December weather forecast
Hadley, NY

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Weather in December

The first month of the winter, December, is also a wintry month in Hadley, New York, with an average temperature varying between 23.4°F (-4.8°C) and 32.5°F (0.3°C).

Temperature

The transition into December involves a decrease in the average high-temperature, falling from a frosty 43.7°F (6.5°C) in November to a wintry 32.5°F (0.3°C). Hadley, during December, witnesses an average low-temperature of 23.4°F (-4.8°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Hadley, during December, the rain falls for 7.9 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Hadley, during the entire year, the rain falls for 131.2 days and collects up to 21.65" (550mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall in Hadley. In Hadley, during December, snow falls for 7.7 days and regularly aggregates up to 2.91" (74mm) of snow. Throughout the year, in Hadley, there are 43.2 snowfall days, and 21.54" (547mm) of snow is accumulated.

Daylight

With an average of 9h and 0min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:20 pm. On the last day of December, in Hadley, New York, sunrise is at 7:27 am and sunset at 4:29 pm EST.

Sunshine

In December, the average sunshine is 4.2h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Hadley. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 1 in December transforms into the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
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Frequently asked questions

How cold is December in Hadley?

In Hadley, in December, the average high-temperature is 32.5°F (0.3°C), and the average low-temperature is 23.4°F (-4.8°C).

What is the average humidity in December in Hadley?

In December, the average relative humidity in Hadley is 81%.

How many days does it rain in December in Hadley?

In Hadley, New York, in December, during 7.9 rainfall days, 1.61" (41mm) of precipitation is typically accumulated.

How many days does it snow in December in Hadley?

In Hadley, New York, in December, snow falls for 7.7 days, with typically accumulated 2.91" (74mm) of snow.

What is the month with the shortest days in Hadley?

December has the shortest days of the year in Hadley, with an average of 9h and 0min of daylight.

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

In Hadley, New York, the average day length in December is 9h and 2min.

When are sunrise and sunset in December in Hadley?

On the first day of December, sunrise is at 7:08 am and sunset at 4:20 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:29 pm EST.

How long on average sun shines in December in Hadley?

In December, the average sunshine duration in Hadley, New York, is 4.2h.

What is the month with the lowest UV index in Hadley?

The months with the lowest UV index are January and December, with an average maximum UV index of 1.

What is the UV index reading in December in Hadley?

In December, the average daily maximum UV index is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Hadley, NY

Average temperature in December - Hadley, NY
  • Average high temperature in December: 32.5°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 (26.8°F).

  • Average low temperature in December: 23.4°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in December
Hadley, NY

Average pressure in December - Hadley, 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 (29.92"Hg).

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Average wind speed in December
Hadley, NY

Average wind speed in December - Hadley, NY
  • Average wind speed in December: 6.8mph

The windiest month (with the highest average wind speed) is April (7.4mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in December
Hadley, NY

Average humidity in December - Hadley, NY
  • Average humidity in December: 81%

The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in December
Hadley, NY

Average rainfall in December - Hadley, NY
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is June (2.4").
The driest months (with the least rainfall) are January and March (1.38").

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Average rainfall days in December
Hadley, NY

Average rainfall days in December - Hadley, NY
  • Average rainfall days in December: 7.9 days

The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is January (4.8 days).

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Average snowfall in December
Hadley, NY

Average snowfall in December - Hadley, NY
  • Average snowfall in December: 2.91"

The month with the highest snowfall is February (6.81").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Hadley, NY

Average snowfall days in December - Hadley, NY
  • Average snowfall days in December: 7.7 days

The month with the highest number of snowfall days is February (10.8 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
Hadley, NY

Average daylight in December / Average sunshine in December - Hadley, NY
  • Average daylight in December: 9h and 0min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).

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Average sunshine days in December
Hadley, NY

Average sunshine days in December - Hadley, NY
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is July (13.2 days).

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Average UV index in December
Hadley, NY

Average UV index in December - Hadley, 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
Hadley, NY

Average cloud cover in December - Hadley, NY
  • Average cloud cover in December: 55

The month with the most cloud cover is February (Cloud cover 58).
The months with the least cloud cover are July and August (Cloud cover 33).

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Average visibility in December
Hadley, NY

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

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