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
Mason's weather changes with the onset of December, slightly falling from a cool 52°F (11.1°C) in November to a cold 42.4°F (5.8°C). The nighttime temperature, during December, averages of 31.1°F (-0.5°C).Humidity
The months with the highest humidity in Mason are February and December, with an average relative humidity of 81%.Rainfall
In Mason, Kentucky, in December, it is raining for 11.9 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, there are 169.6 rainfall days, and 36.02" (915mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Mason, in December, snow falls for 8.5 days, with typically accumulated 2.09" (53mm) of snow. In Mason, during the entire year, snow falls for 37 days and aggregates up to 12.87" (327mm) of snow.Daylight
The month with the shortest days in Mason is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:37 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:55 am and sunset at 5:27 pm EST.
Sunshine
In December, the average sunshine in Mason is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Frequently asked questions
How cold is it in Mason in December?
What are the most humid months in Mason?
What is the average humidity in December in Mason?
How much does it rain in Mason in December?
How many days does it snow in December in Mason?
What is the month with the shortest days in Mason?
How many hours of daylight does Mason have in December?
When are sunrise and sunset in December 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, KY
- Average high temperature in December: 42.4°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in December
Mason, KY
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Mason, KY
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Mason, KY
- 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 August (74%).
Average rainfall in December
Mason, KY
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (2.13").
Average rainfall days in December
Mason, KY
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (10.6 days).
Average snowfall in December
Mason, KY
- Average snowfall in December: 2.09"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Mason, KY
- Average snowfall days in December: 8.5 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mason, KY
- Average daylight in December: 9h and 3min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Mason, KY
- Average sunshine days in December: 12.8 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is February (10.5 days).
Average UV index in December
Mason, KY
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Mason, KY
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Mason, KY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).
Mason, Kentucky, USA
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