December weather forecast
Waterproof, LA

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Weather in December

The first month of the winter, December, is still a mild month in Waterproof, Louisiana, with an average temperature varying between 44.1°F (6.7°C) and 58.6°F (14.8°C).

Temperature

Waterproof's December weather shows a modest shift in high-temperatures, falling from November's enjoyable 65.5°F (18.6°C) to a still refreshing 58.6°F (14.8°C). Throughout the month of December, Waterproof witnesses an average low-temperature of 44.1°F (6.7°C).

Humidity

In Waterproof, the average relative humidity in December is 81%.

Rainfall

In Waterproof, in December, during 10.9 rainfall days, 1.42" (36mm) of precipitation is typically accumulated. In Waterproof, during the entire year, the rain falls for 137.6 days and collects up to 18.23" (463mm) of precipitation.

Snowfall

January, February and December are months with snowfall in Waterproof. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.4 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 6min of daylight.
On the first day of December, sunrise is at 6:48 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:12 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 4.9h of sunshine.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Waterproof. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 3 during December leads to these instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the temperature in December?

During December, Waterproof experiences an average high-temperature of 58.6°F (14.8°C) and a low-temperature of 44.1°F (6.7°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is calculated to be 102.2°F (39°C).

What is the average humidity in December?

In December, the average relative humidity in Waterproof is 81%.

How many days does it rain in December?

In December, the rain falls for 10.9 days. Throughout December, 1.42" (36mm) of precipitation is accumulated.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.2 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 6min of daylight.

How many hours of daylight does Waterproof have in December?

In Waterproof, the average day length in December is 10h and 7min.

When are sunrise and sunset in December?

On the first day of December in Waterproof, sunrise is at 6:48 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:12 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4.9h of sunshine.

How long on average sun shines in December in Waterproof?

In December, the average sunshine duration is 4.9h.

When is the lowest UV index?

The months with the lowest UV index are January and December, with an average maximum UV index of 3.

What is the UV index intensity in December?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
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
Waterproof, LA

Average temperature in December - Waterproof, LA
  • Average high temperature in December: 58.6°F

The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (55.4°F).

  • Average low temperature in December: 44.1°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).

Average pressure in December
Waterproof, LA

Average pressure in December - Waterproof, LA
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in December
Waterproof, LA

Average wind speed in December - Waterproof, LA
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest months (with the lowest average wind speed) are July, August and September (5mph).

Average humidity in December
Waterproof, LA

Average humidity in December - Waterproof, LA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Waterproof, LA

Average rainfall in December - Waterproof, LA
  • Average rainfall in December: 1.42"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is November (0.91").

Average rainfall days in December
Waterproof, LA

Average rainfall days in December - Waterproof, LA
  • Average rainfall days in December: 10.9 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is November (7.1 days).

Average snowfall in December
Waterproof, LA

Average snowfall in December - Waterproof, LA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Waterproof, LA

Average snowfall days in December - Waterproof, LA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

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

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

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in December
Waterproof, LA

Average sunshine days in December - Waterproof, LA
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is August (11 days).

Average UV index in December
Waterproof, LA

Average UV index in December - Waterproof, LA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Waterproof, LA

Average cloud cover in December - Waterproof, LA
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).

Average visibility in December
Waterproof, LA

Average visibility in December - Waterproof, LA
  • Average visibility in December: 6mi

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

Waterproof, Louisiana, USA

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