December weather forecastPlainedge, NY
December
Weather in December
December, the first month of the winter in Plainedge, is also a frosty month, with an average temperature ranging between min 36.3°F (2.4°C) and max 43.5°F (6.4°C).Temperature
December brings a minor shift in the average high-temperature, adjusting from a cool 51.4°F (10.8°C) in November to a chilly 43.5°F (6.4°C). Plainedge nights in December witness a mild cool down to an average temperature of 36.3°F (2.4°C).Humidity
In December, the average relative humidity in Plainedge, New York, is 74%.Rainfall
In Plainedge, in December, during 12.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 157 rainfall days, and 31.54" (801mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall in Plainedge. In December, it is snowing for 2.6 days. Throughout December, 0.71" (18mm) of snow is accumulated. Throughout the year, in Plainedge, there are 17.3 snowfall days, and 4.25" (108mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 6:59 am and sunset at 4:27 pm. On the last day of December, sunrise is at 7:17 am and sunset at 4:36 pm EST.
Sunshine
The average sunshine in December is 4.9h.UV index
The months with the lowest UV index in Plainedge are January through March and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plainedge, NY
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (37.6°F).
- Average low temperature in December: 36.3°F
The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in December
Plainedge, 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
Plainedge, NY
- Average wind speed in December: 12.5mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.6mph).
Average humidity in December
Plainedge, NY
- Average humidity in December: 74%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
Plainedge, NY
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in December
Plainedge, NY
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Plainedge, NY
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Plainedge, NY
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (5.5 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
Plainedge, 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: 4h and 54min
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 42min).
Average sunshine days in December
Plainedge, NY
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is July (12.3 days).
Average UV index in December
Plainedge, 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
Plainedge, NY
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Plainedge, 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).





