December weather forecast
Bluffdale, UT

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Weather in December

December, the first month of the winter in Bluffdale, is also an icy month, with an average temperature ranging between max 33.1°F (0.6°C) and min 18.9°F (-7.3°C).

Temperature

In Bluffdale, the average high-temperature in December decreases from a frosty 45.3°F (7.4°C) in November to a cold 33.1°F (0.6°C). Bluffdale encounters an average low-temperature of 18.9°F (-7.3°C) during December nights.

Humidity

In Bluffdale, Utah, the average relative humidity in December is 80%.

Rainfall

In Bluffdale, during December, the rain falls for 6.8 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, in Bluffdale, there are 69.6 rainfall days, and 9.06" (230mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Bluffdale, in December, snow falls for 8.9 days, with typically accumulated 6.89" (175mm) of snow. In Bluffdale, during the entire year, snow falls for 37.1 days and aggregates up to 28.94" (735mm) of snow.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:32 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:50 am and sunset at 5:11 pm MST.

Sunshine

In Bluffdale, the average sunshine in December is 5.7h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Stay sun-safe with clothing that is both closely woven and worn loosely. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

How cold is December?

In December, the average high-temperature and low-temperature are 33.1°F (0.6°C) and 18.9°F (-7.3°C) respectively.

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December?

In Bluffdale, in December, during 6.8 rainfall days, 1.3" (33mm) of precipitation is typically accumulated.

How much does it snow in December?

In Bluffdale, in December, during 8.9 snowfall days, 6.89" (175mm) of snow is typically accumulated.

What is the month with the shortest days in Bluffdale?

December has the shortest days of the year in Bluffdale, with an average of 9h and 18min of daylight.

How many hours of daylight does Bluffdale have in December?

In December, the average day length is 9h and 20min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:32 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:11 pm MST.

How long on average sun shines in December?

In December, the average sunshine duration is 5.7h.

When is the lowest UV index?

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.

How high is the UV index in December?

In Bluffdale, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Bluffdale, UT

Average temperature in December - Bluffdale, UT
  • Average high temperature in December: 33.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in December: 18.9°F

The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in December
Bluffdale, UT

Average pressure in December - Bluffdale, UT
  • Average pressure in December: 30.22"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in December
Bluffdale, UT

Average wind speed in December - Bluffdale, UT
  • Average wind speed in December: 5.5mph

The windiest months (with the highest average wind speed) are March and April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.9mph).

Average humidity in December
Bluffdale, UT

Average humidity in December - Bluffdale, UT
  • Average humidity in December: 80%

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (37%).

Average rainfall in December
Bluffdale, UT

Average rainfall in December - Bluffdale, UT
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is February (1.38").
The driest month (with the least rainfall) is June (0.31").

Average rainfall days in December
Bluffdale, UT

Average rainfall days in December - Bluffdale, UT
  • Average rainfall days in December: 6.8 days

The month with the highest number of rainy days is April (8.3 days).
The month with the least rainy days is June (4.1 days).

Average snowfall in December
Bluffdale, UT

Average snowfall in December - Bluffdale, UT
  • Average snowfall in December: 6.89"

The month with the highest snowfall is January (8.27").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Bluffdale, UT

Average snowfall days in December - Bluffdale, UT
  • Average snowfall days in December: 8.9 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Bluffdale, UT
  • Average daylight in December: 9h and 2min

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

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).

Average sunshine days in December
Bluffdale, UT

Average sunshine days in December - Bluffdale, UT
  • Average sunshine days in December: 19.5 days

The month with the most sunshine days is October (24.9 days).
The month with the least sunshine days is February (17.3 days).

Average UV index in December
Bluffdale, UT

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

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Bluffdale, UT

Average cloud cover in December - Bluffdale, UT
  • Average cloud cover in December: 40

The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Bluffdale, UT

Average visibility in December - Bluffdale, UT
  • Average visibility in December: 5mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).

Bluffdale, Utah, USA

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