December weather forecast
Saint Gabriel, LA

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Weather in December

December, the first month of the winter in Saint Gabriel, is also an enjoyable month, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 46.9°F (8.3°C).

Temperature

With the commencement of December, Saint Gabriel records a moderate temperature decline, with the average high easing from November's agreeable 68.9°F (20.5°C) to a refreshing 61.9°F (16.6°C). During the nights in December, an average low-temperature of 46.9°F (8.3°C) is observed in Saint Gabriel.

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 81%.

Rainfall

In Saint Gabriel, during December, the rain falls for 14.3 days and regularly aggregates up to 3.43" (87mm) of precipitation. Throughout the year, there are 187.5 rainfall days, and 40" (1016mm) of precipitation is accumulated.

Snowfall

January and December are months with snowfall in Saint Gabriel, Louisiana. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Saint Gabriel, there are 0.4 snowfall days, and 0.24" (6mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
On the first day of the month, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:00 am and sunset at 5:14 pm CST.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

What is the usual temperature for Saint Gabriel in December?

The high-temperature, in December, in Saint Gabriel, is 61.9°F (16.6°C), while the low-temperature averages to 46.9°F (8.3°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in September is appraised at 105.8°F (41°C).

What is the most humid month in Saint Gabriel?

February and December, with an average relative humidity of 81%, are most humid months.

What is the average humidity in December in Saint Gabriel?

In December, the average relative humidity is 81%.

How much does it rain in Saint Gabriel in December?

In Saint Gabriel, during December, the rain falls for 14.3 days and regularly aggregates up to 3.43" (87mm) of precipitation.

When does it start to snow in Saint Gabriel?

December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 12min of daylight.

What is the average length of the day in December?

The average day length in December is 10h and 14min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

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

How long on average sun shines in December?

In Saint Gabriel, the average sunshine duration in December is 5h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Saint Gabriel, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Saint Gabriel, LA

Average temperature in December - Saint Gabriel, LA
  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in December: 46.9°F

The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average pressure in December
Saint Gabriel, LA

Average pressure in December - Saint Gabriel, 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 (29.96"Hg).

Average wind speed in December
Saint Gabriel, LA

Average wind speed in December - Saint Gabriel, LA
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Saint Gabriel, LA

Average humidity in December - Saint Gabriel, LA
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Saint Gabriel, LA

Average rainfall in December - Saint Gabriel, LA
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in December
Saint Gabriel, LA

Average rainfall days in December - Saint Gabriel, LA
  • Average rainfall days in December: 14.3 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Saint Gabriel, LA

Average snowfall in December - Saint Gabriel, LA
  • Average snowfall in December: 0.04"

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

Average snowfall days in December
Saint Gabriel, LA

Average snowfall days in December - Saint Gabriel, LA
  • Average snowfall days in December: 0.1 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 and November (0 days).

Average daylight in December /
Average sunshine in December
Saint Gabriel, LA

Average daylight in December / Average sunshine in December - Saint Gabriel, 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Saint Gabriel, LA

Average sunshine days in December - Saint Gabriel, LA
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).

Average UV index in December
Saint Gabriel, LA

Average UV index in December - Saint Gabriel, 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
Saint Gabriel, LA

Average cloud cover in December - Saint Gabriel, LA
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in December
Saint Gabriel, LA

Average visibility in December - Saint Gabriel, LA
  • Average visibility in December: 6mi

The months with the highest visibility are January, October, November and December (6mi).
The months with the lowest visibility are February, March, April, May, June, July, August and September (5mi).

Saint Gabriel, Louisiana, USA

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