December weather forecast
Syracuse, UT

Weather in December

December, the first month of the winter, in Syracuse, is still a cold month, with temperature in the range of an average low of 23.5°F (-4.7°C) and an average high of 34°F (1.1°C).

Temperature

In Syracuse, Utah, the average high-temperature in December drops, from a frosty 45.5°F (7.5°C) in November, to a cold 34°F (1.1°C). The average low-temperature, in December, is 23.5°F (-4.7°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

In Syracuse, Utah, in December, it is raining for 7.8 days, with typically 1.5" (38mm) of accumulated precipitation. Throughout the year, there are 98.9 rainfall days, and 13.58" (345mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Syracuse are January through May, September through December. In Syracuse, during 11.3 snowfall days, 8.78" (223mm) of snow is typically accumulated. In Syracuse, Utah, during the entire year, snow falls for 54.4 days, and aggregates up to 44.84" (1139mm) of snow.

Daylight

December has the shortest days of the year in Syracuse, with an average of 9.3h of daylight.

Sunshine

The average sunshine in December is 6.1h.

UV index

Months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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 average humidity in December in Syracuse?

In Syracuse, the average relative humidity in December is 77%.

How many days does it rain in December in Syracuse?

In Syracuse, Utah, in December, it is raining for 7.8 days, with typically 1.5" (38mm) of accumulated precipitation.

How many days does it snow in December in Syracuse?

In Syracuse, Utah, in December, snow falls for 11.3 days, with typically accumulated 8.78" (223mm) of snow.

What is the month with the shortest days in Syracuse?

December has the shortest days of the year in Syracuse, Utah, with an average of 9.3h of daylight.

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

In Syracuse, Utah, the average length of the day in December is 9.3h.

How many hours of sunshine does Syracuse have in December?

The average sunshine in December is 6.1h.

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

Months with the lowest UV index in Syracuse are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December in Syracuse?

In Syracuse, Utah, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV rays.

Average temperature in December
Syracuse, UT

Average temperature in December - Syracuse, UT
  • Average high temperature in December: 34°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in December: 23.5°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

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Average pressure in December
Syracuse, UT

Average pressure in December - Syracuse, UT
  • Average pressure in December: 30.23"

The month with the highest atmospheric pressure is January (30.28").
The month with the lowest atmospheric pressure is June (29.88").

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Average wind speed in December
Syracuse, UT

Average wind speed in December - Syracuse, UT
  • Average wind speed in December: 5.7mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is January (5mph).

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Average humidity in December
Syracuse, UT

Average humidity in December - Syracuse, UT
  • Average humidity in December: 77%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (38%).

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Average rainfall in December
Syracuse, UT

Average rainfall in December - Syracuse, UT
  • Average rainfall in December: 1.5"

The wettest months (with the highest rainfall) are January and February (1.61").
The driest months (with the least rainfall) are July and August (0.43").

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Average rainfall days in December
Syracuse, UT

Average rainfall days in December - Syracuse, UT
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is April (12.3 days).
The month with the least rainy days is January (5.5 days).

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Average snowfall in December
Syracuse, UT

Average snowfall in December - Syracuse, UT
  • Average snowfall in December: 8.78"

The month with the highest snowfall is January (11.02").
Months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Syracuse, UT

Average snowfall days in December - Syracuse, UT
  • Average snowfall days in December: 11.3 days

The month with the highest number of snowfall days is January (12 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight in December /
Average sunshine in December
Syracuse, UT

Average daylight in December / Average sunshine in December - Syracuse, UT
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 6.1h

Months with the most sunshine are July and August (Average sunshine: 11.9h).
The month with the least sunshine is January (Average sunshine: 5.6h).

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Average sunshine days in December
Syracuse, UT

Average sunshine days in December - Syracuse, UT
  • Average sunshine days in December: 17 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is February (12.7 days).

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Average UV index in December
Syracuse, UT

Average UV index in December - Syracuse, UT
  • Average UV index in December: 2

Months with the highest UV index are June and July (UV index 6).
Months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in December
Syracuse, UT

Average cloud cover in December - Syracuse, UT
  • Average cloud cover in December: 37

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in December
Syracuse, UT

Average visibility in December - Syracuse, UT
  • Average visibility in December: 6mi

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

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