December weather forecast
Magna, UT

Weather in December

The first month of the winter, December, is also a wintry month in Magna, Utah, with average temperature ranging between min 21.9°F (-5.6°C) and max 34.2°F (1.2°C).

Temperature

In December, the average high-temperature drops, from a frosty 46.2°F (7.9°C) in November, to a cold 34.2°F (1.2°C). In Magna, the average low-temperature is 21.9°F (-5.6°C).

Humidity

In Magna, the average relative humidity in December is 78%.

Rainfall

The month with the most rainfall in Magna is December when the rain falls for 9 days and typically aggregates up to 1.61" (41mm) of precipitation.

Snowfall

Months with snowfall in Magna are January through April, October through December. In December, in Magna, it is snowing for 10 days. Throughout December, 7.28" (185mm) of snow is accumulated. In Magna, during the entire year, snow falls for 44.4 days, and aggregates up to 31.42" (798mm) of snow.

Daylight

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

Sunshine

The average sunshine in Magna is 6h.

UV index

Months with the lowest UV index in Magna 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 hazard from the exposure to the Sun's UV radiation for the average person.
Note: The daily maximum UV index of 2 interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Magna?

In December, the average relative humidity is 78%.

What is the rainiest month in Magna?

The month with the most rainfall in Magna is December when the rain falls for 9 days and typically aggregates up to 1.61" (41mm) of precipitation.

How much does it rain in Magna in December?

In December, in Magna, Utah, the rain falls for 9 days. Throughout December, 1.61" (41mm) of precipitation is accumulated.

How many days does it snow in December in Magna?

In Magna, in December, snow falls for 10 days, with typically accumulated 7.28" (185mm) of snow.

What is the month with the shortest days in Magna?

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

How many hours of daylight does Magna have in December?

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

How many hours of sunshine does Magna have in December?

In Magna, Utah, the average sunshine in December is 6h.

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

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

What is the UV index intensity in December in Magna?

The average daily maximum UV index in December in Magna is 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Magna, UT

Average temperature in December - Magna, UT
  • Average high temperature in December: 34.2°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in December: 21.9°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in December
Magna, UT

Average pressure in December - Magna, UT
  • Average pressure in December: 30.22"

The month with the highest atmospheric pressure is January (30.28").
The month with the lowest atmospheric pressure is June (29.87").

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Average wind speed in December
Magna, UT

Average wind speed in December - Magna, UT
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is March (6.7mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).

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Average humidity in December
Magna, UT

Average humidity in December - Magna, UT
  • Average humidity in December: 78%

The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (36%).

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Average rainfall in December
Magna, UT

Average rainfall in December - Magna, UT
  • Average rainfall in December: 1.61"

The wettest month (with the highest rainfall) is December (1.61").
The driest month (with the least rainfall) is June (0.35").

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Average rainfall days in December
Magna, UT

Average rainfall days in December - Magna, UT
  • Average rainfall days in December: 9 days

The month with the highest number of rainy days is April (12.2 days).
The month with the least rainy days is June (4.6 days).

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Average snowfall in December
Magna, UT

Average snowfall in December - Magna, UT
  • Average snowfall in December: 7.28"

The month with the highest snowfall is January (8.15").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Magna, UT

Average snowfall days in December - Magna, UT
  • Average snowfall days in December: 10 days

The month with the highest number of snowfall days is January (11 days).
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
Magna, UT

Average daylight in December / Average sunshine in December - Magna, 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: 6h

The month with the most sunshine is August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5.6h).

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Average sunshine days in December
Magna, UT

Average sunshine days in December - Magna, UT
  • Average sunshine days in December: 16.6 days

The month with the most sunshine days is June (23.6 days).
The month with the least sunshine days is February (13.6 days).

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Average UV index in December
Magna, UT

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

Months with the highest UV index are June, July and August (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
Magna, UT

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

Months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in December
Magna, UT

Average visibility in December - Magna, 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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