East Hampton
New York, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
East Hampton, NY

The very tall Montauk Point Lighthouse stands high on a hilly spot overlooking the rocky and pebbly shores of East Hampton in Long Island, New York
The very tall Montauk Point Lighthouse stands high on a hilly spot overlooking the rocky and pebbly shores of East Hampton in Long Island, New York
Diciembre, the first month of the winter, in East Hampton, is also a wintry month, with temperature in the range of an average high of 41°F (5°C) and an average low of 26.6°F (-3°C).

Temperature

In East Hampton, the average high-temperature is essentially the same as in Noviembre - a cold 41°F (5°C). In Diciembre, in East Hampton, the average low-temperature is 26.6°F (-3°C).

Rainfall

In East Hampton, during Diciembre, the rain falls for 12 days and regularly aggregates up to 2.36" (60mm) of precipitation. In East Hampton, during the entire year, the rain falls for 120 days and collects up to 31.89" (810mm) of precipitation.

Ocean temperature

In East Hampton, the average seawater temperature is 50°F (10°C).
Note: Swimming in 50°F (10°C) is considered life-threatening. Even a few minutes in 55.4°F (13°C) water is uncomfortable, and swimming below 50°F (10°C) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

The month with the shortest days in East Hampton is Diciembre, with an average of 9.3h of daylight.

Sunshine

Months with the least sunshine are Noviembre and Diciembre, with an average of 5h of sunshine.

UV index

With an average maximum UV index of 1, Diciembre is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in Diciembre in East Hampton?

In East Hampton, in Diciembre, the average high-temperature is 41°F (5°C), and the average low-temperature is 26.6°F (-3°C).

How many days does it rain in Diciembre in East Hampton?

In Diciembre, the rain falls for 12 days. Throughout Diciembre, 2.36" (60mm) of precipitation is accumulated.

What is the water temperature in Diciembre in East Hampton?

In East Hampton, New York, the average seawater temperature in Diciembre is 50°F (10°C). At temperatures below 50°F (10°C), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 55.4°F (13°C) is not comfortable.

What is the month with the shortest days in East Hampton?

With an average of 9.3h of daylight, Diciembre has the shortest days of the year in East Hampton.

What is the average length of the day in Diciembre in East Hampton?

In Diciembre, the average length of the day in East Hampton is 9.3h.

What is the month with the least sunshine in East Hampton?

Months with the least sunshine in East Hampton, New York, are Noviembre and Diciembre, with an average of 5h of sunshine.

How long on average sun shines in Diciembre in East Hampton?

The average sunshine in Diciembre in East Hampton, New York, is 5h.

When is the lowest UV index in East Hampton?

Diciembre is the month with the lowest UV index in East Hampton, New York, with an average maximum UV index of 1.

How high is the UV index in Diciembre in East Hampton?

In Diciembre, the average daily maximum UV index in East Hampton, New York, is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - East Hampton, NY
  • Average high temperature in December: 41°F

The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 26.6°F

Months with the highest average low temperature are July and August (62.6°F).
The coldest month (with the lowest average low temperature) is January (23°F).

Average rainfall in December - East Hampton, NY
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is November (5.5").
The driest month (with the lowest rainfall) is August (0.8").

Average rainfall days in December - East Hampton, NY
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is December (12 days).
Months with the lowest number of rainy days are September and October (8 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).
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: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 5h

Months with most sunshine are May, June and July (Average sunshine: 9h).
Months with least sunshine are November and December (Average sunshine: 5).

Average UV index in December - East Hampton, NY
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 8).
The month with the lowest UV index is December (UV index 1).