December weather forecastCoram, NY
December
Weather in December
December, the first month of the winter in Coram, is still a chilly month, with an average temperature varying between 36.5°F (2.5°C) and 43.7°F (6.5°C).Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a cool 51.8°F (11°C) in November to a frosty 43.7°F (6.5°C). The temperature during December experiences a small drop from daytime peaks, recording an average of 36.5°F (2.5°C) at night.Humidity
In Coram, the average relative humidity in December is 73%.Rainfall
The month with the most rainfall is December, when the rain falls for 11.4 days and typically aggregates up to 3.58" (91mm) of precipitation.Snowfall
January through March, October through December are months with snowfall. In December, it is snowing for 1.5 days. Throughout December, 1.06" (27mm) of snow is accumulated. In Coram, during the entire year, snow falls for 12.6 days and aggregates up to 5.59" (142mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Coram.On the first day of the month, sunrise is at 6:57 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:34 pm EST.
Sunshine
The average sunshine in December in Coram is 4.8h.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 2 in December translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Coram, NY
- Average high temperature in December: 43.7°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 36.5°F
The months with the highest average low temperature are July and August (71.1°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).
Average pressure in December
Coram, NY
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Coram, NY
- Average wind speed in December: 12.7mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).
Average humidity in December
Coram, NY
- Average humidity in December: 73%
The months with the highest relative humidity are May and June (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Coram, NY
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is December (3.58").
The driest month (with the least rainfall) is January (2.05").
Average rainfall days in December
Coram, NY
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in December
Coram, NY
- Average snowfall in December: 1.06"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in December
Coram, NY
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Coram, 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 48min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Coram, NY
- Average sunshine days in December: 17.6 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in December
Coram, NY
- Average UV index in December: 2
The months with the highest UV index are June, July 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
Coram, NY
- Average cloud cover in December: 49
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Coram, NY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





