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
December witnesses a gentle descent in average high-temperature, descending from November's comfortable 64.9°F (18.3°C) to a moderate 57°F (13.9°C). In the month of December, Mason experiences an average low-temperature of 43.7°F (6.5°C).Humidity
In Mason, the average relative humidity in December is 80%.Rainfall
In Mason, in December, during 13 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. Throughout the year, there are 163.6 rainfall days, and 37.48" (952mm) of precipitation is accumulated.Snowfall
Months with snowfall in Mason are January through March and December. December is the first month it typically snows in Mason. Throughout December, in the average 0.4 snowfall days, it receives 0.08" (2mm) of snow. In Mason, during the entire year, snow falls for 1.9 days and aggregates up to 0.87" (22mm) of snow.Daylight
With an average of 10h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:50 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:08 am and sunset at 5:13 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h of sunshine.UV index
The months with the lowest UV index in Mason are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the UV index of 3 transforms into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Mason in December?
What is the average humidity in December in Mason?
How many days does it rain in December in Mason?
When does it start snowing in Mason?
What is the month with the shortest days in Mason?
What is the average length of the day in December in Mason?
What time are sunrise and sunset in December in Mason?
What is the month with the least sunshine in Mason?
How long on average sun shines in December in Mason?
When is the lowest UV index in Mason?
What is the UV index reading in December in Mason?
Average temperature in December
Mason, LA
- Average high temperature in December: 57°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (54.7°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.9°F).
Average pressure in December
Mason, LA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Mason, LA
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest month (with the lowest average wind speed) is September (5.3mph).
Average humidity in December
Mason, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Mason, LA
- Average rainfall in December: 3.35"
The wettest month (with the highest rainfall) is April (3.54").
The driest months (with the least rainfall) are September and November (2.28").
Average rainfall days in December
Mason, LA
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Mason, LA
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mason, LA
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Mason, 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
Mason, LA
- Average sunshine days in December: 15.7 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is August (11.3 days).
Average UV index in December
Mason, 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
Mason, LA
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and October (Cloud cover 27).
Average visibility in December
Mason, 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).
Mason, Louisiana, USA
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