December weather forecast
Moroni, UT

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Weather in December

December, the first month of the winter in Moroni, is also a subzero cold month, with temperature in the range of an average low of 13.1°F (-10.5°C) and an average high of 31.3°F (-0.4°C).

Temperature

Moroni, Utah, notes the coldest temperatures in December, with a high average of 31.3°F (-0.4°C) and a low of 13.1°F (-10.5°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Moroni, in December, it is raining for 3.3 days, with typically 0.87" (22mm) of accumulated precipitation. Throughout the year, there are 79.2 rainfall days, and 10.31" (262mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Moroni. December is the month with the most snowfall. Snow falls for 11.5 days and accumulates 6.46" (164mm) of snow.

Daylight

The month with the shortest days in Moroni, Utah, is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:28 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:46 am and sunset at 5:12 pm MST.

Sunshine

In December, the average sunshine is 5.3h.

UV index

January, February, April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What are the coldest months in Moroni?

December stands out as Moroni's coldest month, with temperatures ranging between an average high of 31.3°F (-0.4°C) and a low of 13.1°F (-10.5°C).

How cold is it in Moroni in December?

In December, the average high-temperature and low-temperature in Moroni are 31.3°F (-0.4°C) and 13.1°F (-10.5°C) respectively. In July, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is appraised at 80.6°F (27°C).

What is the average humidity in December in Moroni?

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

How many days does it rain in December in Moroni?

In Moroni, Utah, in December, it is raining for 3.3 days, with typically 0.87" (22mm) of accumulated precipitation.

When does it snow the most in Moroni?

December is the month with the most snowfall in Moroni. Snow falls for 11.5 days and accumulates 6.46" (164mm) of snow.

How much does it snow in Moroni in December?

In Moroni, in December, snow falls for 11.5 days, with typically accumulated 6.46" (164mm) of snow.

What is the month with the shortest days in Moroni?

The month with the shortest days in Moroni, Utah, is December, with an average of 9h and 24min of daylight.

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

The average day length in December in Moroni, Utah, is 9h and 26min.

When are sunrise and sunset in December in Moroni?

In December, on the first day of the month, sunrise is at 7:28 am and sunset at 5:02 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:12 pm MST.

How long on average sun shines in December in Moroni?

In December, the average sunshine duration in Moroni is 5.3h.

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

January, February, April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Moroni, Utah.

What is the UV index reading in December in Moroni?

In Moroni, Utah, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Moroni, UT

Average temperature in December - Moroni, UT
  • Average high temperature in December: 31.3°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in December: 13.1°F

The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

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Average pressure in December
Moroni, UT

Average pressure in December - Moroni, UT
  • Average pressure in December: 30.19"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in December
Moroni, UT

Average wind speed in December - Moroni, UT
  • Average wind speed in December: 5mph

The windiest months (with the highest average wind speed) are April and June (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).

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Average humidity in December
Moroni, UT

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

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (38%).

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Average rainfall in December
Moroni, UT

Average rainfall in December - Moroni, UT
  • Average rainfall in December: 0.87"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is June (0.39").

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Average rainfall days in December
Moroni, UT

Average rainfall days in December - Moroni, UT
  • Average rainfall days in December: 3.3 days

The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is December (3.3 days).

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Average snowfall in December
Moroni, UT

Average snowfall in December - Moroni, UT
  • Average snowfall in December: 6.46"

The month with the highest snowfall is December (6.46").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Moroni, UT

Average snowfall days in December - Moroni, UT
  • Average snowfall days in December: 11.5 days

The month with the highest number of snowfall days is December (11.5 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
Moroni, UT

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in December
Moroni, UT

Average sunshine days in December - Moroni, UT
  • Average sunshine days in December: 19.1 days

The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.5 days).

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Average UV index in December
Moroni, UT

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, April, October, November and December (UV index 2).

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Average cloud cover in December
Moroni, UT

Average cloud cover in December - Moroni, UT
  • Average cloud cover in December: 43

The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 12).

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Average visibility in December
Moroni, UT

Average visibility in December - Moroni, UT
  • Average visibility in December: 4mi

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

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Moroni, Utah, USA

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