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 is characterized by a slight reduction in average high-temperature, easing from a cool 53.6°F (12°C) in November to a frosty 44.8°F (7.1°C). During the month of December, Waltersville experiences a steady low-temperature average of 32.9°F (0.5°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 80%.Rainfall
In Waltersville, Kentucky, in December, during 13.6 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. In Waltersville, during the entire year, the rain falls for 174.3 days and collects up to 34.33" (872mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Waltersville, in December, snow falls for 6.9 days, with typically accumulated 2.28" (58mm) of snow. Throughout the year, there are 33.8 snowfall days, and 11.69" (297mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:33 am and sunset at 5:16 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:26 pm EST.
Sunshine
In Waltersville, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January, February, November 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 ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and 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?
Average temperature in December
Waltersville, KY
- Average high temperature in December: 44.8°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Waltersville, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Waltersville, KY
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Waltersville, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Waltersville, KY
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Waltersville, KY
- Average rainfall days in December: 13.6 days
The months with the highest number of rainy days are May and July (18.3 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Waltersville, KY
- Average snowfall in December: 2.28"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Waltersville, KY
- Average snowfall days in December: 6.9 days
The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Waltersville, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Waltersville, KY
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is November (16.4 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Waltersville, 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, November and December (UV index 2).
Average cloud cover in December
Waltersville, KY
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Waltersville, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
Waltersville, Kentucky, USA
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