December weather forecast
Millville, UT

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Weather in December

December, the first month of the winter in Millville, is also a subzero cold month, with an average temperature fluctuating between 15.3°F (-9.3°C) and 28.8°F (-1.8°C).

Temperature

In Millville, the coldest months are January and December, registering an average high-temperature of 28.8°F (-1.8°C).

Humidity

The average relative humidity in December is 85%.

Rainfall

In Millville, Utah, in December, it is raining for 11 days, with typically 2.05" (52mm) of accumulated precipitation. In Millville, during the entire year, the rain falls for 122.8 days and collects up to 16.89" (429mm) of precipitation.

Snowfall

January through May, September through December are months with snowfall. In December, it is snowing for 16.3 days. Throughout December, 12.91" (328mm) of snow is accumulated. Throughout the year, there are 77.8 snowfall days, and 58.86" (1495mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 12min of daylight.
On the first day of December, sunrise is at 7:35 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:07 pm MST.

Sunshine

In Millville, the average sunshine in December is 5.4h.

UV index

The months with the lowest UV index in Millville are January, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 1 in December interprets into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

What part of the year is the coldest?

The coldest months are January and December, with an average high-temperature of 28.8°F (-1.8°C).

How cold is it in December?

In December, in Millville, the average high-temperature is 28.8°F (-1.8°C), and the average low-temperature is 15.3°F (-9.3°C).

What is the average humidity in December?

In December, the average relative humidity is 85%.

How many days does it rain in December in Millville?

In Millville, during December, the rain falls for 11 days and regularly aggregates up to 2.05" (52mm) of precipitation.

How many days does it snow in December?

In Millville, during December, snow falls for 16.3 days and regularly aggregates up to 12.91" (328mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 12min of daylight.

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

In Millville, the average day length in December is 9h and 13min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:35 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:07 pm MST.

How long on average sun shines in December in Millville?

In December, the average sunshine duration is 5.4h.

What is the month with the lowest UV index?

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

What is the UV index reading in December in Millville?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's 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
Millville, UT

Average temperature in December - Millville, UT
  • Average high temperature in December: 28.8°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The months with the lowest average high temperature are January and December (28.8°F).

  • Average low temperature in December: 15.3°F

The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (14°F).

Average pressure in December
Millville, UT

Average pressure in December - Millville, UT
  • Average pressure in December: 30.24"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in December
Millville, UT

Average wind speed in December - Millville, UT
  • Average wind speed in December: 4.4mph

The windiest months (with the highest average wind speed) are April and June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).

Average humidity in December
Millville, UT

Average humidity in December - Millville, UT
  • Average humidity in December: 85%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).

Average rainfall in December
Millville, UT

Average rainfall in December - Millville, UT
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is January (2.36").
The driest month (with the least rainfall) is July (0.43").

Average rainfall days in December
Millville, UT

Average rainfall days in December - Millville, UT
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (6 days).

Average snowfall in December
Millville, UT

Average snowfall in December - Millville, UT
  • Average snowfall in December: 12.91"

The month with the highest snowfall is January (16.18").
The months with the least snowfall are June, July and August (0").

Average snowfall days in December
Millville, UT

Average snowfall days in December - Millville, UT
  • Average snowfall days in December: 16.3 days

The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in December / Average sunshine in December - Millville, UT
  • Average daylight in December: 9h and 1min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

Average sunshine days in December
Millville, UT

Average sunshine days in December - Millville, UT
  • Average sunshine days in December: 11.6 days

The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is February (7.8 days).

Average UV index in December
Millville, UT

Average UV index in December - Millville, UT
  • Average UV index in December: 1

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in December
Millville, UT

Average cloud cover in December - Millville, UT
  • Average cloud cover in December: 45

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in December
Millville, UT

Average visibility in December - Millville, UT
  • 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 and February (4mi).

Millville, Utah, USA

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