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
With the arrival of December, Old Washington experiences a modest decline in average high-temperatures, transitioning from a mild 56.8°F (13.8°C) in November to a chilly 49.1°F (9.5°C). An average nighttime temperature of 35.2°F (1.8°C) is witnessed in Old Washington, Tennessee throughout December.Humidity
December is the most humid month in Old Washington, Tennessee, with an average relative humidity of 80%.Rainfall
In Old Washington, in December, during 12.5 rainfall days, 3.78" (96mm) of precipitation is typically accumulated. Throughout the year, in Old Washington, there are 163.6 rainfall days, and 37.44" (951mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Old Washington. In December, in Old Washington, it is snowing for 1.4 days. Throughout December, 0.43" (11mm) of snow is accumulated. Throughout the year, in Old Washington, Tennessee, there are 8.2 snowfall days, and 2.01" (51mm) of snow is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Old Washington.On the first day of December, sunrise is at 7:31 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:37 pm EST.
Sunshine
The month with the least sunshine in Old Washington, Tennessee, is December, with an average of 4.8h of sunshine.UV index
The months with the lowest UV index in Old Washington are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are the temperatures in Old Washington in December?
What is the most humid month in Old Washington?
What is the average humidity in December in Old Washington?
How much does it rain in Old Washington in December?
How much does it snow in Old Washington in December?
What is the month with the shortest days in Old Washington?
What is the average length of the day in December in Old Washington?
What time are sunrise and sunset in December in Old Washington?
What is the month with the least sunshine in Old Washington?
How many hours of sunshine does Old Washington have in December?
What is the month with the lowest UV index in Old Washington?
What is the UV index intensity in December in Old Washington?
Average temperature in December
Old Washington, TN
- Average high temperature in December: 49.1°F
The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (45.1°F).
- Average low temperature in December: 35.2°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).
Average pressure in December
Old Washington, 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
Old Washington, TN
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are February and April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Old Washington, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are January, June, July, August, September, October and November (76%).
Average rainfall in December
Old Washington, TN
- Average rainfall in December: 3.78"
The wettest month (with the highest rainfall) is July (3.94").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in December
Old Washington, TN
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is November (8.8 days).
Average snowfall in December
Old Washington, TN
- Average snowfall in December: 0.43"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Old Washington, TN
- Average snowfall days in December: 1.4 days
The month with the highest number of snowfall days is January (2.8 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
Old Washington, 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 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Old Washington, TN
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Old Washington, 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
Old Washington, 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 32).
Average visibility in December
Old Washington, TN
- Average visibility in December: 5mi
The months with the highest visibility are February, June, October and November (6mi).
The months with the lowest visibility are January, March, April, May, July, August, September and December (5mi).
Old Washington, Tennessee, USA
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