°C (41°F). Precipitation slightly increases to 106 mm (4.2 in) over the same number of days, and humidity rises to 87%. For more information about weather specifics in December, you can check out Louisville weather in December.

Compare Louisville's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Louisville

As October rolls into Louisville, the weather offers a striking contrast to the sweltering summer months. With average temperatures cooling significantly, residents can expect a refreshing reprieve from the heat, showcasing a more pleasant climate marked by mild days and crisp nights. This month also brings increased rainfall, averaging nearly 100 mm over about 10 days, contributing to a humidity level of 76% that keeps the air feeling fresh yet slightly damp. The transition to fall is evident as the spectrum of temperatures ranges from chilly lows to warmer highs, creating a dynamic environment perfect for outdoor activities and enjoying the vibrant autumn foliage. For more details on the city's climate throughout the year, visit Louisville Climate.