December weather forecast
Morgan City, LA

englishespañol中文
Share

Weather in December

When December descends upon Morgan City, Louisiana, it brings with it the cold bite of winter. The cooling trend of the past weeks reaches its coldest point, with minimum temperature dropping to 47.1°F (8.4°C). The city somewhat quiets down under the coat of the winter chill. The charm that the cold months bring fills up the city's streets and homes. The mood shades towards festive, wrapping up the year under the cold winter sky.

Temperature

In the transition to December, Morgan City observes a minor drop in the average high-temperature, shifting from an agreeable 68.9°F (20.5°C) in November to a refreshing 63.5°F (17.5°C). During December, Morgan City sees a mean low-temperature of 50.9°F (10.5°C).

Humidity

February and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Morgan City, during December, the rain falls for 8 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Morgan City, during the entire year, the rain falls for 128.6 days and collects up to 13.27" (337mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

The month with the shortest days is December, with an average of 10h and 18min of daylight.
On the first day of December, sunrise is at 6:42 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:16 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5.3h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

What are the temperatures in December?

December temperatures vary between a high-temperature of 63.5°F (17.5°C) and a low-temperature of 50.9°F (10.5°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 100.4°F (38°C).

What is the most humid month?

February and December, with an average relative humidity of 79%, are most humid months in Morgan City.

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in Morgan City in December?

In December, in Morgan City, the rain falls for 8 days. Throughout December, 0.87" (22mm) of precipitation is accumulated.

When it does not snow?

In Morgan City, snow does not fall in February through December.

Does it snow in December?

In Morgan City, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days?

With an average of 10h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In December, the average day length is 10h and 17min.

What time are sunrise and sunset in December in Morgan City?

In December, on the first day of the month, sunrise is at 6:42 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:16 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year in Morgan City, with an average of 5.3h of sunshine.

How long on average sun shines in December?

In December, the average sunshine duration is 5.3h.

When is the lowest UV index?

The month with the lowest UV index in Morgan City is December, with an average maximum UV index of 3.

What is the UV index intensity in December?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Morgan City, LA

Average temperature in December - Morgan City, LA
  • Average high temperature in December: 63.5°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in December: 50.9°F

The month with the highest average low temperature is August (77.2°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

Average pressure in December
Morgan City, LA

Average pressure in December - Morgan City, LA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.96"Hg).

Average wind speed in December
Morgan City, LA

Average wind speed in December - Morgan City, LA
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).

Average humidity in December
Morgan City, LA

Average humidity in December - Morgan City, LA
  • Average humidity in December: 79%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Morgan City, LA

Average rainfall in December - Morgan City, LA
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is March (0.43").

Average rainfall days in December
Morgan City, LA

Average rainfall days in December - Morgan City, LA
  • Average rainfall days in December: 8 days

The month with the highest number of rainy days is August (20 days).
The month with the least rainy days is November (6 days).

Average snowfall days in December
Morgan City, LA

Average snowfall days in December - Morgan City, LA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Morgan City, LA

Average daylight in December / Average sunshine in December - Morgan City, LA
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

Average sunshine days in December
Morgan City, LA

Average sunshine days in December - Morgan City, LA
  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is November (23 days).
The month with the least sunshine days is August (6.9 days).

Average UV index in December
Morgan City, LA

Average UV index in December - Morgan City, LA
  • Average UV index in December: 3

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in December
Morgan City, LA

Average cloud cover in December - Morgan City, LA
  • Average cloud cover in December: 45

The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 23).

Average visibility in December
Morgan City, LA

Average visibility in December - Morgan City, LA
  • 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, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location