October weather forecastCastalian Springs, TN
October
Weather in October
October, like September, is an agreeable autumn month in Castalian Springs, Tennessee, with an average temperature varying between 49.3°F (9.6°C) and 68.4°F (20.2°C).Temperature
October's arrival correlates with a reduction in the average high-temperature, down from a warm 80.1°F (26.7°C) in September to an agreeable 68.4°F (20.2°C). An average nighttime temperature of 49.3°F (9.6°C) is noted during the month of October.Humidity
The least humid month is October, with an average relative humidity of 75%.Rainfall
In Castalian Springs, in October, it is raining for 11.9 days, with typically 2.8" (71mm) of accumulated precipitation. In Castalian Springs, during the entire year, the rain falls for 176.5 days and collects up to 41.22" (1047mm) of precipitation.Snowfall
May through October are months without snowfall in Castalian Springs.Daylight
In Castalian Springs, the average length of the day in October is 11h and 15min.On the first day of October, sunrise is at 6:41 am and sunset at 6:28 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 5:49 pm CDT.
Sunshine
The average sunshine in October is 6.7h.UV index
In Castalian Springs, Tennessee, the average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in October transforms into the following instructions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow 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
Castalian Springs, TN
- Average high temperature in October: 68.4°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in October: 49.3°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (28.9°F).
Average pressure in October
Castalian Springs, 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
Castalian Springs, TN
- Average wind speed in October: 6.3mph
The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in October
Castalian Springs, TN
- Average humidity in October: 75%
The months with the highest relative humidity are February, March, May, July and December (79%).
The month with the lowest relative humidity is October (75%).
Average rainfall in October
Castalian Springs, TN
- Average rainfall in October: 2.8"
The wettest month (with the highest rainfall) is July (5.2").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in October
Castalian Springs, TN
- Average rainfall days in October: 11.9 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in October
Castalian Springs, TN
- Average snowfall in October: 0"
The month with the highest snowfall is February (1.54").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in October
Castalian Springs, TN
- Average snowfall days in October: 0.2 days
The month with the highest number of snowfall days is January (5.2 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
Castalian Springs, 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 42min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in October
Castalian Springs, TN
- Average sunshine days in October: 17.6 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.8 days).
Average UV index in October
Castalian Springs, 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
Castalian Springs, TN
- Average cloud cover in October: 37
The month with the most cloud cover is February (Cloud cover 56).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in October
Castalian Springs, 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).





