October weather forecastGreenfield, TN
October
Weather in October
October, like September, is another pleasant autumn month in Greenfield, Tennessee, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 70.2°F (21.2°C).Temperature
Greenfield's weather in October involves a decrease in the average high-temperature, moving down from September's warm 82°F (27.8°C) to a pleasant 70.2°F (21.2°C). In October, Greenfield records an average nighttime temperature of 51.4°F (10.8°C).Humidity
The least humid month is October, with an average relative humidity of 71%.Rainfall
In Greenfield, in October, during 10.2 rainfall days, 2.76" (70mm) of precipitation is typically accumulated. Throughout the year, there are 163.8 rainfall days, and 38.5" (978mm) of precipitation is accumulated.Snowfall
In Greenfield, snow does not fall in April through October.Daylight
In Greenfield, the average length of the day in October is 11h and 16min.On the first day of October, sunrise is at 6:50 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 5:59 pm CDT.
Sunshine
In October, the average sunshine is 6.8h.UV index
The average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 4 during October translates into these guidelines:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Greenfield, TN
- Average high temperature in October: 70.2°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in October: 51.4°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in October
Greenfield, TN
- Average pressure in October: 30.05"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
Greenfield, TN
- Average wind speed in October: 7.4mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in October
Greenfield, TN
- Average humidity in October: 71%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in October
Greenfield, TN
- Average rainfall in October: 2.76"
The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in October
Greenfield, TN
- Average rainfall days in October: 10.2 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is October (10.2 days).
Average snowfall in October
Greenfield, TN
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in October
Greenfield, TN
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (3.1 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
Greenfield, TN
- Average daylight in October: 11h and 18min
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 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in October
Greenfield, TN
- Average sunshine days in October: 19.8 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in October
Greenfield, TN
- Average UV index in October: 4
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in October
Greenfield, TN
- Average cloud cover in October: 31
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in October
Greenfield, 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).





