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
The transition into December indicates a reduction in the average high-temperature, down to a chilly 45.9°F (7.7°C) from November's fresh 55.2°F (12.9°C). During the nights in December, the temperature averages to a wintry 34°F (1.1°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Sandy, in December, it is raining for 12.5 days, with typically 2.56" (65mm) of accumulated precipitation. Throughout the year, there are 165 rainfall days, and 31.57" (802mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Sandy, during December, snow falls for 3.6 days and regularly aggregates up to 0.75" (19mm) of snow. In Sandy, Kentucky, during the entire year, snow falls for 19.1 days and aggregates up to 6.42" (163mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Sandy.On the first day of December, sunrise is at 6:45 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sandy in December?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in Sandy in December?
What is the month with the shortest days?
How many hours of daylight does Sandy have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December in Sandy?
Average temperature in December
Sandy, KY
- Average high temperature in December: 45.9°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.8°F).
- Average low temperature in December: 34°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Sandy, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Sandy, KY
- Average wind speed in December: 8.3mph
The windiest months (with the highest average wind speed) are February and April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Sandy, KY
- Average humidity in December: 78%
The months with the highest relative humidity are February and May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Sandy, KY
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is February (3.35").
The driest month (with the least rainfall) is September (1.65").
Average rainfall days in December
Sandy, KY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (10.4 days).
Average snowfall in December
Sandy, KY
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Sandy, KY
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (5.8 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
Sandy, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 24min).
Average sunshine days in December
Sandy, KY
- Average sunshine days in December: 15.1 days
The month with the most sunshine days is November (18.1 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Sandy, KY
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Sandy, KY
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Sandy, KY
- 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).
Sandy, Kentucky, USA
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