December weather forecast
New Iberia, LA

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Weather in December

New Iberia ends the year with the arrival of winter. Temperatures dip sharply compared to November, reaching an average high and low of 62.2°F (16.8°C) and 48.7°F (9.3°C) respectively, marking the advent of winter. The city experiences a slight increase in rainfall, measuring up to 1.1" (28mm). Cloud percentage climbs to 47%, securing the highest of the year, sheathing the city in an overcast : it's winter indeed. The year concludes on a windy note with an average speed of 8.1mph (13km/h), adding a distinct chill to the air.

Temperature

With the onset of December, New Iberia experiences a modest temperature adjustment, with the average high-temperature gently receding from an agreeable 68.9°F (20.5°C) in November to a refreshing 62.2°F (16.8°C). During the month of December, the temperature in New Iberia falls to an average of 48.7°F (9.3°C).

Humidity

The average relative humidity in December in New Iberia is 79%.

Rainfall

In December, the rain falls for 9.9 days. Throughout December, 1.1" (28mm) of precipitation is accumulated. In New Iberia, during the entire year, the rain falls for 129.6 days and collects up to 15.83" (402mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

December has the shortest days of the year, with an average of 10h and 18min of daylight.
On the first day of December in New Iberia, sunrise is at 6:46 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:18 pm CST.

Sunshine

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: The UV index of 3 during December leads to these advisories:
Make use of precautions - It is urged to ward off sun damage. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What are December temperatures in New Iberia?

During December, New Iberia experiences an average high-temperature of 62.2°F (16.8°C) and a low-temperature of 48.7°F (9.3°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 102.2°F (39°C).

What is the average humidity in December in New Iberia?

The average relative humidity in December is 79%.

How much does it rain in New Iberia in December?

In New Iberia, Louisiana, in December, it is raining for 9.9 days, with typically 1.1" (28mm) of accumulated precipitation.

When it does not snow in New Iberia?

In New Iberia, Louisiana, snow does not fall in February through December.

Does it snow in New Iberia in December?

In New Iberia, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in New Iberia?

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

How many hours of daylight does New Iberia have in December?

In New Iberia, Louisiana, the average day length in December is 10h and 15min.

When is the sunrise / sunset in December in New Iberia?

In December, on the first day of the month, sunrise is at 6:46 am and sunset at 5:07 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 5:18 pm CST.

What is the month with the least sunshine in New Iberia?

With an average of 5h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December in New Iberia?

In December, the average sunshine duration in New Iberia is 5h.

When is the lowest UV index in New Iberia?

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

What is the UV index reading in December in New Iberia?

In New Iberia, Louisiana, the average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to UV radiation.
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
New Iberia, LA

Average temperature in December - New Iberia, LA
  • Average high temperature in December: 62.2°F

The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in December: 48.7°F

The month with the highest average low temperature is August (75.4°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).

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Average pressure in December
New Iberia, LA

Average pressure in December - New Iberia, LA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
New Iberia, LA

Average wind speed in December - New Iberia, LA
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.5mph).

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Average humidity in December
New Iberia, LA

Average humidity in December - New Iberia, LA
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (73%).

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Average rainfall in December
New Iberia, LA

Average rainfall in December - New Iberia, LA
  • Average rainfall in December: 1.1"

The wettest month (with the highest rainfall) is August (2.44").
The driest month (with the least rainfall) is March (0.71").

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Average rainfall days in December
New Iberia, LA

Average rainfall days in December - New Iberia, LA
  • Average rainfall days in December: 9.9 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall days in December
New Iberia, LA

Average snowfall days in December - New Iberia, LA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
New Iberia, LA

Average daylight in December / Average sunshine in December - New Iberia, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in December
New Iberia, LA

Average sunshine days in December - New Iberia, LA
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is August (10.5 days).

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Average UV index in December
New Iberia, LA

Average UV index in December - New Iberia, 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).

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Average cloud cover in December
New Iberia, LA

Average cloud cover in December - New Iberia, LA
  • Average cloud cover in December: 47

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).

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Average visibility in December
New Iberia, LA

Average visibility in December - New Iberia, 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).

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New Iberia, Louisiana, USA

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