December weather forecastElmsford, NY
December
Weather in December
The first month of the winter, December, is still a cold month in Elmsford, New York, with an average temperature varying between 30.9°F (-0.6°C) and 41°F (5°C).Temperature
December brings a decrease in the average high-temperature, shifting from a cool 50.5°F (10.3°C) in November to an icy 41°F (5°C). In Elmsford, in December, the average low-temperature is a freezing cold 30.9°F (-0.6°C).Humidity
February and December, with an average relative humidity of 77%, are the most humid months.Rainfall
In Elmsford, in December, during 9.3 rainfall days, 1.57" (40mm) of precipitation is typically accumulated. In Elmsford, during the entire year, the rain falls for 132.4 days and collects up to 15.63" (397mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Elmsford, in December, during 3.4 snowfall days, 1.06" (27mm) of snow is typically accumulated. Throughout the year, there are 18.9 snowfall days, and 5.08" (129mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 7:01 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:20 am and sunset at 4:36 pm EST.
Sunshine
In Elmsford, 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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Elmsford, NY
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (23.9°F).
Average pressure in December
Elmsford, 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
Elmsford, NY
- Average wind speed in December: 7.9mph
The windiest months (with the highest average wind speed) are January and March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in December
Elmsford, NY
- Average humidity in December: 77%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in December
Elmsford, NY
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is February (0.83").
Average rainfall days in December
Elmsford, NY
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Elmsford, NY
- Average snowfall in December: 1.06"
The month with the highest snowfall is March (1.65").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Elmsford, NY
- Average snowfall days in December: 3.4 days
The month with the highest number of snowfall days is February (5.2 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
Elmsford, 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 42min).
Average sunshine days in December
Elmsford, NY
- Average sunshine days in December: 19.1 days
The month with the most sunshine days is November (21.2 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in December
Elmsford, 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
Elmsford, 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 31).
Average visibility in December
Elmsford, 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).
