December weather forecast
Horseheads, NY

Weather in December

The first month of the winter, December, is still a cold month in Horseheads, New York, with an average temperature ranging between max 35.2°F (1.8°C) and min 25.3°F (-3.7°C).

Temperature

In December, the average high-temperature decreases from a frosty 45.1°F (7.3°C) in November to a cold 35.2°F (1.8°C). In Horseheads, the average low-temperature is 25.3°F (-3.7°C).

Humidity

In December, the average relative humidity in Horseheads is 84%.

Rainfall

In Horseheads, New York, during December, the rain falls for 12.5 days and regularly aggregates up to 2.28" (58mm) of precipitation. In Horseheads, during the entire year, the rain falls for 172.7 days and collects up to 29.57" (751mm) of precipitation.

Snowfall

Months with snowfall in Horseheads, New York, are January through May, October through December. In Horseheads, during December, snow falls for 14.9 days and regularly aggregates up to 5.94" (151mm) of snow. Throughout the year, there are 76.6 snowfall days, and 34.61" (879mm) of snow is accumulated.

Daylight

With an average of 9h and 10min of daylight, December has the shortest days of the year in Horseheads.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:36 pm. On the last day of December, in Horseheads, sunrise is at 7:35 am and sunset at 4:44 pm EST.

Sunshine

In Horseheads, New York, the average sunshine in December is 3.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 1 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the temperature in December in Horseheads?

In December, the average high-temperature is 35.2°F (1.8°C), and the average low-temperature is 25.3°F (-3.7°C).

What is the average humidity in December in Horseheads?

The average relative humidity in December is 84%.

How much does it rain in Horseheads in December?

In Horseheads, New York, in December, during 12.5 rainfall days, 2.28" (58mm) of precipitation is typically accumulated.

How much does it snow in Horseheads in December?

In December, in Horseheads, New York, it is snowing for 14.9 days. Throughout December, 5.94" (151mm) of snow is accumulated.

What is the month with the shortest days in Horseheads?

With an average of 9h and 10min of daylight, December has the shortest days of the year.

How many hours of daylight does Horseheads have in December?

In December, the average day length is 9h and 10min.

What time are sunrise and sunset in December in Horseheads?

In December, on the first day of the month, sunrise is at 7:16 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:44 pm EST.

How long on average sun shines in December in Horseheads?

In Horseheads, the average sunshine duration in December is 3.2h.

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

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Horseheads, New York.

What is the UV index intensity in December in Horseheads?

In Horseheads, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a low health risk from unsafe 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
Horseheads, NY

Average temperature in December - Horseheads, NY
  • Average high temperature in December: 35.2°F

The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (28.8°F).

  • Average low temperature in December: 25.3°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.2°F).

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Average pressure in December
Horseheads, NY

Average pressure in December - Horseheads, NY
  • Average pressure in December: 30.08"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

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Average wind speed in December
Horseheads, NY

Average wind speed in December - Horseheads, NY
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

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Average humidity in December
Horseheads, NY

Average humidity in December - Horseheads, NY
  • Average humidity in December: 84%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May, June and July (78%).

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Average rainfall in December
Horseheads, NY

Average rainfall in December - Horseheads, NY
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is April (3.07").
The driest months (with the least rainfall) are January and November (1.89").

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Average rainfall days in December
Horseheads, NY

Average rainfall days in December - Horseheads, NY
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is February (8.3 days).

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Average snowfall in December
Horseheads, NY

Average snowfall in December - Horseheads, NY
  • Average snowfall in December: 5.94"

The month with the highest snowfall is February (8.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Horseheads, NY

Average snowfall days in December - Horseheads, NY
  • Average snowfall days in December: 14.9 days

The month with the highest number of snowfall days is January (17.7 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
Horseheads, NY

Average daylight in December / Average sunshine in December - Horseheads, NY
  • Average daylight in December: 9h and 10min

The month with the longest days is June (Average daylight: 15h and 13min).
The month with the shortest days is December (Average daylight: 9h and 10min).

  • Average sunshine in December: 3h and 12min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).

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Average sunshine days in December
Horseheads, NY

Average sunshine days in December - Horseheads, NY
  • Average sunshine days in December: 8.6 days

The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is February (7.3 days).

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Average UV index in December
Horseheads, NY

Average UV index in December - Horseheads, NY
  • Average UV index in December: 1

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 and December (UV index 1).

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Average cloud cover in December
Horseheads, NY

Average cloud cover in December - Horseheads, NY
  • Average cloud cover in December: 68

The months with the most cloud cover are January and February (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 36).

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Average visibility in December
Horseheads, NY

Average visibility in December - Horseheads, 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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