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 marks a gentle change in average high-temperature, declining from November's mild 57.6°F (14.2°C) to a fresh 50°F (10°C). Allen reports an average nighttime low-temperature of 35.8°F (2.1°C) in December.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
The wettest months are July and December, with an average 4.29" (109mm) of rainfall.Snowfall
January through April, November and December are months with snowfall in Allen. In Allen, during December, snow falls for 2.2 days and regularly aggregates up to 0.55" (14mm) of snow. In Allen, Tennessee, during the entire year, snow falls for 14.8 days and aggregates up to 3.07" (78mm) of snow.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:30 am and sunset at 5:26 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:37 pm EST.
Sunshine
The month with the least sunshine in Allen, Tennessee, is December, with an average of 5h of sunshine.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
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?
What is the wettest month?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Allen have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Allen have in December?
When is the lowest UV index in Allen?
What is the UV index reading in December in Allen?
Average temperature in December
Allen, TN
- Average high temperature in December: 50°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (45.5°F).
- Average low temperature in December: 35.8°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 (30.6°F).
Average pressure in December
Allen, 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
Allen, TN
- Average wind speed in December: 5.8mph
The windiest months (with the highest average wind speed) are February, March and April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (3.9mph).
Average humidity in December
Allen, TN
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August, October and November (75%).
Average rainfall in December
Allen, TN
- Average rainfall in December: 4.29"
The wettest months (with the highest rainfall) are July and December (4.29").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Allen, TN
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Allen, TN
- Average snowfall in December: 0.55"
The month with the highest snowfall is January (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Allen, TN
- Average snowfall days in December: 2.2 days
The month with the highest number of snowfall days is January (4.8 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
Allen, 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: 5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Allen, TN
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in December
Allen, 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
Allen, TN
- Average cloud cover in December: 48
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
Allen, TN
- Average visibility in December: 6mi
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and March (5mi).
Allen, Tennessee, USA
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