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 56.3°F (13.5°C) in November to a frosty 47.5°F (8.6°C). In December, Terrell experiences a temperature dip to an average of 35.4°F (1.9°C) at night.Humidity
In Terrell, Tennessee, the average relative humidity in December is 78%.Rainfall
In Terrell, in December, it is raining for 12 days, with typically 2.95" (75mm) of accumulated precipitation. In Terrell, during the entire year, the rain falls for 158.8 days and collects up to 34.72" (882mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Terrell, during December, snow falls for 1.5 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, there are 10.7 snowfall days, and 4.13" (105mm) of snow is accumulated.Daylight
The month with the shortest days in Terrell, Tennessee, is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:07 am and sunset at 4:50 pm CST.
Sunshine
In Terrell, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Experience reduced UV exposure by about half when donning a wide-brim hat. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days in Terrell?
How many hours of daylight does Terrell have in December?
When are sunrise and sunset in December?
How many hours of sunshine does Terrell have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Terrell, TN
- Average high temperature in December: 47.5°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).
- Average low temperature in December: 35.4°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Terrell, TN
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Terrell, TN
- Average wind speed in December: 8.6mph
The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in December
Terrell, TN
- Average humidity in December: 78%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Terrell, TN
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.38").
Average rainfall days in December
Terrell, TN
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Terrell, TN
- Average snowfall in December: 0.51"
The month with the highest snowfall is March (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Terrell, TN
- Average snowfall days in December: 1.5 days
The months with the highest number of snowfall days are January and February (3.4 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
Terrell, TN
- Average daylight in December: 9h and 4min
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 42min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Terrell, TN
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in December
Terrell, TN
- Average UV index in December: 2
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are February and December (UV index 2).
Average cloud cover in December
Terrell, TN
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Terrell, 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).
Terrell, Tennessee, USA
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