Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The advent of December brings a slight shift in average high-temperature, moving from a mild 56.3°F (13.5°C) in November to a chilly 47.5°F (8.6°C). Westmoreland's nighttime temperature during December is consistently averaged at a wintry 34.7°F (1.5°C).Humidity
February, March, May, July and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In December, the rain falls for 12.8 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. Throughout the year, there are 176.5 rainfall days, and 41.22" (1047mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Westmoreland. In Westmoreland, in December, snow falls for 3.5 days, with typically accumulated 0.87" (22mm) of snow. Throughout the year, there are 17.5 snowfall days, and 5" (127mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:39 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:39 pm CST.
Sunshine
In Westmoreland, the average sunshine in December is 4.4h.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 exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Westmoreland, TN
- Average high temperature in December: 47.5°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 December: 34.7°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 December
Westmoreland, TN
- Average pressure in December: 30.14"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 December
Westmoreland, TN
- Average wind speed in December: 7.4mph
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 December
Westmoreland, TN
- Average humidity in December: 79%
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 December
Westmoreland, TN
- Average rainfall in December: 2.99"
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 December
Westmoreland, TN
- Average rainfall days in December: 12.8 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 December
Westmoreland, TN
- Average snowfall in December: 0.87"
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 December
Westmoreland, TN
- Average snowfall days in December: 3.5 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 December /
Average sunshine in December
Westmoreland, TN
- Average daylight in December: 9h and 4min
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 2min
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 December
Westmoreland, TN
- Average sunshine days in December: 14.9 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 December
Westmoreland, 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
Westmoreland, TN
- Average cloud cover in December: 54
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 December
Westmoreland, TN
- Average visibility in December: 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).
Westmoreland, Tennessee, USA
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