Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from an agreeable 68.5°F (20.3°C) to an enjoyable 62.2°F (16.8°C). Folsom, during the nights of December, experiences an average temperature drop to a chilly 47.7°F (8.7°C).Humidity
The most humid month is December, with an average relative humidity of 79%.Rainfall
In Folsom, during December, the rain falls for 13.5 days and regularly aggregates up to 2.95" (75mm) of precipitation. Throughout the year, 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. Throughout December, in the average 0.2 snowfall days, it receives 0.12" (3mm) of snow. In Folsom, during the entire year, snow falls for 0.6 days and aggregates up to 0.43" (11mm) of snow.Daylight
December has the shortest days of the year in Folsom, 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
December has the least sunshine of the year, 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. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 3 translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December in Folsom?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Folsom have in December?
What time are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Folsom have in December?
When is the lowest UV index?
How high is the UV index in December in Folsom?
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).
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).
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).
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%).
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").
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).
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").
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).
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).
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).
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).
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).
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).
Folsom, Louisiana, USA
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