December weather forecast
Fayetteville, NY

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Weather in December

The first month of the winter, December, is also an icy month in Fayetteville, New York, with an average temperature varying between 25.2°F (-3.8°C) and 34.2°F (1.2°C).

Temperature

Fayetteville's December weather comes with a decrease in average high-temperatures, moving from a frosty 44.8°F (7.1°C) in November to a wintry 34.2°F (1.2°C). Fayetteville's nights in December maintain a consistent average of 25.2°F (-3.8°C), demonstrating a minimal differential from its daytime temperature.

Humidity

The average relative humidity in December in Fayetteville is 85%.

Rainfall

In Fayetteville, New York, in December, during 8.8 rainfall days, 1.97" (50mm) of precipitation is typically accumulated. In Fayetteville, New York, during the entire year, the rain falls for 148.8 days and collects up to 25" (635mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. The month with the most snowfall is December, when snow falls for 13.3 days and typically aggregates up to 5.87" (149mm) of snow.

Daylight

The month with the shortest days in Fayetteville is December, with an average of 9h and 6min of daylight.
On the first day of December, sunrise is at 7:16 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:39 pm EST.

Sunshine

The average sunshine in December in Fayetteville is 2.9h.

UV index

January and December, with an average maximum UV index of 1, are months with the lowest UV index in Fayetteville. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 1 in December translates into these instructions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

How cold is it in Fayetteville in December?

In December, in Fayetteville, the average high-temperature is 34.2°F (1.2°C), and the average low-temperature is 25.2°F (-3.8°C).

What is the average humidity in December in Fayetteville?

In Fayetteville, New York, the average relative humidity in December is 85%.

How many days does it rain in December in Fayetteville?

In Fayetteville, during December, the rain falls for 8.8 days and regularly aggregates up to 1.97" (50mm) of precipitation.

When does it snow the most in Fayetteville?

December is the month with the most snowfall in Fayetteville. Snow falls for 13.3 days and accumulates 5.87" (149mm) of snow.

How much does it snow in Fayetteville in December?

In Fayetteville, New York, in December, snow falls for 13.3 days, with typically accumulated 5.87" (149mm) of snow.

What is the month with the shortest days in Fayetteville?

December has the shortest days of the year, with an average of 9h and 6min of daylight.

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

In December, the average day length in Fayetteville, New York, is 9h and 4min.

When are sunrise and sunset in December in Fayetteville?

In December, on the first day of the month, sunrise is at 7:16 am and sunset at 4:30 pm. On the last day of the month, in Fayetteville, New York, sunrise is at 7:35 am and sunset at 4:39 pm EST.

How long on average sun shines in December in Fayetteville?

In December, the average sunshine duration in Fayetteville, New York, is 2.9h.

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

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

What is the UV index intensity in December in Fayetteville?

The average daily maximum UV index in December in Fayetteville, New York, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from 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
Fayetteville, NY

Average temperature in December - Fayetteville, NY
  • Average high temperature in December: 34.2°F

The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (28°F).

  • Average low temperature in December: 25.2°F

The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).

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Average pressure in December
Fayetteville, NY

Average pressure in December - Fayetteville, 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
Fayetteville, NY

Average wind speed in December - Fayetteville, NY
  • Average wind speed in December: 9.9mph

The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.1mph).

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Average humidity in December
Fayetteville, NY

Average humidity in December - Fayetteville, NY
  • Average humidity in December: 85%

The months with the highest relative humidity are January and February (87%).
The months with the lowest relative humidity are April and May (78%).

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Average rainfall in December
Fayetteville, NY

Average rainfall in December - Fayetteville, NY
  • Average rainfall in December: 1.97"

The wettest month (with the highest rainfall) is May (2.72").
The driest month (with the least rainfall) is January (1.42").

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Average rainfall days in December
Fayetteville, NY

Average rainfall days in December - Fayetteville, NY
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6 days).

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Average snowfall in December
Fayetteville, NY

Average snowfall in December - Fayetteville, NY
  • Average snowfall in December: 5.87"

The month with the highest snowfall is December (5.87").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Fayetteville, NY

Average snowfall days in December - Fayetteville, NY
  • Average snowfall days in December: 13.3 days

The month with the highest number of snowfall days is January (16.8 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
Fayetteville, NY

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

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 6min).

  • Average sunshine in December: 2h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).

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Average sunshine days in December
Fayetteville, NY

Average sunshine days in December - Fayetteville, NY
  • Average sunshine days in December: 11.4 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.4 days).

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Average UV index in December
Fayetteville, NY

Average UV index in December - Fayetteville, 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
Fayetteville, NY

Average cloud cover in December - Fayetteville, NY
  • Average cloud cover in December: 71

The months with the most cloud cover are January and February (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in December
Fayetteville, NY

Average visibility in December - Fayetteville, NY
  • Average visibility in December: 5mi

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

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Fayetteville, New York, USA

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