December weather forecast
Malverne, NY

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Weather in December

The first month of the winter, December, is also a frosty month in Malverne, New York, with an average temperature varying between 43.7°F (6.5°C) and 36°F (2.2°C).

Temperature

As December commences, the average high-temperature subtly reduces, transitioning from a fresh 51.6°F (10.9°C) in November to a frosty 43.7°F (6.5°C). Nights in December showcase an average temperature of 36°F (2.2°C), slightly cooler than the daytime.

Humidity

In December, the average relative humidity is 74%.

Rainfall

In December, in Malverne, the rain falls for 6.8 days. Throughout December, 0.83" (21mm) of precipitation is accumulated. In Malverne, during the entire year, the rain falls for 105.1 days and collects up to 8.15" (207mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.3 snowfall days, it receives 0.12" (3mm) of snow. Throughout the year, there are 9.4 snowfall days, and 0.63" (16mm) of snow is accumulated.

Daylight

The month with the shortest days in Malverne, New York, is December, with an average of 9h and 18min of daylight.
On the first day of December in Malverne, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm EST.

Sunshine

The average sunshine in December in Malverne is 5h.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 2 in December translates into this advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

How cold is December in Malverne?

The high-temperature, in December, in Malverne, records 43.7°F (6.5°C), while the low-temperature is 36°F (2.2°C).

What is the average humidity in December in Malverne?

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

How many days does it rain in December in Malverne?

In Malverne, New York, in December, during 6.8 rainfall days, 0.83" (21mm) of precipitation is typically accumulated.

When does it start to snow in Malverne?

December is the first month it typically snows in Malverne. Throughout December, in the average 1.3 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days in Malverne?

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

How many hours of daylight does Malverne have in December?

In December, the average day length is 9h and 19min.

When is the sunrise / sunset in December in Malverne?

On the first day of December, sunrise is at 6:59 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 4:37 pm EST.

How many hours of sunshine does Malverne have in December?

The average sunshine duration in December in Malverne, New York, is 5h.

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

January through March and December, with an average maximum UV index of 2, are months with the lowest UV index in Malverne, New York.

What is the UV index reading in December in Malverne?

In December, the average daily maximum UV index in Malverne, New York, is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Malverne, NY

Average temperature in December - Malverne, NY
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

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Average pressure in December
Malverne, NY

Average pressure in December - Malverne, NY
  • Average pressure in December: 30.07"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Malverne, NY

Average wind speed in December - Malverne, NY
  • Average wind speed in December: 12.2mph

The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.3mph).

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Average humidity in December
Malverne, NY

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

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in December
Malverne, NY

Average rainfall in December - Malverne, NY
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is September (0.31").

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Average rainfall days in December
Malverne, NY

Average rainfall days in December - Malverne, NY
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is July (12.7 days).
The months with the least rainy days are January and November (5.2 days).

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Average snowfall in December
Malverne, NY

Average snowfall in December - Malverne, NY
  • Average snowfall in December: 0.12"

The month with the highest snowfall is March (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Malverne, NY

Average snowfall days in December - Malverne, NY
  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Malverne, NY
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in December
Malverne, NY

Average sunshine days in December - Malverne, NY
  • Average sunshine days in December: 22.5 days

The month with the most sunshine days is January (23.4 days).
The month with the least sunshine days is June (14.9 days).

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Average UV index in December
Malverne, NY

Average UV index in December - Malverne, 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).

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Average cloud cover in December
Malverne, NY

Average cloud cover in December - Malverne, NY
  • Average cloud cover in December: 47

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in December
Malverne, NY

Average visibility in December - Malverne, 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).

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Malverne, New York, USA

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