December weather forecastEast Shoreham, NY
December
Weather in December
The first month of the winter, December, is also a frosty month in East Shoreham, New York, with an average temperature ranging between min 36.5°F (2.5°C) and max 43.9°F (6.6°C).Temperature
December brings a minor shift in the average high-temperature, adjusting from a fresh 52.3°F (11.3°C) in November to a chilly 43.9°F (6.6°C). East Shoreham records a mild decrease in temperature during the nights of December, averaging a cold 36.5°F (2.5°C).Humidity
In East Shoreham, the average relative humidity in December is 73%.Rainfall
December is the month with the most rainfall. Rain falls for 12.1 days and accumulates 3.82" (97mm) of precipitation.Snowfall
January through March, May and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 1.14" (29mm) of snow. Throughout the year, there are 14.9 snowfall days, and 5.71" (145mm) 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 6:57 am and sunset at 4:24 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:33 pm EST.
Sunshine
In December, the average sunshine is 4.8h.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 minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 2 in December translates into the following instructions:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
East Shoreham, NY
- Average high temperature in December: 43.9°F
The warmest months (with the highest average high temperature) are July and August (78.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 36.5°F
The months with the highest average low temperature are July and August (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in December
East Shoreham, 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
East Shoreham, NY
- Average wind speed in December: 13.2mph
The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.7mph).
Average humidity in December
East Shoreham, NY
- Average humidity in December: 73%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in December
East Shoreham, 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 January (2.24").
Average rainfall days in December
East Shoreham, NY
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (8 days).
Average snowfall in December
East Shoreham, NY
- Average snowfall in December: 1.14"
The month with the highest snowfall is March (2.17").
The months with the least snowfall are April, June, July, August, September, October and November (0").
Average snowfall days in December
East Shoreham, NY
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is February (4.6 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
East Shoreham, 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
East Shoreham, NY
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (19.3 days).
The month with the least sunshine days is August (12.5 days).
Average UV index in December
East Shoreham, 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
East Shoreham, NY
- Average cloud cover in December: 50
The month with the most cloud cover is December (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
East Shoreham, 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).





