December weather forecast
Mellenville, NY

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Weather in December

December, the first month of the winter in Mellenville, is also an icy month, with temperature in the range of an average high of 35.4°F (1.9°C) and an average low of 24.4°F (-4.2°C).

Temperature

Mellenville's December weather comes with a decrease in average high-temperatures, moving from a frosty 46°F (7.8°C) in November to a wintry 35.4°F (1.9°C). Mellenville in December experiences a low-temperature average of 24.4°F (-4.2°C).

Humidity

In December, the average relative humidity is 82%.

Rainfall

In Mellenville, in December, it is raining for 8.5 days, with typically 1.54" (39mm) of accumulated precipitation. In Mellenville, during the entire year, the rain falls for 139.3 days and collects up to 21.06" (535mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Mellenville. In December, in Mellenville, it is snowing for 5.9 days. Throughout December, 2.95" (75mm) of snow is accumulated. In Mellenville, during the entire year, snow falls for 37.3 days and aggregates up to 15.79" (401mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:04 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:32 pm EST.

Sunshine

The average sunshine in December in Mellenville is 4.5h.

UV index

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Mellenville. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

How cold is it in Mellenville in December?

In Mellenville, 35.4°F (1.9°C) is the average high-temperature and 24.4°F (-4.2°C) is the average low-temperature during December. The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in July is evaluated at 86°F (30°C).

What is the average humidity in December in Mellenville?

In Mellenville, the average relative humidity in December is 82%.

How much does it rain in Mellenville in December?

In Mellenville, in December, during 8.5 rainfall days, 1.54" (39mm) of precipitation is typically accumulated.

How many days does it snow in December in Mellenville?

In December, it is snowing for 5.9 days. Throughout December, 2.95" (75mm) of snow is accumulated.

What is the month with the shortest days in Mellenville?

December has the shortest days of the year in Mellenville, New York, with an average of 9h and 12min of daylight.

How many hours of daylight does Mellenville have in December?

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

What time are sunrise and sunset in December in Mellenville?

On the first day of December in Mellenville, sunrise is at 7:04 am and sunset at 4:23 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:32 pm EST.

How long on average sun shines in December in Mellenville?

In December, the average sunshine duration in Mellenville, New York, is 4.5h.

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

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

How high is the UV index in December in Mellenville?

In Mellenville, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat 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
Mellenville, NY

Average temperature in December - Mellenville, NY
  • Average high temperature in December: 35.4°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 (29.7°F).

  • Average low temperature in December: 24.4°F

The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

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Average pressure in December
Mellenville, NY

Average pressure in December - Mellenville, 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
Mellenville, NY

Average wind speed in December - Mellenville, NY
  • Average wind speed in December: 7.4mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Mellenville, NY

Average humidity in December - Mellenville, NY
  • Average humidity in December: 82%

The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in December
Mellenville, NY

Average rainfall in December - Mellenville, NY
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is January (1.1").

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Average rainfall days in December
Mellenville, NY

Average rainfall days in December - Mellenville, NY
  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is January (5.4 days).

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Average snowfall in December
Mellenville, NY

Average snowfall in December - Mellenville, NY
  • Average snowfall in December: 2.95"

The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Mellenville, NY

Average snowfall days in December - Mellenville, NY
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is February (10.6 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
Mellenville, NY

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 4h and 3min

The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).

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Average sunshine days in December
Mellenville, NY

Average sunshine days in December - Mellenville, NY
  • Average sunshine days in December: 18.9 days

The month with the most sunshine days is January (19.7 days).
The month with the least sunshine days is June (12.1 days).

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Average UV index in December
Mellenville, NY

Average UV index in December - Mellenville, NY
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in December
Mellenville, NY

Average cloud cover in December - Mellenville, NY
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 35).

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Average visibility in December
Mellenville, NY

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

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

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Mellenville, New York, USA

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