October weather forecastDecatur, TN
October
Weather in October
October, like September, is an agreeable autumn month in Decatur, Tennessee, with temperature in the range of an average low of 49.1°F (9.5°C) and an average high of 69.6°F (20.9°C).Temperature
Decatur's October weather comes with a decrease in average high-temperatures, moving from a warm 81°F (27.2°C) in September to an agreeable 69.6°F (20.9°C). Decatur, in October, observes a steady average low-temperature of 49.1°F (9.5°C).Humidity
June, August, October and November, with an average relative humidity of 75%, are the least humid months in Decatur, Tennessee.Rainfall
In Decatur, during October, the rain falls for 10.7 days and regularly aggregates up to 3.07" (78mm) of precipitation. Throughout the year, in Decatur, there are 171.8 rainfall days, and 41.81" (1062mm) of precipitation is accumulated.Snowfall
May through October are months without snowfall in Decatur, Tennessee.Daylight
In October, the average length of the day is 11h and 17min.On the first day of the month, sunrise is at 7:34 am and sunset at 7:22 pm. On the last day of October, in Decatur, Tennessee, sunrise is at 8:00 am and sunset at 6:44 pm EDT.
Sunshine
In October, the average sunshine is 7.1h.UV index
In October, the average daily maximum UV index in Decatur is 4. 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 daily UV index of 4 in October converts into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in October
Decatur, TN
- Average high temperature in October: 69.6°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in October: 49.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in October
Decatur, TN
- Average pressure in October: 30.06"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in October
Decatur, TN
- Average wind speed in October: 5.1mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in October
Decatur, TN
- Average humidity in October: 75%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).
Average rainfall in October
Decatur, TN
- Average rainfall in October: 3.07"
The wettest months (with the highest rainfall) are July and December (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in October
Decatur, TN
- Average rainfall days in October: 10.7 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in October
Decatur, TN
- Average snowfall in October: 0"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Decatur, TN
- Average snowfall days in October: 0.3 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 and September (0 days).
Average daylight in October /
Average sunshine in October
Decatur, 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: 7h and 6min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in October
Decatur, TN
- Average sunshine days in October: 18.6 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in October
Decatur, TN
- Average UV index in October: 4
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
Decatur, TN
- Average cloud cover in October: 33
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in October
Decatur, TN
- Average visibility in October: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
