December weather forecastSouth Plattsburgh, NY
December
Weather in December
December, the first month of the winter in South Plattsburgh, is also a subzero cold month, with an average temperature fluctuating between 30.9°F (-0.6°C) and 20.7°F (-6.3°C).Temperature
In South Plattsburgh, the beginning of December is marked by a lowered average high-temperature, shifting from November's cold 42.3°F (5.7°C) to a freezing cold 30.9°F (-0.6°C). Throughout December, South Plattsburgh anticipates an average low-temperature of 20.7°F (-6.3°C).Humidity
In December, the average relative humidity in South Plattsburgh, New York, is 83%.Rainfall
In December, the rain falls for 11 days. Throughout December, 2.09" (53mm) of precipitation is accumulated. Throughout the year, 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 December, it is snowing for 14.5 days. Throughout December, 5.59" (142mm) of snow is accumulated. In South Plattsburgh, during the entire year, snow falls for 78.2 days and aggregates up to 37.13" (943mm) of snow.Daylight
The month with the shortest days is December, with an average of 8h and 54min of daylight.On the first day of the month, sunrise is at 7:11 am and sunset at 4:15 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:23 pm EST.
Sunshine
The average sunshine in December 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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 1 turns into the following recommendations:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. When the Sun is at its strongest around midday, find shade and limit exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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
South 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).
