December weather forecastWestbourne, TN
December
Weather in December
December, the first month of the winter in Westbourne, is still a chilly month, with an average temperature ranging between max 46.4°F (8°C) and min 33.3°F (0.7°C).Temperature
December heralds a minor drop in average high-temperature, sliding from November's cool 54.5°F (12.5°C) to a frosty 46.4°F (8°C). In the month of December, the temperature generally rests at an average low of 33.3°F (0.7°C).Humidity
The months with the highest humidity in Westbourne, Tennessee, are February and December, with an average relative humidity of 81%.Rainfall
In Westbourne, in December, during 14.3 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Westbourne, during the entire year, the rain falls for 185.9 days and collects up to 42.28" (1074mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Westbourne. In December, in Westbourne, it is snowing for 6 days. Throughout December, 2.01" (51mm) of snow is accumulated. In Westbourne, during the entire year, snow falls for 30.3 days and aggregates up to 10.71" (272mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:30 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:31 pm EST.
Sunshine
In December, the average sunshine is 4.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Consider carefully! The reflective quality of snow can almost 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 December
Westbourne, TN
- Average high temperature in December: 46.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (41.7°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).
Average pressure in December
Westbourne, TN
- Average pressure in December: 30.14"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 December
Westbourne, TN
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in December
Westbourne, TN
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are June and August (77%).
Average rainfall in December
Westbourne, TN
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is February (4.65").
The driest month (with the least rainfall) is September (2.44").
Average rainfall days in December
Westbourne, TN
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Westbourne, TN
- Average snowfall in December: 2.01"
The month with the highest snowfall is February (3.39").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Westbourne, TN
- Average snowfall days in December: 6 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Westbourne, 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: 4h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Westbourne, TN
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Westbourne, TN
- Average UV index in December: 2
The months with the highest UV index are May, June 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
Westbourne, TN
- Average cloud cover in December: 55
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is June (Cloud cover 33).
Average visibility in December
Westbourne, TN
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).





