December weather forecastPlattsburgh, NY
December
Weather in December
December in Plattsburgh welcomes winter fully with steady snowfall, chill temperatures, and reduced daylight hours. Unlike November, the snow now forms a consistent bulky layer, with the snow height peaking at 5.59" (142mm). The arrival of December paints a snow-covered landscape, signaling the perfect backdrop for the holiday season. Maintaining the supreme chill conditions, the weather prepares to step into a new year with January's continuance of the winter season.Temperature
December brings a decrease in the average high-temperature, falling from November's wintry 42.3°F (5.7°C) to a subzero cold 30.9°F (-0.6°C). In December, Plattsburgh encounters an average low-temperature of 20.7°F (-6.3°C) during the night.Humidity
In December, the average relative humidity is 83%.Rainfall
In Plattsburgh, during December, the rain falls for 11 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, in Plattsburgh, there are 162.6 rainfall days, and 27.6" (701mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Plattsburgh, New York, in December, during 14.5 snowfall days, 5.59" (142mm) of snow is typically accumulated. In Plattsburgh, New York, during the entire year, snow falls for 78.2 days and aggregates up to 37.13" (943mm) of snow.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year in Plattsburgh.On the first day of December in Plattsburgh, sunrise is at 7:11 am and sunset at 4:14 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 4:23 pm EST.
Sunshine
The average sunshine in December in Plattsburgh, New York, is 4h.UV index
January and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 1 during December translates into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. 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
Plattsburgh, NY
- Average high temperature in December: 30.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (24.8°F).
- Average low temperature in December: 20.7°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in December
Plattsburgh, 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
Plattsburgh, NY
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Plattsburgh, 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
Plattsburgh, NY
- Average rainfall in December: 2.09"
The wettest month (with the highest rainfall) is June (3.15").
The driest month (with the least rainfall) is February (1.73").
Average rainfall days in December
Plattsburgh, NY
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in December
Plattsburgh, NY
- Average snowfall in December: 5.59"
The month with the highest snowfall is February (10").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Plattsburgh, NY
- Average snowfall days in December: 14.5 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Plattsburgh, 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 August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in December
Plattsburgh, NY
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.6 days).
Average UV index in December
Plattsburgh, NY
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in December
Plattsburgh, 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, August and September (Cloud cover 31).
Average visibility in December
Plattsburgh, NY
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
