December weather forecastD'Iberville, MS

December

Weather in December

December concludes the year with weather turning decidedly chilly in D'Iberville. The lowest maximum temperature of the year at 62.4°F (16.9°C) suggests the winter's arrival. Occasional rain along with a decline in daylight hours lends a unique charm to the city's winter landscape. With the city decked in holiday decorations, December takes on a festive mood inspite of the chilly atmosphere. Capturing this mix of festivities and chilly weather makes December a month to remember in D'Iberville.

Temperature

The shift from November to December includes a small decrease in the average high-temperature, from a pleasant 68.4°F (20.2°C) to a comfortable 62.4°F (16.9°C). An average low-temperature of 50.4°F (10.2°C) marks the nights in D'Iberville throughout December.

Humidity

The most humid month in D'Iberville is December, with an average relative humidity of 78%.

Rainfall

In D'Iberville, during December, the rain falls for 12.6 days and regularly aggregates up to 2.6" (66mm) of precipitation. Throughout the year, there are 177.4 rainfall days, and 39.96" (1015mm) of precipitation is accumulated.

Snowfall

In D'Iberville, snow does not fall in February through December.

Ocean temperature

In December, the average ocean temperature is 60.6°F (15.9°C).
Note: For the majority of people, swimming in water at 60.6°F (15.9°C) is not enjoyable. The challenge of controlling breathing escalates as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:35 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 5:05 pm CST.

Sunshine

With an average of 5.1h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: An average UV index of 4 in December transforms into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. To guard against the harmful effects of the Sun, minimize exposure during midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.

Updated: Jul 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in D'Iberville, is 62.4°F (16.9°C) and the average low-temperature is 50.4°F (10.2°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is calculated to be 98.6°F (37°C).

December is the most humid month, with an average relative humidity of 78%.

In D'Iberville, the average relative humidity in December is 78%.

In D'Iberville, in December, during 12.6 rainfall days, 2.6" (66mm) of precipitation is typically accumulated.

In D'Iberville, snow does not fall in February through December.

In D'Iberville, in December, it doesn't snow. In January, it regularly snows.

In December, the average ocean temperature is 60.6°F (15.9°C). For most, swimming in 60.6°F (15.9°C) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 69.8°F (21°C) to 59°F (15°C).

December has the shortest days of the year, with an average of 10h and 12min of daylight.

The average day length in December is 10h and 13min.

On the first day of December, sunrise is at 6:35 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 5:05 pm CST.

December has the least sunshine of the year, with an average of 5.1h of sunshine.

The average sunshine duration in December in D'Iberville is 5.1h.

The months with the lowest UV index are January and December, with an average maximum UV index of 4.

In December, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

68.4°F

62.4°F

59°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.6mph

8.8mph

8.9mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.4

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

19.6

15.9

17.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
D'Iberville, MS

Average high temperature in December: 62.4°F

The warmest months (with the highest average high temperature) are July and August (89.8°F).
The month with the lowest average high temperature is January (59°F).

Average low temperature in December: 50.4°F

The months with the highest average low temperature are July and August (77.7°F).
The coldest month (with the lowest average low temperature) is January (45.9°F).

Average pressure in December
D'Iberville, MS

Average pressure in December: 30.13"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 (29.97"Hg).

Average wind speed in December
D'Iberville, MS

Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is July (5.9mph).

Average humidity in December
D'Iberville, MS

Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
D'Iberville, MS

Average rainfall in December: 2.6"

The wettest month (with the highest rainfall) is August (6.38").
The driest month (with the least rainfall) is November (1.54").

Average rainfall days in December
D'Iberville, MS

Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is August (24.2 days).
The month with the least rainy days is November (8.2 days).

Average snowfall in December
D'Iberville, MS

Average snowfall in December: 0"

The month with the highest snowfall is January (0.35").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in December
D'Iberville, MS

Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average sea temperature in December
D'Iberville, MS

Average sea temperature in December: 60.6°F

The best month for swimming (with the highest average sea temperature) is August (86.5°F).
The coldest month (with the lowest average sea temperature) is January (56.5°F).

Average daylight in December /
Average sunshine in December
D'Iberville, MS

Average daylight in December: 10h and 12min

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

Average sunshine in December: 5h and 6min

The month with the most sunshine is June (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
D'Iberville, MS

Average sunshine days in December: 15.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (4.9 days).

Average UV index in December
D'Iberville, MS

Average UV index in December: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

Average cloud cover in December
D'Iberville, MS

Average cloud cover in December: 44

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 23).

Average visibility in December
D'Iberville, 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).