December weather forecast
Jennings, LA

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Weather in December

December marks the onset of the coldest time of the year in Jennings, Louisiana. A perceptible freshness in the air signals the commencement of winter and an end to the dynamic weather cycle. Despite the drop in temperature to a low of 47.8°F (8.8°C), both snowfall and daylight are virtually nonexistent. The serene environment holds a tranquilizing effect while the pronounced sense of cold is as evident as the diminishing sunlight. The city gets cloaked in a wintry veil, encapsulating the essence of the season.

Temperature

December in Jennings reveals a small adjustment in temperature, transitioning from an average high of an agreeable 68.2°F (20.1°C) in November to a comfortable 61.5°F (16.4°C). In December, Jennings reports a consistent average low-temperature of 47.8°F (8.8°C) during the nights.

Humidity

In December, the average relative humidity in Jennings is 79%.

Rainfall

In Jennings, in December, it is raining for 12.4 days, with typically 2.09" (53mm) of accumulated precipitation. In Jennings, during the entire year, the rain falls for 156.6 days and collects up to 26.34" (669mm) of precipitation.

Snowfall

In Jennings, snow does not fall in February through December.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of December, sunrise is at 6:49 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:21 pm CST.

Sunshine

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

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
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Frequently asked questions

What are the temperatures in Jennings in December?

Jennings in December has an average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 47.8°F (8.8°C). The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in September is computed to be 100.4°F (38°C).

What is the average humidity in December in Jennings?

In Jennings, Louisiana, the average relative humidity in December is 79%.

How much does it rain in Jennings in December?

In Jennings, Louisiana, in December, it is raining for 12.4 days, with typically 2.09" (53mm) of accumulated precipitation.

When it does not snow in Jennings?

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

Does it snow in Jennings in December?

In Jennings, Louisiana, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Jennings?

With an average of 10h and 12min of daylight, December has the shortest days of the year in Jennings, Louisiana.

How many hours of daylight does Jennings have in December?

In December, the average day length in Jennings is 10h and 14min.

What time are sunrise and sunset in December in Jennings?

On the first day of December in Jennings, Louisiana, sunrise is at 6:49 am and sunset at 5:09 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 5:21 pm CST.

What is the month with the least sunshine in Jennings?

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

How long on average sun shines in December in Jennings?

In December, the average sunshine duration in Jennings is 5.1h.

When is the lowest UV index in Jennings?

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

What is the UV index intensity in December in Jennings?

In December, the average daily maximum UV index in Jennings is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
68.2°F 20.1°C
61.5°F 16.4°C
59°F 15°C
Average low temperature
52.2°F 11.2°C
47.8°F 8.8°C
44.2°F 6.8°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.16" 766mmHg
Average wind speed
8mph 12.9km/h
8.6mph 13.8km/h
8.7mph 14km/h
Average max. wind speed
8.6mph 13.8km/h
9.2mph 14.8km/h
9.3mph 15km/h
Average wind speed gusts
13.2mph 21.2km/h
14.1mph 22.7km/h
14.1mph 22.7km/h
Average humidity
74%
79%
77%
Average rainfall
1.93" 49mm
2.09" 53mm
2.32" 59mm
Average rainfall days
9.3
12.4
10.4
Average snowfall
0" 0mm
0" 0mm
0.12" 3mm
Average snowfall days
0
0
0.3
Average daylight
10h 4min
10h 1min
10h 3min
Average sunshine
5h 5min
5h 1min
5h 3min
Average sunshine days
19.3
16.5
19
Average UV index
4
3
4
Average cloud cover
34%
45%
39%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in December
Jennings, LA

Average temperature in December - Jennings, LA
  • Average high temperature in December: 61.5°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°F).

  • Average low temperature in December: 47.8°F

The months with the highest average low temperature are July and August (75.2°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).

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Average pressure in December
Jennings, LA

Average pressure in December - Jennings, 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 (29.94"Hg).

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Average wind speed in December
Jennings, LA

Average wind speed in December - Jennings, LA
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

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Average humidity in December
Jennings, LA

Average humidity in December - Jennings, LA
  • Average humidity in December: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Jennings, LA

Average rainfall in December - Jennings, LA
  • Average rainfall in December: 2.09"

The wettest month (with the highest rainfall) is August (3.58").
The driest month (with the least rainfall) is February (1.61").

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Average rainfall days in December
Jennings, LA

Average rainfall days in December - Jennings, LA
  • Average rainfall days in December: 12.4 days

The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is November (9.3 days).

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Average snowfall in December
Jennings, LA

Average snowfall in December - Jennings, LA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Jennings, LA

Average snowfall days in December - Jennings, LA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.3 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
Jennings, LA

Average daylight in December / Average sunshine in December - Jennings, LA
  • Average daylight in December: 10h and 1min

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 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Jennings, LA

Average sunshine days in December - Jennings, LA
  • Average sunshine days in December: 16.5 days

The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (9.9 days).

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Average UV index in December
Jennings, LA

Average UV index in December - Jennings, 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
Jennings, LA

Average cloud cover in December - Jennings, LA
  • Average cloud cover in December: 45

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

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Average visibility in December
Jennings, LA

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

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