December weather forecastDeer Park, NY
December
Weather in December
December, the first month of the winter in Deer Park, is still a chilly month, with an average temperature varying between 36.9°F (2.7°C) and 44.1°F (6.7°C).Temperature
The start of December comes with a small reduction in the average high-temperature, subtly receding from a cool 52.2°F (11.2°C) in November to a chilly 44.1°F (6.7°C). December nights experience a minor temperature downturn to a wintry 36.9°F (2.7°C).Humidity
In Deer Park, the average relative humidity in December is 74%.Rainfall
In Deer Park, in December, during 12.3 rainfall days, 3.78" (96mm) of precipitation is typically accumulated. In Deer Park, during the entire year, the rain falls for 157 days and collects up to 35.98" (914mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In December, it is snowing for 2.4 days. Throughout December, 1.34" (34mm) of snow is accumulated. In Deer Park, during the entire year, snow falls for 14.4 days and aggregates up to 6.06" (154mm) 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 December, sunrise is at 6:58 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:35 pm EST.
Sunshine
In Deer Park, the average sunshine in December is 5h.UV index
January through March 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 low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Deer Park, NY
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 36.9°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).
Average pressure in December
Deer Park, 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
Deer Park, NY
- Average wind speed in December: 13.1mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in December
Deer Park, NY
- Average humidity in December: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Deer Park, NY
- Average rainfall in December: 3.78"
The wettest month (with the highest rainfall) is July (3.98").
The driest month (with the least rainfall) is January (2.2").
Average rainfall days in December
Deer Park, NY
- Average rainfall days in December: 12.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in December
Deer Park, NY
- Average snowfall in December: 1.34"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Deer Park, NY
- Average snowfall days in December: 2.4 days
The month with the highest number of snowfall days is February (4.2 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
Deer Park, NY
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Deer Park, NY
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in December
Deer Park, 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 and December (UV index 2).
Average cloud cover in December
Deer Park, NY
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Deer Park, 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).
