January weather forecastEast Hampton, NY
January
Weather in January
The outset of the year brings forth a chilly atmosphere in East Hampton, New York, with a noticeable dip from December's slightly warmer conditions. The ground may be covered in snow, reinforcing the chill that blows through the town. A majority of days are overcast, holding back the winter sunshine. The occasional rainfall and snowfall contribute to January having the least daylight hours, with a total of just 9.6 hours per day to be exact. Overall, January's weather represents a typical Northeast winter, with temperatures ranging from a cool 31.1°F (-0.5°C) to a high of just 38.8°F (3.8°C).Temperature
With average high and low temperatures of 38.8°F (3.8°C) and 31.1°F (-0.5°C) respectively, January is East Hampton's coldest month.Humidity
The average relative humidity in January is 73%.Rainfall
In East Hampton, in January, it is raining for 8.3 days, with typically 2.28" (58mm) of accumulated precipitation. Throughout the year, there are 148 rainfall days, and 33.07" (840mm) of precipitation is accumulated.Snowfall
January through May, November and December are months with snowfall. In January, in East Hampton, New York, it is snowing for 3.9 days. Throughout January, 1.54" (39mm) of snow is accumulated. Throughout the year, there are 12.6 snowfall days, and 5.94" (151mm) of snow is accumulated.Ocean temperature
In East Hampton, the average seawater temperature in January is 44.6°F (7°C).Note: Beware of 44.6°F (7°C) waters at 55.4°F (13°C), they're uninviting, and a dip below 50°F (10°C) has risks of breath loss and cold shock, contingent on health.
Daylight
The average length of the day in January in East Hampton is 9h and 38min.On the first day of January in East Hampton, sunrise is at 7:13 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:03 pm EST.
Sunshine
In East Hampton, the average sunshine in January is 4.9h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in East Hampton. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during January translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
East Hampton, NY
- Average high temperature in January: 38.8°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 January: 31.1°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 January
East Hampton, NY
- Average pressure in January: 30.03"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 January
East Hampton, NY
- Average wind speed in January: 16.4mph
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 January
East Hampton, NY
- Average humidity in January: 73%
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 January
East Hampton, NY
- Average rainfall in January: 2.28"
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 January
East Hampton, NY
- Average rainfall days in January: 8.3 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 January
East Hampton, NY
- Average snowfall in January: 1.54"
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 January
East Hampton, NY
- Average snowfall days in January: 3.9 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 January
East Hampton, NY
- Average sea temperature in January: 45°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 January /
Average sunshine in January
East Hampton, NY
- Average daylight in January: 9h and 36min
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 January: 4h and 54min
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 January
East Hampton, NY
- Average sunshine days in January: 16.8 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 January
East Hampton, NY
- Average UV index in January: 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 January
East Hampton, NY
- Average cloud cover in January: 48
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 January
East Hampton, NY
- Average visibility in January: 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).
