October weather forecastHartsville, TN
October
Weather in October
October, like September, is an agreeable autumn month in Hartsville, Tennessee, with an average temperature ranging between min 49.1°F (9.5°C) and max 68.7°F (20.4°C).Temperature
The average high-temperature drops in October, from September's moderately hot 80.2°F (26.8°C) to a pleasant 68.7°F (20.4°C). Hartsville reports an average nighttime low-temperature of 49.1°F (9.5°C) in October.Humidity
October and November, with an average relative humidity of 75%, are the least humid months.Rainfall
In October, the rain falls for 11.9 days. Throughout October, 2.64" (67mm) of precipitation is accumulated. In Hartsville, during the entire year, the rain falls for 178.1 days and collects up to 37.99" (965mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. October is the first month it typically snows. Throughout October, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Hartsville, during the entire year, snow falls for 17.2 days and aggregates up to 4.25" (108mm) of snow.Daylight
In October, the average length of the day in Hartsville is 11h and 15min.On the first day of October, sunrise is at 6:40 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:48 pm CDT.
Sunshine
In October, the average sunshine is 6.9h.UV index
In Hartsville, the average daily maximum UV index in October is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 3 during October, leads to the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Hartsville, TN
- Average high temperature in October: 68.7°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in October: 49.1°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in October
Hartsville, 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
Hartsville, TN
- Average wind speed in October: 6mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in October
Hartsville, TN
- Average humidity in October: 75%
The months with the highest relative humidity are February, March, May and December (79%).
The months with the lowest relative humidity are October and November (75%).
Average rainfall in October
Hartsville, TN
- Average rainfall in October: 2.64"
The wettest month (with the highest rainfall) is July (4.53").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in October
Hartsville, TN
- Average rainfall days in October: 11.9 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in October
Hartsville, TN
- Average snowfall in October: 0.04"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in October
Hartsville, TN
- Average snowfall days in October: 0.3 days
The month with the highest number of snowfall days is January (5.4 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
Hartsville, TN
- Average daylight in October: 11h and 12min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in October: 6h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in October
Hartsville, TN
- Average sunshine days in October: 17.4 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in October
Hartsville, TN
- 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 and December (UV index 2).
Average cloud cover in October
Hartsville, TN
- Average cloud cover in October: 36
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in October
Hartsville, TN
- Average visibility in October: 6mi
The months with the highest visibility are February, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, March, May, July and August (5mi).





