December weather forecastCliff Haven, NY
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Cliff Haven, New York, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 20.7°F (-6.3°C).Temperature
The arrival of December indicates a decrease in the average high-temperature, moving from a wintry 42.3°F (5.7°C) in November to a subzero cold 30.9°F (-0.6°C). During December, the average low-temperature is a still freezing cold 20.7°F (-6.3°C).Humidity
In December, the average relative humidity is 83%.Rainfall
In Cliff Haven, during December, the rain falls for 11 days and regularly aggregates up to 2.09" (53mm) of precipitation. In Cliff Haven, during the entire year, the rain falls for 162.6 days and collects up to 27.6" (701mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Cliff Haven, in December, snow falls for 14.5 days, with typically accumulated 5.59" (142mm) of snow. In Cliff Haven, New York, 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 4:14 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:23 pm EST.
Sunshine
In Cliff Haven, 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 minimal health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 1 in December converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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
Cliff Haven, 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).





