October weather forecastGreenbrier, TN
October
Weather in October
October, the same as September, in Greenbrier, Tennessee, is an agreeable autumn month, with temperature in the range of an average high of 68.9°F (20.5°C) and an average low of 50.2°F (10.1°C).Temperature
October brings a minor decrease, with the average high-temperature reducing from a warm 80.4°F (26.9°C) in September to an agreeable 68.9°F (20.5°C). Throughout October, Greenbrier experiences a low-temperature average of 50.2°F (10.1°C).Humidity
With an average relative humidity of 74%, October is the least humid month in Greenbrier.Rainfall
In Greenbrier, during October, the rain falls for 12 days and regularly aggregates up to 2.8" (71mm) of precipitation. Throughout the year, in Greenbrier, there are 174.6 rainfall days, and 37.68" (957mm) of precipitation is accumulated.Snowfall
In Greenbrier, snow does not fall in May through October.Daylight
The average length of the day in October in Greenbrier is 11h and 15min.On the first day of the month, sunrise is at 6:43 am and sunset at 6:30 pm. On the last day of October, in Greenbrier, sunrise is at 7:10 am and sunset at 5:51 pm CDT.
Sunshine
The average sunshine in October in Greenbrier is 6.8h.UV index
In Greenbrier, the average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In October, the maximum UV index of 3 translates into these guidelines:
Guard yourself - Avoiding sunburn is suggested. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Greenbrier, TN
- Average high temperature in October: 68.9°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 (43°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 (29.3°F).
Average pressure in October
Greenbrier, 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 (29.96"Hg).
Average wind speed in October
Greenbrier, TN
- Average wind speed in October: 6.8mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in October
Greenbrier, TN
- Average humidity in October: 74%
The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in October
Greenbrier, TN
- Average rainfall in October: 2.8"
The wettest month (with the highest rainfall) is July (4.37").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in October
Greenbrier, TN
- Average rainfall days in October: 12 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in October
Greenbrier, TN
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.1").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Greenbrier, TN
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in October /
Average sunshine in October
Greenbrier, 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 48min
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
Greenbrier, TN
- Average sunshine days in October: 17.5 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in October
Greenbrier, 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
Greenbrier, TN
- Average cloud cover in October: 35
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in October
Greenbrier, 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).





