December weather forecast
Massapequa, NY

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Weather in December

December, the first month of the winter in Massapequa, is still a chilly month, with an average temperature varying between 37°F (2.8°C) and 44.1°F (6.7°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's cool 52.2°F (11.2°C) to a frosty 44.1°F (6.7°C). Massapequa's nighttime average temperature in December subtly descends to an icy 37°F (2.8°C) from the daily highs.

Humidity

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

Rainfall

In December, in Massapequa, New York, the rain falls for 12.6 days. Throughout December, 3.27" (83mm) of precipitation is accumulated. In Massapequa, during the entire year, the rain falls for 158.8 days and collects up to 31.38" (797mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Massapequa, in December, during 2.7 snowfall days, 0.59" (15mm) of snow is typically accumulated. In Massapequa, during the entire year, snow falls for 16.8 days and aggregates up to 4.17" (106mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 6:59 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:36 pm EST.

Sunshine

The average sunshine in December in Massapequa 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. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

How cold does it get in Massapequa in December?

Massapequa in December has an average high-temperature of 44.1°F (6.7°C) and an average low-temperature of 37°F (2.8°C).

What is the average humidity in December in Massapequa?

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

How many days does it rain in December in Massapequa?

In Massapequa, in December, it is raining for 12.6 days, with typically 3.27" (83mm) of accumulated precipitation.

How many days does it snow in December in Massapequa?

In Massapequa, New York, in December, snow falls for 2.7 days, with typically accumulated 0.59" (15mm) of snow.

What is the month with the shortest days in Massapequa?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Massapequa.

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

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

What time are sunrise and sunset in December in Massapequa?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 4:36 pm EST.

How long on average sun shines in December in Massapequa?

In December, the average sunshine duration is 4.9h.

What are the months with the lowest UV index in Massapequa?

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

What is the UV index intensity in December in Massapequa?

In Massapequa, New York, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to Sun's UV rays.
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
Massapequa, NY

Average temperature in December - Massapequa, NY
  • Average high temperature in December: 44.1°F

The warmest months (with the highest average high temperature) are July and August (78.4°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 37°F

The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in December
Massapequa, NY

Average pressure in December - Massapequa, 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).

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Average wind speed in December
Massapequa, NY

Average wind speed in December - Massapequa, NY
  • Average wind speed in December: 13.4mph

The windiest month (with the highest average wind speed) is January (13.9mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).

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Average humidity in December
Massapequa, NY

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

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is November (71%).

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Average rainfall in December
Massapequa, NY

Average rainfall in December - Massapequa, NY
  • Average rainfall in December: 3.27"

The wettest month (with the highest rainfall) is July (3.39").
The driest month (with the least rainfall) is January (1.89").

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Average rainfall days in December
Massapequa, NY

Average rainfall days in December - Massapequa, NY
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9.1 days).

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Average snowfall in December
Massapequa, NY

Average snowfall in December - Massapequa, NY
  • Average snowfall in December: 0.59"

The month with the highest snowfall is March (1.34").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Massapequa, NY

Average snowfall days in December - Massapequa, NY
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Massapequa, 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: 4h and 5min

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

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Average sunshine days in December
Massapequa, NY

Average sunshine days in December - Massapequa, NY
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is November (17.4 days).
The month with the least sunshine days is July (12.3 days).

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Average UV index in December
Massapequa, NY

Average UV index in December - Massapequa, 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
Massapequa, NY

Average cloud cover in December - Massapequa, NY
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).

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Average visibility in December
Massapequa, NY

Average visibility in December - Massapequa, 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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Massapequa, New York, USA

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