December weather forecastCastell Springs, TN
December
Weather in December
December, the first month of the winter in Castell Springs, is still a chilly month, with temperature in the range of an average high of 47.5°F (8.6°C) and an average low of 32.9°F (0.5°C).Temperature
The start of December involves a subtle temperature drop, shifting from a refreshing 55.6°F (13.1°C) in November to a frosty 47.5°F (8.6°C). Castell Springs's temperature in December lowers to a consistent average of 32.9°F (0.5°C) during the nights.Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
In Castell Springs, Tennessee, during December, the rain falls for 13.8 days and regularly aggregates up to 3.23" (82mm) of precipitation. Throughout the year, in Castell Springs, there are 188.6 rainfall days, and 32.87" (835mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Castell Springs. December is the month with the most snowfall in Castell Springs. Snow falls for 6 days and accumulates 4.09" (104mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year in Castell Springs, Tennessee.On the first day of the month, sunrise is at 7:24 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:42 am and sunset at 5:26 pm EST.
Sunshine
In Castell Springs, the average sunshine in December is 5.5h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Castell Springs. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Castell Springs, TN
- Average high temperature in December: 47.5°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Castell Springs, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).
Average wind speed in December
Castell Springs, TN
- Average wind speed in December: 5.5mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Castell Springs, TN
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in December
Castell Springs, TN
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Castell Springs, TN
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in December
Castell Springs, TN
- Average snowfall in December: 4.09"
The month with the highest snowfall is December (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Castell Springs, TN
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Castell Springs, TN
- Average daylight in December: 9h and 42min
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 December: 5h and 30min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Castell Springs, TN
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Castell Springs, TN
- Average UV index in December: 2
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 December
Castell Springs, TN
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and August (Cloud cover 28).
Average visibility in December
Castell Springs, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
