December weather forecast
Highland Mills, NY

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Weather in December

The first month of the winter, December, is also an icy month in Highland Mills, New York, with an average temperature fluctuating between 27.3°F (-2.6°C) and 38.8°F (3.8°C).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 48.6°F (9.2°C) in November to an icy 38.8°F (3.8°C). Highland Mills's temperature tends to fall to an average low of 27.3°F (-2.6°C) during the nights of December.

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Highland Mills, in December, it is raining for 8.4 days, with typically 2.32" (59mm) of accumulated precipitation. In Highland Mills, during the entire year, the rain falls for 141.2 days and collects up to 25" (635mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Highland Mills, in December, during 4.9 snowfall days, 2.83" (72mm) of snow is typically accumulated. In Highland Mills, during the entire year, snow falls for 28.3 days and aggregates up to 17.68" (449mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Highland Mills.
On the first day of the month, sunrise is at 7:03 am and sunset at 4:27 pm. On the last day of December, in Highland Mills, sunrise is at 7:22 am and sunset at 4:37 pm EST.

Sunshine

In Highland Mills, the average sunshine in December is 4.7h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions

Is it cold in Highland Mills during December?

The high-temperature, in December, in Highland Mills, records 38.8°F (3.8°C), while the low-temperature is 27.3°F (-2.6°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 86°F (30°C).

What are the most humid months in Highland Mills?

The months with the highest humidity in Highland Mills, New York, are February and December, with an average relative humidity of 81%.

What is the average humidity in December in Highland Mills?

The average relative humidity in December in Highland Mills is 81%.

How many days does it rain in December in Highland Mills?

In Highland Mills, New York, in December, it is raining for 8.4 days, with typically 2.32" (59mm) of accumulated precipitation.

How many days does it snow in December in Highland Mills?

In Highland Mills, New York, in December, snow falls for 4.9 days, with typically accumulated 2.83" (72mm) of snow.

What is the month with the shortest days in Highland Mills?

With an average of 9h and 12min of daylight, December has the shortest days of the year.

What is the average length of the day in December in Highland Mills?

The average day length in December in Highland Mills is 9h and 15min.

What time are sunrise and sunset in December in Highland Mills?

In December, on the first day of the month, sunrise is at 7:03 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:37 pm EST.

How many hours of sunshine does Highland Mills have in December?

In Highland Mills, New York, the average sunshine duration in December is 4.7h.

What is the month with the lowest UV index in Highland Mills?

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

How high is the UV index in December in Highland Mills?

In Highland Mills, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to 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
Highland Mills, NY

Average temperature in December - Highland Mills, NY
  • Average high temperature in December: 38.8°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.3°F).

  • Average low temperature in December: 27.3°F

The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

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Average pressure in December
Highland Mills, NY

Average pressure in December - Highland Mills, 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
Highland Mills, NY

Average wind speed in December - Highland Mills, NY
  • Average wind speed in December: 6.5mph

The windiest months (with the highest average wind speed) are January, February and March (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in December
Highland Mills, NY

Average humidity in December - Highland Mills, NY
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in December
Highland Mills, NY

Average rainfall in December - Highland Mills, NY
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is January (1.46").

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Average rainfall days in December
Highland Mills, NY

Average rainfall days in December - Highland Mills, NY
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in December
Highland Mills, NY

Average snowfall in December - Highland Mills, NY
  • Average snowfall in December: 2.83"

The month with the highest snowfall is February (4.29").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Highland Mills, NY

Average snowfall days in December - Highland Mills, NY
  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is February (7.7 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
Highland Mills, NY

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

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 12min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

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Average sunshine days in December
Highland Mills, NY

Average sunshine days in December - Highland Mills, NY
  • Average sunshine days in December: 18.5 days

The month with the most sunshine days is January (21 days).
The month with the least sunshine days is June (11.8 days).

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Average UV index in December
Highland Mills, NY

Average UV index in December - Highland Mills, 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, November and December (UV index 2).

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Average cloud cover in December
Highland Mills, NY

Average cloud cover in December - Highland Mills, NY
  • Average cloud cover in December: 48

The months with the most cloud cover are February and March (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in December
Highland Mills, NY

Average visibility in December - Highland Mills, NY
  • Average visibility in December: 6mi

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

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Highland Mills, New York, USA

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