December weather forecastWillsboro, NY
December
Weather in December
The first month of the winter, December, is still a freezing cold month in Willsboro, New York, with temperature in the range of an average low of 21°F (-6.1°C) and an average high of 31.1°F (-0.5°C).Temperature
A shift in Willsboro's weather is observed as November turns into December, with the average high temperature reducing from a cold 41.9°F (5.5°C) to a subzero cold 31.1°F (-0.5°C). The average temperature during December nights is registered at a still freezing cold 21°F (-6.1°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In Willsboro, in December, it is raining for 7.3 days, with typically 0.55" (14mm) of accumulated precipitation. In Willsboro, during the entire year, the rain falls for 112 days and collects up to 8.23" (209mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, in Willsboro, New York, it is snowing for 9.7 days. Throughout December, 1.34" (34mm) of snow is accumulated. In Willsboro, during the entire year, snow falls for 49.7 days and aggregates up to 8.27" (210mm) of snow.Daylight
December has the shortest days of the year, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:10 am and sunset at 4:15 pm. On the last day of the month, sunrise is at 7:29 am and sunset at 4:24 pm EST.
Sunshine
In Willsboro, the average sunshine in December is 4h.UV index
The month with the lowest UV index in Willsboro is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 1 in December transforms into the following instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Willsboro, NY
- Average high temperature in December: 31.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in December: 21°F
The month with the highest average low temperature is July (57.2°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in December
Willsboro, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Willsboro, NY
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in December
Willsboro, NY
- Average humidity in December: 83%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in December
Willsboro, NY
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is June (0.98").
The driest months (with the least rainfall) are January and September (0.47").
Average rainfall days in December
Willsboro, NY
- Average rainfall days in December: 7.3 days
The month with the highest number of rainy days is April (12.4 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in December
Willsboro, NY
- Average snowfall in December: 1.34"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Willsboro, NY
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Willsboro, NY
- Average daylight in December: 8h and 54min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 4h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in December
Willsboro, NY
- Average sunshine days in December: 18 days
The month with the most sunshine days is September (20.3 days).
The months with the least sunshine days are April and July (15.7 days).
Average UV index in December
Willsboro, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Willsboro, NY
- Average cloud cover in December: 60
The month with the most cloud cover is February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in December
Willsboro, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May and November (6mi).
The months with the lowest visibility are January, February, March, June, July, August, September, October and December (5mi).
