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
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 42.8°F (6°C) in November to a cold 32.4°F (0.2°C). The low temperature average during December reflects a slight decrease to a freezing cold 23.4°F (-4.8°C) from the day's peak.Humidity
The average relative humidity in December is 86%.Rainfall
In Clark Mills, in December, during 12.3 rainfall days, 3.46" (88mm) of precipitation is typically accumulated. In Clark Mills, during the entire year, the rain falls for 175.3 days and collects up to 38.9" (988mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Clark Mills, in December, during 16.8 snowfall days, 10.16" (258mm) of snow is typically accumulated. Throughout the year, there are 90 snowfall days, and 47.6" (1209mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:13 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:36 pm EST.
Sunshine
In December, the average sunshine is 2.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. During bright days, sunglasses that offer UVA and UVB defense are recommended. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Clark Mills, NY
- Average high temperature in December: 32.4°F
The warmest month (with the highest average high temperature) is July (77.9°F).
The month with the lowest average high temperature is January (26.4°F).
- Average low temperature in December: 23.4°F
The month with the highest average low temperature is July (57.9°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in December
Clark Mills, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in December
Clark Mills, NY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in December
Clark Mills, NY
- Average humidity in December: 86%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (78%).
Average rainfall in December
Clark Mills, NY
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is April (3.82").
The driest month (with the least rainfall) is September (2.6").
Average rainfall days in December
Clark Mills, NY
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in December
Clark Mills, NY
- Average snowfall in December: 10.16"
The month with the highest snowfall is January (11.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Clark Mills, NY
- Average snowfall days in December: 16.8 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Clark Mills, NY
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 2h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in December
Clark Mills, NY
- Average sunshine days in December: 7.3 days
The month with the most sunshine days is September (13.4 days).
The month with the least sunshine days is February (4.4 days).
Average UV index in December
Clark Mills, NY
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Clark Mills, NY
- Average cloud cover in December: 70
The month with the most cloud cover is February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Clark Mills, NY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January and February (4mi).
Clark Mills, New York, USA
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