October weather forecastCollierville, TN
October
Weather in October
October in Collierville is characterized by more moderate temperatures, decreasing to an average high of 72.1°F (22.3°C) during the day. There is a notable drop in humidity levels compared to September. The city witnesses shorter days and less sunshine, but the cloud coverage remains stable. Despite the changes, the weather remains comfortable without the summer heat or winter chill. October announces the onset of fall.Temperature
The commencement of October indicates a shift in the average high-temperature, receding from September's moderately hot 83.3°F (28.5°C) to a pleasant 72.1°F (22.3°C). An average low-temperature of 53.2°F (11.8°C) is common during the nights of October.Humidity
The least humid month is October, with an average relative humidity of 70%.Rainfall
In Collierville, during October, the rain falls for 9 days and regularly aggregates up to 2.24" (57mm) of precipitation. Throughout the year, there are 153.4 rainfall days, and 31.34" (796mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In October, the average length of the day in Collierville is 11h and 17min.On the first day of October, sunrise is at 6:53 am and sunset at 6:42 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 6:05 pm CDT.
Sunshine
The average sunshine in October in Collierville is 6.7h.UV index
In October, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In October, the maximum UV index of 4 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Collierville, TN
- Average high temperature in October: 72.1°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in October: 53.2°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in October
Collierville, TN
- Average pressure in October: 30.04"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in October
Collierville, TN
- Average wind speed in October: 7mph
The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in October
Collierville, TN
- Average humidity in October: 70%
The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in October
Collierville, TN
- Average rainfall in October: 2.24"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in October
Collierville, TN
- Average rainfall days in October: 9 days
The month with the highest number of rainy days is August (16.3 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in October
Collierville, TN
- Average snowfall in October: 0"
The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Collierville, TN
- Average snowfall days in October: 0.1 days
The month with the highest number of snowfall days is January (2.1 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in October /
Average sunshine in October
Collierville, TN
- Average daylight in October: 11h and 18min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in October: 6h and 42min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in October
Collierville, TN
- Average sunshine days in October: 20.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is August (11.7 days).
Average UV index in October
Collierville, TN
- Average UV index in October: 4
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in October
Collierville, TN
- Average cloud cover in October: 29
The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and August (Cloud cover 27).
Average visibility in October
Collierville, TN
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





