December weather forecast
Folsom, LA

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Weather in December

December, the first month of the winter in Folsom, is still a comfortable month, with an average temperature varying between 47.7°F (8.7°C) and 62.2°F (16.8°C).

Temperature

A moderate decline in average high-temperatures is noted in December, moving from a pleasant 68.5°F (20.3°C) in November to an enjoyable 62.2°F (16.8°C). Throughout the month of December, the average temperature in Folsom dips to a chilly 47.7°F (8.7°C) at night.

Humidity

The most humid month is December, with an average relative humidity of 79%.

Rainfall

In Folsom, in December, during 13.5 rainfall days, 2.95" (75mm) of precipitation is typically accumulated. Throughout the year, in Folsom, there are 168.3 rainfall days, and 30.63" (778mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Folsom are January and December. December is the first month it typically snows in Folsom, Louisiana. Throughout December, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 0.6 snowfall days, and 0.43" (11mm) 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 December, sunrise is at 6:40 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:10 pm CST.

Sunshine

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

UV index

The months with the lowest UV index in Folsom are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: A daily maximum UV index of 3 in December translates into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What is the temperature in December in Folsom?

In December, in Folsom, the average high-temperature is 62.2°F (16.8°C), and the average low-temperature is 47.7°F (8.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is estimated at 104°F (40°C).

What is the most humid month in Folsom?

With an average relative humidity of 79%, December is the most humid month.

What is the average humidity in December in Folsom?

The average relative humidity in December in Folsom is 79%.

How much does it rain in Folsom in December?

In Folsom, Louisiana, in December, during 13.5 rainfall days, 2.95" (75mm) of precipitation is typically accumulated.

When does it start snowing in Folsom?

December is the first month it typically snows in Folsom. Throughout December, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days in Folsom?

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

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

In Folsom, Louisiana, the average day length in December is 10h and 13min.

When is the sunrise / sunset in December in Folsom?

On the first day of December in Folsom, sunrise is at 6:40 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:10 pm CST.

What is the month with the least sunshine in Folsom?

With an average of 4.9h of sunshine, December has the least sunshine of the year in Folsom, Louisiana.

How many hours of sunshine does Folsom have in December?

In Folsom, Louisiana, the average sunshine duration in December is 4.9h.

When is the lowest UV index in Folsom?

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

How high is the UV index in December in Folsom?

In December, the average daily maximum UV index in Folsom, Louisiana, is 3. A UV Index estimate of 3 to 5 represents a medium hazard to health 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
Folsom, LA

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

The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (59.4°F).

  • Average low temperature in December: 47.7°F

The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (43.3°F).

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Average pressure in December
Folsom, LA

Average pressure in December - Folsom, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).

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Average wind speed in December
Folsom, LA

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

The windiest month (with the highest average wind speed) is April (7mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in December
Folsom, LA

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

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Folsom, LA

Average rainfall in December - Folsom, LA
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is August (4.76").
The driest month (with the least rainfall) is November (1.3").

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Average rainfall days in December
Folsom, LA

Average rainfall days in December - Folsom, LA
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is August (21.9 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in December
Folsom, LA

Average snowfall in December - Folsom, LA
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (0.31").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Folsom, LA

Average snowfall days in December - Folsom, LA
  • Average snowfall days in December: 0.2 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, October and November (0 days).

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

Average daylight in December / Average sunshine in December - Folsom, 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: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Folsom, LA

Average sunshine days in December - Folsom, LA
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is August (6.5 days).

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Average UV index in December
Folsom, LA

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

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

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Average cloud cover in December
Folsom, LA

Average cloud cover in December - Folsom, LA
  • Average cloud cover in December: 49

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 27).

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Average visibility in December
Folsom, LA

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

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