December weather forecast
Millville, UT

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Weather in December

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

Temperature

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

Humidity

In Millville, Utah, the average relative humidity in December is 85%.

Rainfall

In December, in Millville, Utah, the rain falls for 11 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. Throughout the year, there are 122.8 rainfall days, and 16.89" (429mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Millville. In Millville, in December, during 16.3 snowfall days, 12.91" (328mm) of snow is typically accumulated. In Millville, during the entire year, snow falls for 77.8 days and aggregates up to 58.86" (1495mm) of snow.

Daylight

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

Sunshine

The average sunshine in December is 5.4h.

UV index

The months with the lowest UV index in Millville, Utah, are January, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the UV index of 1 transforms into the following advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the coldest months in Millville?

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

How cold is December in Millville?

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

What is the average humidity in December in Millville?

In December, the average relative humidity in Millville is 85%.

How many days does it rain in December in Millville?

In Millville, in December, during 11 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

How much does it snow in Millville in December?

In Millville, in December, snow falls for 16.3 days, with typically accumulated 12.91" (328mm) of snow.

What is the month with the shortest days in Millville?

With an average of 9h and 12min of daylight, December has the shortest days of the year in Millville, Utah.

How many hours of daylight does Millville have in December?

The average day length in December is 9h and 13min.

When is the sunrise / sunset in December in Millville?

In December, on the first day of the month, 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?

The average sunshine duration in December in Millville, Utah, is 5.4h.

When is the lowest UV index in Millville?

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

What is the UV index reading in December in Millville?

The average daily maximum UV index in December in Millville is 1. A UV Index 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
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).

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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).

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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).

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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%).

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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").

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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).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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Millville, Utah, USA

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