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
December brings a slight decrease in temperature, down from a mild 57°F (13.9°C) in November to a chilly 49.1°F (9.5°C). The temperature in Birchwood dips to an average of 35.2°F (1.8°C) during December nights.Humidity
The most humid month is December, with an average relative humidity of 81%.Rainfall
December is the month with the most rainfall in Birchwood. Rain falls for 12.3 days and accumulates 3.15" (80mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. In Birchwood, during December, snow falls for 1.2 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, in Birchwood, there are 9.6 snowfall days, and 1.61" (41mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:31 am and sunset at 5:27 pm. On the last day of December, in Birchwood, sunrise is at 7:48 am and sunset at 5:37 pm EST.
Sunshine
With an average of 4.9h of sunshine, December has the least sunshine of the year.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Birchwood. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are December temperatures in Birchwood?
What is the most humid month in Birchwood?
What is the average humidity in December in Birchwood?
What is the rainiest month in Birchwood?
How much does it rain in Birchwood in December?
How many days does it snow in December in Birchwood?
What is the month with the shortest days in Birchwood?
What is the average length of the day in December in Birchwood?
When is the sunrise / sunset in December in Birchwood?
What is the month with the least sunshine in Birchwood?
How long on average sun shines in December in Birchwood?
What is the month with the lowest UV index in Birchwood?
What is the UV index reading in December in Birchwood?
Average temperature in December
Birchwood, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (45°F).
- Average low temperature in December: 35.2°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 (30.4°F).
Average pressure in December
Birchwood, TN
- Average pressure in December: 30.15"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
Birchwood, TN
- Average wind speed in December: 5.9mph
The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
Birchwood, TN
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).
Average rainfall in December
Birchwood, TN
- Average rainfall in December: 3.15"
The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Birchwood, TN
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Birchwood, TN
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Birchwood, TN
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is January (3.4 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
Birchwood, TN
- Average daylight in December: 9h and 5min
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 December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Birchwood, TN
- Average sunshine days in December: 17.1 days
The month with the most sunshine days is November (20 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
Birchwood, 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
Birchwood, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Birchwood, TN
- Average visibility in December: 5mi
The months with the highest visibility are June, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September and December (5mi).
Birchwood, Tennessee, USA
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