December weather forecast
Bluff, UT

Weather in December

December, the first month of the winter in Bluff, is also a wintry month, with an average temperature fluctuating between 23.7°F (-4.6°C) and 38.3°F (3.5°C).

Temperature

In December, the average high-temperature drops from a cool 50.7°F (10.4°C) in November to a wintry 38.3°F (3.5°C). In December, in Bluff, Utah, the average low-temperature is 23.7°F (-4.6°C).

Humidity

In Bluff, the average relative humidity in December is 65%.

Rainfall

In December, the rain falls for 3.7 days. Throughout December, 0.71" (18mm) of precipitation is accumulated. In Bluff, during the entire year, the rain falls for 73.8 days and collects up to 7.72" (196mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. December is the month with the most snowfall. Snow falls for 6.5 days and accumulates 5.2" (132mm) of snow.

Daylight

With an average of 9h and 39min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:13 am and sunset at 5:00 pm. On the last day of December, in Bluff, sunrise is at 7:31 am and sunset at 5:10 pm MST.

Sunshine

In Bluff, the average sunshine in December is 6.7h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Bluff. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 2 in December transform into the following instructions:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. 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 Bluff?

In Bluff, in December, the average high-temperature is 38.3°F (3.5°C), and the average low-temperature is 23.7°F (-4.6°C).

What is the average humidity in December in Bluff?

The average relative humidity in December in Bluff, Utah, is 65%.

How much does it rain in Bluff in December?

In Bluff, Utah, in December, it is raining for 3.7 days, with typically 0.71" (18mm) of accumulated precipitation.

What is the snowiest month in Bluff?

The month with the most snowfall in Bluff, Utah, is December, when snow falls for 6.5 days and typically aggregates up to 5.2" (132mm) of snow.

How much does it snow in Bluff in December?

In Bluff, during December, snow falls for 6.5 days and regularly aggregates up to 5.2" (132mm) of snow.

What is the month with the shortest days in Bluff?

December has the shortest days of the year in Bluff, Utah, with an average of 9h and 39min of daylight.

How many hours of daylight does Bluff have in December?

The average day length in December in Bluff is 9h and 39min.

What time are sunrise and sunset in December in Bluff?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 5:00 pm. On the last day of the month, in Bluff, Utah, sunrise is at 7:31 am and sunset at 5:10 pm MST.

How long on average sun shines in December in Bluff?

In December, the average sunshine duration in Bluff is 6.7h.

When is the lowest UV index in Bluff?

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

How high is the UV index in December in Bluff?

In December, the average daily maximum UV index in Bluff, Utah, is 2. A UV Index value of 2, and less, symbolizes a low health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bluff, UT

Average temperature in December - Bluff, UT
  • Average high temperature in December: 38.3°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (36.5°F).

  • Average low temperature in December: 23.7°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).

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Average pressure in December
Bluff, UT

Average pressure in December - Bluff, UT
  • Average pressure in December: 30.16"Hg

The month with the highest atmospheric pressure is January (30.23"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).

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Average wind speed in December
Bluff, UT

Average wind speed in December - Bluff, UT
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is April (9.2mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).

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Average humidity in December
Bluff, UT

Average humidity in December - Bluff, UT
  • Average humidity in December: 65%

The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is June (22%).

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Average rainfall in December
Bluff, UT

Average rainfall in December - Bluff, UT
  • Average rainfall in December: 0.71"

The wettest month (with the highest rainfall) is August (1.1").
The driest month (with the least rainfall) is June (0.31").

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Average rainfall days in December
Bluff, UT

Average rainfall days in December - Bluff, UT
  • Average rainfall days in December: 3.7 days

The month with the highest number of rainy days is July (12.7 days).
The month with the least rainy days is February (2.9 days).

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Average snowfall in December
Bluff, UT

Average snowfall in December - Bluff, UT
  • Average snowfall in December: 5.2"

The month with the highest snowfall is December (5.2").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Bluff, UT

Average snowfall days in December - Bluff, UT
  • Average snowfall days in December: 6.5 days

The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Bluff, UT
  • Average daylight in December: 9h and 39min

The month with the longest days is June (Average daylight: 14h and 41min).
The month with the shortest days is December (Average daylight: 9h and 39min).

  • Average sunshine in December: 6h and 42min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).

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Average sunshine days in December
Bluff, UT

Average sunshine days in December - Bluff, UT
  • Average sunshine days in December: 22.6 days

The month with the most sunshine days is November (25.5 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in December
Bluff, UT

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

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

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Average cloud cover in December
Bluff, UT

Average cloud cover in December - Bluff, UT
  • Average cloud cover in December: 26

The months with the most cloud cover are January and December (Cloud cover 26).
The month with the least cloud cover is June (Cloud cover 10).

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Average visibility in December
Bluff, UT

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

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

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