October weather forecastLouisville, KY

October
Weather in October
Louisville begins to feel the tug of the chill in October. The average high temperature drops noticeably to 66.7°F (19.3°C) from the 79.3°F (26.3°C) of September, bringing noticeably cooler days. October is typically a dry month, with rainfall averaging 1.34" (34mm) over the course of the month. The wind speed in Louisville starts to rise again, reaching 6.5mph (10.5km/h), up from September's 5.3mph (8.5km/h). The daylight hours continue their descent, offering 11.2 hours of sunshine.Temperature
Arrival of October in Louisville comes with a reduction in the average high-temperature, falling from a moderately hot 79.3°F (26.3°C) in September to a comfortable 66.7°F (19.3°C). Louisville, in October, observes a steady average low-temperature of 48.6°F (9.2°C).Humidity
August and October, with an average relative humidity of 73%, are the least humid months in Louisville, Kentucky.Rainfall
In October, in Louisville, the rain falls for 9.8 days. Throughout October, 1.34" (34mm) of precipitation is accumulated. Throughout the year, in Louisville, there are 145.2 rainfall days, and 17.64" (448mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in October in Louisville is 11h and 11min.On the first day of the month, sunrise is at 7:39 am and sunset at 7:25 pm. On the last day of October, in Louisville, sunrise is at 8:08 am and sunset at 6:44 pm EDT.
Sunshine
In October, the average sunshine is 7h.UV index
The average daily maximum UV index in October is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In October, a daily maximum UV index of 3 leads to the following instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Louisville, KY
- Average high temperature in October: 66.7°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in October: 48.6°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in October
Louisville, KY
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Louisville, KY
- Average wind speed in October: 6.5mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in October
Louisville, KY
- Average humidity in October: 73%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in October
Louisville, KY
- Average rainfall in October: 1.34"
The wettest months (with the highest rainfall) are May and July (1.89").
The driest months (with the least rainfall) are January and September (1.06").
Average rainfall days in October
Louisville, KY
- Average rainfall days in October: 9.8 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in October
Louisville, KY
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Louisville, KY
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Louisville, KY
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in October: 7h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 24min).
Average sunshine days in October
Louisville, KY
- Average sunshine days in October: 19.2 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in October
Louisville, KY
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in October
Louisville, KY
- Average cloud cover in October: 35
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in October
Louisville, KY
- Average visibility in October: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).





