December weather forecastMohegan Lake, NY
December
Weather in December
December, the first month of the winter in Mohegan Lake, is still a cold month, with an average temperature fluctuating between 39.9°F (4.4°C) and 28.8°F (-1.8°C).Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a frosty 49.5°F (9.7°C) in November to a wintry 39.9°F (4.4°C). Throughout the nights in December, an average low-temperature of 28.8°F (-1.8°C) is noted.Humidity
The months with the highest humidity are February, October and December, with an average relative humidity of 79%.Rainfall
In Mohegan Lake, in December, during 9.5 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. Throughout the year, in Mohegan Lake, there are 148.4 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Mohegan Lake, in December, during 4.7 snowfall days, 2.32" (59mm) of snow is typically accumulated. In Mohegan Lake, during the entire year, snow falls for 24.4 days and aggregates up to 12.87" (327mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:02 am and sunset at 4:26 pm. On the last day of December, sunrise is at 7:21 am and sunset at 4:36 pm EST.
Sunshine
In Mohegan Lake, the average sunshine in December is 4.9h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index of 2 during December leads to these instructions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mohegan Lake, NY
- Average high temperature in December: 39.9°F
The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (33.8°F).
- Average low temperature in December: 28.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).
Average pressure in December
Mohegan Lake, NY
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Mohegan Lake, NY
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Mohegan Lake, NY
- Average humidity in December: 79%
The months with the highest relative humidity are February, October and December (79%).
The month with the lowest relative humidity is April (73%).
Average rainfall in December
Mohegan Lake, NY
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is July (3.31").
The driest month (with the least rainfall) is February (1.81").
Average rainfall days in December
Mohegan Lake, NY
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Mohegan Lake, NY
- Average snowfall in December: 2.32"
The month with the highest snowfall is March (3.39").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Mohegan Lake, NY
- Average snowfall days in December: 4.7 days
The month with the highest number of snowfall days is February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Mohegan Lake, NY
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Mohegan Lake, NY
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Mohegan Lake, NY
- Average UV index in December: 2
The months with the highest UV index are June and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Mohegan Lake, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Mohegan Lake, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).





