October weather forecastHarpeth, TN
October
Weather in October
October, the same as September, in Harpeth, Tennessee, is an agreeable autumn month, with an average temperature varying between 69.4°F (20.8°C) and 50.2°F (10.1°C).Temperature
The transition into October involves a decrease in the average high-temperature, falling from a warm 81.3°F (27.4°C) in September to an agreeable 69.4°F (20.8°C). In October, Harpeth reports a consistent average low-temperature of 50.2°F (10.1°C) during the nights.Humidity
The least humid month is October, with an average relative humidity of 74%.Rainfall
In Harpeth, during October, the rain falls for 9.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 141.9 rainfall days, and 17.32" (440mm) of precipitation is accumulated.Snowfall
In Harpeth, snow does not fall in April through October.Daylight
In October, the average length of the day is 11h and 16min.On the first day of October, sunrise is at 6:42 am and sunset at 6:30 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:52 pm CDT.
Sunshine
The average sunshine in October is 6.8h.UV index
In October, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 3 in October translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Harpeth, TN
- Average high temperature in October: 69.4°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.3°F).
- Average low temperature in October: 50.2°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in October
Harpeth, TN
- Average pressure in October: 30.06"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in October
Harpeth, TN
- Average wind speed in October: 6.4mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).
Average humidity in October
Harpeth, TN
- Average humidity in October: 74%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Harpeth, TN
- Average rainfall in October: 1.5"
The wettest month (with the highest rainfall) is July (2.17").
The driest month (with the least rainfall) is November (0.94").
Average rainfall days in October
Harpeth, TN
- Average rainfall days in October: 9.4 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (7.2 days).
Average snowfall in October
Harpeth, TN
- Average snowfall in October: 0"
The months with the highest snowfall are February and December (0.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Harpeth, TN
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is February (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
Harpeth, 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 48min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in October
Harpeth, TN
- Average sunshine days in October: 20.3 days
The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in October
Harpeth, TN
- Average UV index in October: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in October
Harpeth, TN
- Average cloud cover in October: 35
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in October
Harpeth, TN
- Average visibility in October: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





