December weather forecastRay Brook, NY
December
Weather in December
December, the first month of the winter in Ray Brook, is also a subzero cold month, with an average temperature fluctuating between 17.8°F (-7.9°C) and 27.9°F (-2.3°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's cold 38.3°F (3.5°C) to a subzero cold 27.9°F (-2.3°C). December generally records an average low-temperature of 17.8°F (-7.9°C).Humidity
The average relative humidity in December is 88%.Rainfall
In December, the rain falls for 9 days. Throughout December, 2.91" (74mm) of precipitation is accumulated. Throughout the year, in Ray Brook, there are 168.6 rainfall days, and 36.5" (927mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Ray Brook, in December, during 22.3 snowfall days, 12.91" (328mm) of snow is typically accumulated. In Ray Brook, during the entire year, snow falls for 120.6 days and aggregates up to 82.28" (2090mm) of snow.Daylight
The month with the shortest days in Ray Brook is December, with an average of 8h and 54min of daylight.On the first day of December, sunrise is at 7:12 am and sunset at 4:18 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:27 pm EST.
Sunshine
In Ray Brook, the average sunshine in December is 2.8h.UV index
The months with the lowest UV index in Ray Brook are January, February, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: In December, the UV index of 1 transforms into the following advice:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ray Brook, NY
- Average high temperature in December: 27.9°F
The warmest month (with the highest average high temperature) is July (74.8°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in December: 17.8°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (9.5°F).
Average pressure in December
Ray Brook, 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
Ray Brook, NY
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest months (with the lowest average wind speed) are August and September (5.7mph).
Average humidity in December
Ray Brook, NY
- Average humidity in December: 88%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is May (78%).
Average rainfall in December
Ray Brook, NY
- Average rainfall in December: 2.91"
The wettest month (with the highest rainfall) is May (3.86").
The driest month (with the least rainfall) is September (2.28").
Average rainfall days in December
Ray Brook, NY
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in December
Ray Brook, NY
- Average snowfall in December: 12.91"
The month with the highest snowfall is February (15.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Ray Brook, NY
- Average snowfall days in December: 22.3 days
The month with the highest number of snowfall days is January (23.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in December /
Average sunshine in December
Ray Brook, 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: 2h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 2h and 12min).
Average sunshine days in December
Ray Brook, NY
- Average sunshine days in December: 6.2 days
The month with the most sunshine days is September (12.7 days).
The month with the least sunshine days is February (4.7 days).
Average UV index in December
Ray Brook, NY
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Ray Brook, NY
- Average cloud cover in December: 75
The month with the most cloud cover is February (Cloud cover 80).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in December
Ray Brook, NY
- Average visibility in December: 4mi
The months with the highest visibility are April, May, June, July, August and September (5mi).
The months with the lowest visibility are January, February, March, October, November and December (4mi).





