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 arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's mild 58.1°F (14.5°C) to a cool 50°F (10°C). Aspen Hill's nights in December cool down to an average low-temperature of 36.7°F (2.6°C).Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Aspen Hill, during December, the rain falls for 13.4 days and regularly aggregates up to 3.82" (97mm) of precipitation. Throughout the year, there are 178.4 rainfall days, and 41.34" (1050mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Aspen Hill, in December, snow falls for 1.9 days, with typically accumulated 0.59" (15mm) of snow. In Aspen Hill, during the entire year, snow falls for 11.1 days and aggregates up to 2.48" (63mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:38 am and sunset at 4:36 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:46 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Experience reduced UV exposure by about half when donning a wide-brim hat. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
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?
How many hours of daylight does Aspen Hill have in December?
When are sunrise and sunset in December in Aspen Hill?
How many hours of sunshine does Aspen Hill have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Aspen Hill, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.9°F).
- Average low temperature in December: 36.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in December
Aspen Hill, TN
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Aspen Hill, TN
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is February (8.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Aspen Hill, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Aspen Hill, TN
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is February (4.65").
The driest month (with the least rainfall) is September (2.52").
Average rainfall days in December
Aspen Hill, TN
- Average rainfall days in December: 13.4 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
Aspen Hill, TN
- Average snowfall in December: 0.59"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Aspen Hill, TN
- Average snowfall days in December: 1.9 days
The month with the highest number of snowfall days is February (3.5 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
Aspen Hill, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Aspen Hill, TN
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (17.8 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Aspen Hill, TN
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Aspen Hill, 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 30).
Average visibility in December
Aspen Hill, TN
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Aspen Hill, Tennessee, USA
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