Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
A minor decrease in the average high-temperature is observed in East Hampton, New York, during December, shifting from a cool 52.5°F (11.4°C) in November to a frosty 45.1°F (7.3°C). East Hampton's evenings during December maintain an average temperature of 38.1°F (3.4°C), aligning closely with the daytime temperatures.Humidity
The average relative humidity in December in East Hampton, New York, is 74%.Rainfall
December is the month with the most rainfall in East Hampton. Rain falls for 11.6 days and accumulates 3.54" (90mm) of precipitation.Snowfall
Months with snowfall in East Hampton are January through May, November and December. In East Hampton, during December, snow falls for 1.8 days and regularly aggregates up to 0.79" (20mm) of snow. Throughout the year, there are 12.6 snowfall days, and 5.94" (151mm) of snow is accumulated.Ocean temperature
In East Hampton, in December, the average water temperature is 50°F (10°C).Note: Dipping in 50°F (10°C) at temperatures less than 50°F (10°C) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
The month with the shortest days in East Hampton is December, with an average of 9h and 18min of daylight.On the first day of December, 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.UV index
The months with the lowest UV index in East Hampton, New York, are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 2 during December leads to these instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in East Hampton?
What is the average humidity in December in East Hampton?
What is the wettest month in East Hampton?
How many days does it rain in December in East Hampton?
How many days does it snow in December in East Hampton?
What is the ocean temperature in December in East Hampton?
What is the month with the shortest days in East Hampton?
What is the average length of the day in December in East Hampton?
When is the sunrise / sunset in December in East Hampton?
What is the month with the least sunshine in East Hampton?
How long on average sun shines in December in East Hampton?
What are the months with the lowest UV index in East Hampton?
How high is the UV index in December in East Hampton?
Average temperature in December
East Hampton, 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
East Hampton, 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
East Hampton, 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
East Hampton, 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
East Hampton, 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
East Hampton, 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
East Hampton, 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
East Hampton, 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 sea temperature in December
East Hampton, NY
- Average sea temperature in December: 50°F
The best month for swimming (with the highest average sea temperature) is August (72°F).
The coldest months (with the lowest average sea temperature) are February and March (41°F).
Average daylight in December /
Average sunshine in December
East Hampton, NY
- Average daylight in December: 9h and 2min
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 4min
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
East Hampton, 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
East Hampton, 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 Hampton, 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
East Hampton, 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).