December weather forecast
Gentilly, LA

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Weather in December

December, the first month of the winter in Gentilly, is still a comfortable month, with an average temperature fluctuating between 52°F (11.1°C) and 63.1°F (17.3°C).

Temperature

As December begins, there is a minor decrease in the average high-temperature, softly falling from a pleasant 68.5°F (20.3°C) in November to a comfortable 63.1°F (17.3°C). During the month of December, Gentilly experiences a steady low-temperature average of 52°F (11.1°C).

Humidity

With an average relative humidity of 77%, December is the most humid month in Gentilly, Louisiana.

Rainfall

In Gentilly, during December, the rain falls for 14.1 days and regularly aggregates up to 3.82" (97mm) of precipitation. In Gentilly, Louisiana, during the entire year, the rain falls for 178.6 days and collects up to 44.25" (1124mm) of precipitation.

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 6:39 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:11 pm CST.

Sunshine

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

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 3 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What is the usual temperature for Gentilly in December?

The average high-temperature and low-temperature during December are 63.1°F (17.3°C) and 52°F (11.1°C) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in September is evaluated at 98.6°F (37°C).

What is the most humid month in Gentilly?

December is the most humid month, with an average relative humidity of 77%.

What is the average humidity in December in Gentilly?

The average relative humidity in December in Gentilly is 77%.

How much does it rain in Gentilly in December?

In December, the rain falls for 14.1 days. Throughout December, 3.82" (97mm) of precipitation is accumulated.

What is the month with the shortest days in Gentilly?

The month with the shortest days in Gentilly is December, with an average of 10h and 18min of daylight.

What is the average length of the day in December in Gentilly?

In December, the average day length is 10h and 15min.

When are sunrise and sunset in December in Gentilly?

In December, on the first day of the month, sunrise is at 6:39 am and sunset at 5:00 pm. On the last day of the month, in Gentilly, Louisiana, sunrise is at 6:55 am and sunset at 5:11 pm CST.

What is the month with the least sunshine in Gentilly?

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

How long on average sun shines in December in Gentilly?

In December, the average sunshine duration is 5h.

What is the month with the lowest UV index in Gentilly?

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

What is the UV index intensity in December in Gentilly?

The average daily maximum UV index in December in Gentilly is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Gentilly, LA

Average temperature in December - Gentilly, LA
  • Average high temperature in December: 63.1°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (59.5°F).

  • Average low temperature in December: 52°F

The months with the highest average low temperature are July and August (79.3°F).
The coldest month (with the lowest average low temperature) is January (48°F).

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Average pressure in December
Gentilly, LA

Average pressure in December - Gentilly, LA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in December
Gentilly, LA

Average wind speed in December - Gentilly, LA
  • Average wind speed in December: 9.5mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).

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Average humidity in December
Gentilly, LA

Average humidity in December - Gentilly, LA
  • Average humidity in December: 77%

The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (70%).

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Average rainfall in December
Gentilly, LA

Average rainfall in December - Gentilly, LA
  • Average rainfall in December: 3.82"

The wettest month (with the highest rainfall) is July (6.1").
The driest month (with the least rainfall) is November (1.93").

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Average rainfall days in December
Gentilly, LA

Average rainfall days in December - Gentilly, LA
  • Average rainfall days in December: 14.1 days

The month with the highest number of rainy days is August (22.7 days).
The month with the least rainy days is November (8.5 days).

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Average daylight in December /
Average sunshine in December
Gentilly, LA

Average daylight in December / Average sunshine in December - Gentilly, 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 54min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in December
Gentilly, LA

Average sunshine days in December - Gentilly, LA
  • Average sunshine days in December: 15 days

The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is August (7.1 days).

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Average UV index in December
Gentilly, LA

Average UV index in December - Gentilly, 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
Gentilly, LA

Average cloud cover in December - Gentilly, 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 25).

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Average visibility in December
Gentilly, LA

Average visibility in December - Gentilly, 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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Gentilly, Louisiana, USA

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