December weather forecast
Westmere, NY

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Weather in December

December, the first month of the winter in Westmere, is still a cold month, with an average temperature fluctuating between 34.7°F (1.5°C) and 24.4°F (-4.2°C).

Temperature

With December's onset, the weather shows a temperature decrease, transitioning from a chilly 45.5°F (7.5°C) in November to an icy 34.7°F (1.5°C). Throughout December, the average low-temperature in Westmere dips to a freezing cold 24.4°F (-4.2°C).

Humidity

In Westmere, the average relative humidity in December is 81%.

Rainfall

In Westmere, in December, it is raining for 11.5 days, with typically 2.8" (71mm) of accumulated precipitation. Throughout the year, in Westmere, New York, there are 160.4 rainfall days, and 32.44" (824mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Westmere are January through May, October through December. In Westmere, during December, snow falls for 8.6 days and regularly aggregates up to 6.81" (173mm) of snow. In Westmere, during the entire year, snow falls for 51.2 days and aggregates up to 32.09" (815mm) of snow.

Daylight

With an average of 9h and 6min of daylight, December has the shortest days of the year in Westmere.
On the first day of December, sunrise is at 7:06 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:31 pm EST.

Sunshine

In December, the average sunshine is 4.3h.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 1 during December translates into these guidelines:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Around midday, solar radiation is most harmful; hence, exposure should be limited. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
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Frequently asked questions

How cold is it in Westmere in December?

In December, the average high-temperature and low-temperature are 34.7°F (1.5°C) and 24.4°F (-4.2°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in December in Westmere?

In Westmere, the average relative humidity in December is 81%.

How many days does it rain in December in Westmere?

In Westmere, in December, it is raining for 11.5 days, with typically 2.8" (71mm) of accumulated precipitation.

How much does it snow in Westmere in December?

In Westmere, during December, snow falls for 8.6 days and regularly aggregates up to 6.81" (173mm) of snow.

What is the month with the shortest days in Westmere?

With an average of 9h and 6min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Westmere?

The average day length in December in Westmere, New York, is 9h and 6min.

When are sunrise and sunset in December in Westmere?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:22 pm. On the last day of the month, in Westmere, sunrise is at 7:25 am and sunset at 4:31 pm EST.

How many hours of sunshine does Westmere have in December?

In Westmere, New York, the average sunshine duration in December is 4.3h.

What is the month with the lowest UV index in Westmere?

With an average maximum UV index of 1, December is the month with the lowest UV index in Westmere.

How high is the UV index in December in Westmere?

In December, the average daily maximum UV index in Westmere is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Westmere, NY

Average temperature in December - Westmere, NY
  • Average high temperature in December: 34.7°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in December
Westmere, NY

Average pressure in December - Westmere, 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 (29.92"Hg).

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Average wind speed in December
Westmere, NY

Average wind speed in December - Westmere, NY
  • Average wind speed in December: 7.6mph

The windiest months (with the highest average wind speed) are January and February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in December
Westmere, NY

Average humidity in December - Westmere, NY
  • Average humidity in December: 81%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in December
Westmere, NY

Average rainfall in December - Westmere, NY
  • Average rainfall in December: 2.8"

The wettest month (with the highest rainfall) is October (3.19").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in December
Westmere, NY

Average rainfall days in December - Westmere, NY
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall in December
Westmere, NY

Average snowfall in December - Westmere, NY
  • Average snowfall in December: 6.81"

The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Westmere, NY

Average snowfall days in December - Westmere, NY
  • Average snowfall days in December: 8.6 days

The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Westmere, NY
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in December: 4h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in December
Westmere, NY

Average sunshine days in December - Westmere, NY
  • Average sunshine days in December: 14.1 days

The month with the most sunshine days is September (16.7 days).
The months with the least sunshine days are February and April (11.3 days).

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Average UV index in December
Westmere, NY

Average UV index in December - Westmere, NY
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in December
Westmere, NY

Average cloud cover in December - Westmere, NY
  • Average cloud cover in December: 54

The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in December
Westmere, NY

Average visibility in December - Westmere, NY
  • Average visibility in December: 6mi

The months with the highest visibility are April, June, July, October, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August and September (5mi).

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Westmere, New York, USA

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