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's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a moderate 56.1°F (13.4°C) in November to a frosty 48.6°F (9.2°C). Postoak experiences a consistent average temperature of 34.7°F (1.5°C) throughout the nights in December.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Postoak, in December, during 13.5 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. Throughout the year, there are 176.6 rainfall days, and 39.41" (1001mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In December, in Postoak, it is snowing for 2.2 days. Throughout December, 0.63" (16mm) of snow is accumulated. Throughout the year, in Postoak, there are 11.6 snowfall days, and 3.15" (80mm) of snow is accumulated.Daylight
The month with the shortest days in Postoak is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 7:30 am and sunset at 5:24 pm. On the last day of December, in Postoak, Tennessee, sunrise is at 7:48 am and sunset at 5:35 pm EST.
Sunshine
January and December, with an average of 4.9h of sunshine, are months with the least sunshine in Postoak.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Postoak. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 2 during December, leads to the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Frequently asked questions
What are the temperatures in Postoak in December?
What is the most humid month in Postoak?
What is the average humidity in December in Postoak?
How many days does it rain in December in Postoak?
How many days does it snow in December in Postoak?
What is the month with the shortest days in Postoak?
What is the average length of the day in December in Postoak?
What time are sunrise and sunset in December in Postoak?
What is the month with the least sunshine in Postoak?
How long on average sun shines in December in Postoak?
What are the months with the lowest UV index in Postoak?
What is the UV index reading in December in Postoak?
Average temperature in December
Postoak, TN
- Average high temperature in December: 48.6°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (43.7°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Postoak, 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
Postoak, TN
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Postoak, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is November (76%).
Average rainfall in December
Postoak, TN
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is July (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Postoak, TN
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in December
Postoak, TN
- Average snowfall in December: 0.63"
The month with the highest snowfall is February (1.18").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Postoak, TN
- Average snowfall days in December: 2.2 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Postoak, TN
- Average daylight in December: 9h and 5min
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 48min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Postoak, TN
- Average sunshine days in December: 15.5 days
The months with the most sunshine days are October and November (18.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Postoak, 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
Postoak, TN
- Average cloud cover in December: 50
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in December
Postoak, TN
- Average visibility in December: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Postoak, Tennessee, USA
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