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
As Mooresville enters December, the average high-temperature subtly lowers from the a mild 59.5°F (15.3°C) of November to a cool 51.6°F (10.9°C). During the month of December, the temperature in Mooresville falls to an average of 38.3°F (3.5°C).Humidity
With an average relative humidity of 79%, December is the most humid month.Rainfall
The month with the most rainfall is December, when the rain falls for 13.3 days and typically aggregates up to 4.45" (113mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Mooresville, in December, snow falls for 1.5 days, with typically accumulated 0.35" (9mm) of snow. In Mooresville, during the entire year, snow falls for 7.4 days and aggregates up to 1.77" (45mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:36 am and sunset at 4:36 pm. On the last day of December, sunrise is at 6:54 am and sunset at 4:47 pm CST.
Sunshine
In December, the average sunshine is 4.8h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December?
What is the most humid month?
What is the average humidity in December?
What is the rainiest month?
How much does it rain in December?
How many days does it snow in December in Mooresville?
What is the month with the shortest days?
How many hours of daylight does Mooresville have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Mooresville have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December in Mooresville?
Average temperature in December
Mooresville, AL
- Average high temperature in December: 51.6°F
The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in December
Mooresville, AL
- 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 (29.98"Hg).
Average wind speed in December
Mooresville, AL
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Mooresville, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Mooresville, AL
- Average rainfall in December: 4.45"
The wettest month (with the highest rainfall) is December (4.45").
The driest months (with the least rainfall) are September and November (2.48").
Average rainfall days in December
Mooresville, AL
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Mooresville, AL
- Average snowfall in December: 0.35"
The months with the highest snowfall are January and February (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Mooresville, AL
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (2.5 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
Mooresville, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Mooresville, AL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (8.8 days).
Average UV index in December
Mooresville, AL
- 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 and December (UV index 2).
Average cloud cover in December
Mooresville, AL
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Mooresville, AL
- 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).
Mooresville, Alabama, USA
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