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
The arrival of December corresponds with a light shift in temperature, down from an enjoyable 61.2°F (16.2°C) in November to a cool 54.3°F (12.4°C). Morrisville's nighttime temperature in December drops to an average of 39°F (3.9°C).Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Morrisville, Alabama, during December, the rain falls for 11.1 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Morrisville, during the entire year, the rain falls for 147.2 days and collects up to 20.12" (511mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 3.8 snowfall days, and 1.1" (28mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:30 am and sunset at 4:35 pm. On the last day of December, sunrise is at 6:48 am and sunset at 4:45 pm CST.
Sunshine
The average sunshine in December is 5h.UV index
The months with the lowest UV index in Morrisville are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The UV index of 3 during December leads to these advisories:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Morrisville in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December in Morrisville?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Morrisville, AL
- Average high temperature in December: 54.3°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 39°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 (34.3°F).
Average pressure in December
Morrisville, 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
Morrisville, AL
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Morrisville, AL
- 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
Morrisville, AL
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is October (0.98").
Average rainfall days in December
Morrisville, AL
- Average rainfall days in December: 11.1 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in December
Morrisville, AL
- Average snowfall in December: 0.39"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Morrisville, AL
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.3 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
Morrisville, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Morrisville, AL
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in December
Morrisville, AL
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Morrisville, AL
- Average cloud cover in December: 47
The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
Morrisville, 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).
Morrisville, Alabama, USA
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