December weather forecast
Slate Hill, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Slate Hill, New York, with an average temperature varying between 37.9°F (3.3°C) and 26.1°F (-3.3°C).

Temperature

Slate Hill's weather changes with the onset of December, slightly falling from a frosty 48°F (8.9°C) in November to a cold 37.9°F (3.3°C). During December, the average low-temperature is recorded at a freezing cold 26.1°F (-3.3°C).

Humidity

February and December, with an average relative humidity of 82%, are the most humid months in Slate Hill.

Rainfall

In December, the rain falls for 8.8 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. In Slate Hill, during the entire year, the rain falls for 139 days and collects up to 25.28" (642mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Slate Hill, in December, during 5.4 snowfall days, 3.19" (81mm) of snow is typically accumulated. In Slate Hill, during the entire year, snow falls for 28.4 days and aggregates up to 16.46" (418mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 12min of daylight.
On the first day of December in Slate Hill, sunrise is at 7:05 am and sunset at 4:29 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:38 pm EST.

Sunshine

In Slate Hill, the average sunshine in December is 4.5h.

UV index

January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Slate Hill. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Boost your sun resistance with garments that are densely woven yet spacious. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

Is it cold in Slate Hill during December?

The high-temperature, in December, in Slate Hill, is 37.9°F (3.3°C), while the low-temperature averages to 26.1°F (-3.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in July is evaluated at 89.6°F (32°C).

What is the most humid month in Slate Hill?

The months with the highest humidity in Slate Hill are February and December, with an average relative humidity of 82%.

What is the average humidity in December in Slate Hill?

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

How much does it rain in Slate Hill in December?

In Slate Hill, New York, in December, during 8.8 rainfall days, 2.36" (60mm) of precipitation is typically accumulated.

How much does it snow in Slate Hill in December?

In Slate Hill, New York, in December, snow falls for 5.4 days, with typically accumulated 3.19" (81mm) of snow.

What is the month with the shortest days in Slate Hill?

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

What is the average length of the day in December in Slate Hill?

In December, the average day length in Slate Hill is 9h and 14min.

What time are sunrise and sunset in December in Slate Hill?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:29 pm. On the last day of the month, in Slate Hill, New York, sunrise is at 7:23 am and sunset at 4:38 pm EST.

How many hours of sunshine does Slate Hill have in December?

In December, the average sunshine duration in Slate Hill is 4.5h.

What are the months with the lowest UV index in Slate Hill?

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

How high is the UV index in December in Slate Hill?

The average daily maximum UV index in December in Slate Hill 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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Slate Hill, NY

Average temperature in December - Slate Hill, NY
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in December: 26.1°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (19°F).

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Average pressure in December
Slate Hill, NY

Average pressure in December - Slate Hill, 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
Slate Hill, NY

Average wind speed in December - Slate Hill, NY
  • Average wind speed in December: 6.4mph

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
Slate Hill, NY

Average humidity in December - Slate Hill, NY
  • Average humidity in December: 82%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in December
Slate Hill, NY

Average rainfall in December - Slate Hill, NY
  • Average rainfall in December: 2.36"

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

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Average rainfall days in December
Slate Hill, NY

Average rainfall days in December - Slate Hill, NY
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Slate Hill, NY

Average snowfall in December - Slate Hill, NY
  • Average snowfall in December: 3.19"

The month with the highest snowfall is February (3.86").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Slate Hill, NY

Average snowfall days in December - Slate Hill, NY
  • Average snowfall days in December: 5.4 days

The month with the highest number of snowfall days is February (7.5 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
Slate Hill, NY

Average daylight in December / Average sunshine in December - Slate Hill, 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 3min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

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Average sunshine days in December
Slate Hill, NY

Average sunshine days in December - Slate Hill, NY
  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is January (20.1 days).
The month with the least sunshine days is May (12.6 days).

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Average UV index in December
Slate Hill, NY

Average UV index in December - Slate Hill, NY
  • Average UV index in December: 2

The month with the highest UV index is June (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
Slate Hill, NY

Average cloud cover in December - Slate Hill, NY
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in December
Slate Hill, NY

Average visibility in December - Slate Hill, NY
  • Average visibility in December: 5mi

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

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Slate Hill, New York, USA

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