December weather forecastAmagansett, NY
December
Weather in December
The first month of the winter, December, is also a frosty month in Amagansett, New York, with an average temperature fluctuating between 38.1°F (3.4°C) and 45.1°F (7.3°C).Temperature
Amagansett in December undergoes a slight reduction in the average high-temperature, shifting from November's fresh 52.5°F (11.4°C) to a chilly 45.1°F (7.3°C). Amagansett experiences a subtle drop in temperature during the December nights, recording an average of 38.1°F (3.4°C).Humidity
In December, the average relative humidity is 74%.Rainfall
December is the month with the most rainfall. Rain falls for 11.6 days and accumulates 3.54" (90mm) of precipitation.Snowfall
Months with snowfall in Amagansett are January through May, November and December. In December, in Amagansett, it is snowing for 1.8 days. Throughout December, 0.79" (20mm) of snow is accumulated. Throughout the year, there are 12.6 snowfall days, and 5.94" (151mm) of snow is accumulated.Daylight
With an average of 9h and 18min of daylight, December has the shortest days of the year in Amagansett, New York.On the first day of December in Amagansett, sunrise is at 6:54 am and sunset at 4:21 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:30 pm EST.
Sunshine
With an average of 4.6h of sunshine, December has the least sunshine of the year in Amagansett.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Amagansett. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Amagansett, NY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is August (75.4°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 38.1°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 (31.1°F).
Average pressure in December
Amagansett, 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
Amagansett, NY
- Average wind speed in December: 16mph
The windiest month (with the highest average wind speed) is January (16.4mph).
The calmest month (with the lowest average wind speed) is July (10.8mph).
Average humidity in December
Amagansett, NY
- Average humidity in December: 74%
The months with the highest relative humidity are May and June (82%).
The month with the lowest relative humidity is November (72%).
Average rainfall in December
Amagansett, NY
- Average rainfall in December: 3.54"
The wettest month (with the highest rainfall) is December (3.54").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in December
Amagansett, NY
- Average rainfall days in December: 11.6 days
The months with the highest number of rainy days are July and August (15.5 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Amagansett, NY
- Average snowfall in December: 0.79"
The month with the highest snowfall is March (1.97").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Amagansett, NY
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (3.9 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
Amagansett, 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 month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in December
Amagansett, NY
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is November (18.4 days).
The months with the least sunshine days are July and August (13.3 days).
Average UV index in December
Amagansett, 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
Amagansett, NY
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in December
Amagansett, 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).
