December weather forecastNassau Farms, NY
December
Weather in December
The first month of the winter, December, is also a frosty month in Nassau Farms, New York, with an average temperature varying between 37.9°F (3.3°C) and 45°F (7.2°C).Temperature
December brings a slight decrease in temperature, down from a fresh 52.7°F (11.5°C) in November to a frosty 45°F (7.2°C). Nassau Farms observes a minimal variance in temperature, with a consistent average low of 37.9°F (3.3°C) during the nights of December.Humidity
In Nassau Farms, the average relative humidity in December is 74%.Rainfall
December is the month with the most rainfall in Nassau Farms. Rain falls for 12.8 days and accumulates 3.82" (97mm) of precipitation.Snowfall
Months with snowfall in Nassau Farms, New York, are January through March, November and December. In Nassau Farms, in December, during 2.3 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Nassau Farms, New York, during the entire year, snow falls for 13.9 days and aggregates up to 6.61" (168mm) of snow.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Nassau Farms.On the first day of December, sunrise is at 6:55 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:31 pm EST.
Sunshine
With an average of 4.6h of sunshine, December has the least sunshine of the year in Nassau Farms.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Nassau Farms. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: In December, an average UV index of 2 transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nassau Farms, NY
- Average high temperature in December: 45°F
The warmest month (with the highest average high temperature) is August (75.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 37.9°F
The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).
Average pressure in December
Nassau Farms, NY
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Nassau Farms, NY
- Average wind speed in December: 15.7mph
The windiest month (with the highest average wind speed) is January (16mph).
The calmest month (with the lowest average wind speed) is July (10.4mph).
Average humidity in December
Nassau Farms, NY
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (81%).
The month with the lowest relative humidity is November (72%).
Average rainfall in December
Nassau Farms, NY
- Average rainfall in December: 3.82"
The wettest month (with the highest rainfall) is December (3.82").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Nassau Farms, NY
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Nassau Farms, NY
- Average snowfall in December: 0.91"
The month with the highest snowfall is March (2.36").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Nassau Farms, NY
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Nassau Farms, 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 36min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Nassau Farms, NY
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (12.8 days).
Average UV index in December
Nassau Farms, 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
Nassau Farms, NY
- Average cloud cover in December: 52
The month with the most cloud cover is December (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Nassau Farms, 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).
