December weather forecast
Westhampton, NY

Share

Weather in December

The first month of the winter, December, is still a chilly month in Westhampton, New York, with an average temperature fluctuating between 45.3°F (7.4°C) and 38.1°F (3.4°C).

Temperature

December is characterized by a mild reduction in the average high-temperature, from a fresh 52.7°F (11.5°C) in November to a frosty 45.3°F (7.4°C). In Westhampton, December's low temperatures hover around a cold 38.1°F (3.4°C), reflecting a minor decrease from the daytime highs.

Humidity

In Westhampton, the average relative humidity in December is 74%.

Rainfall

In December, in Westhampton, New York, the rain falls for 11 days. Throughout December, 2.95" (75mm) of precipitation is accumulated. Throughout the year, in Westhampton, New York, there are 148 rainfall days, and 29.76" (756mm) of precipitation is accumulated.

Snowfall

January through March, May and December are months with snowfall. December is the first month it typically snows in Westhampton. Throughout December, in the average 2.3 snowfall days, it receives 0.79" (20mm) of snow. Throughout the year, there are 12.9 snowfall days, and 4.45" (113mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Westhampton, with an average of 9h and 18min of daylight.
On the first day of the month, sunrise is at 6:56 am and sunset at 4:23 pm. On the last day of December, sunrise is at 7:14 am and sunset at 4:33 pm EST.

Sunshine

February and December, with an average of 4.8h of sunshine, are months with the least sunshine.

UV index

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Westhampton. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
[Resources]

Frequently asked questions

What is the usual temperature for Westhampton in December?

The high-temperature, in December, in Westhampton, is 45.3°F (7.4°C), while the low-temperature averages to 38.1°F (3.4°C).

What is the average humidity in December in Westhampton?

In December, the average relative humidity in Westhampton is 74%.

How much does it rain in Westhampton in December?

In December, in Westhampton, New York, the rain falls for 11 days. Throughout December, 2.95" (75mm) of precipitation is accumulated.

When does it start to snow in Westhampton?

December is the first month it typically snows in Westhampton. Throughout December, in the average 2.3 snowfall days, it receives 0.79" (20mm) of snow.

What is the month with the shortest days in Westhampton?

December has the shortest days of the year in Westhampton, New York, with an average of 9h and 18min of daylight.

How many hours of daylight does Westhampton have in December?

In December, the average day length in Westhampton, New York, is 9h and 18min.

What time are sunrise and sunset in December in Westhampton?

On the first day of December in Westhampton, sunrise is at 6:56 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:33 pm EST.

What are the months with the least sunshine in Westhampton?

The months with the least sunshine in Westhampton, New York, are February and December, with an average of 4.8h of sunshine.

How many hours of sunshine does Westhampton have in December?

The average sunshine duration in December in Westhampton, New York, is 4.8h.

When is the lowest UV index in Westhampton?

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2.

How high is the UV index in December in Westhampton?

The average daily maximum UV index in December in Westhampton, New York, is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Westhampton, NY

Average temperature in December - Westhampton, NY
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is August (76.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 38.1°F

The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

[Resources]

Average pressure in December
Westhampton, NY

Average pressure in December - Westhampton, 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).

[Resources]

Average wind speed in December
Westhampton, NY

Average wind speed in December - Westhampton, NY
  • Average wind speed in December: 15mph

The windiest month (with the highest average wind speed) is January (15.4mph).
The calmest month (with the lowest average wind speed) is July (10.2mph).

[Resources]

Average humidity in December
Westhampton, NY

Average humidity in December - Westhampton, NY
  • Average humidity in December: 74%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is November (72%).

[Resources]

Average rainfall in December
Westhampton, NY

Average rainfall in December - Westhampton, NY
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is January (1.89").

[Resources]

Average rainfall days in December
Westhampton, NY

Average rainfall days in December - Westhampton, NY
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is July (16 days).
The month with the least rainy days is January (7.8 days).

[Resources]

Average snowfall in December
Westhampton, NY

Average snowfall in December - Westhampton, NY
  • Average snowfall in December: 0.79"

The month with the highest snowfall is March (1.54").
The months with the least snowfall are April, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in December
Westhampton, NY

Average snowfall days in December - Westhampton, NY
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is February (3.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Westhampton, NY

Average daylight in December / Average sunshine in December - Westhampton, 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 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).

[Resources]

Average sunshine days in December
Westhampton, NY

Average sunshine days in December - Westhampton, NY
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (12.6 days).

[Resources]

Average UV index in December
Westhampton, NY

Average UV index in December - Westhampton, 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).

[Resources]

Average cloud cover in December
Westhampton, NY

Average cloud cover in December - Westhampton, 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 26).

[Resources]

Average visibility in December
Westhampton, NY

Average visibility in December - Westhampton, 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).

[Resources]

Westhampton, New York, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location