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 an enjoyable 62.2°F (16.8°C) in November to a fresh 54.7°F (12.6°C). Morgan City records a consistent low-temperature of 41.4°F (5.2°C) during December nights.Humidity
In Morgan City, the average relative humidity in December is 78%.Rainfall
In December, the rain falls for 12.8 days. Throughout December, 3.58" (91mm) of precipitation is accumulated. In Morgan City, during the entire year, the rain falls for 162 days and collects up to 39.88" (1013mm) of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:47 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:04 pm CST.
Sunshine
In Morgan City, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 3 in December leads to these guidelines:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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 much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in Morgan City?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Morgan City, MS
- Average high temperature in December: 54.7°F
The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 41.4°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (37.4°F).
Average pressure in December
Morgan City, MS
- 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 (29.96"Hg).
Average wind speed in December
Morgan City, MS
- Average wind speed in December: 8.2mph
The windiest month (with the highest average wind speed) is February (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Morgan City, MS
- Average humidity in December: 78%
The months with the highest relative humidity are February and March (79%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Morgan City, MS
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is February (4.06").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Morgan City, MS
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is October (9.1 days).
Average snowfall in December
Morgan City, MS
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Morgan City, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is February (1.1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Morgan City, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 5min
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 48min).
Average sunshine days in December
Morgan City, MS
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is August (10.5 days).
Average UV index in December
Morgan City, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Morgan City, MS
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 26).
Average visibility in December
Morgan City, MS
- 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).
Morgan City, Mississippi, USA
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