December weather forecast
Mapleton, UT

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Weather in December

December, the first month of the winter in Mapleton, is also a wintry month, with an average temperature ranging between min 16.2°F (-8.8°C) and max 32.4°F (0.2°C).

Temperature

With an average high-temperature of 32.4°F (0.2°C) and an average low-temperature of 16.2°F (-8.8°C), December is the coldest month.

Humidity

The average relative humidity in December in Mapleton, Utah, is 80%.

Rainfall

The months with the most rainfall are January and December, with an average 1.46" (37mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, in Mapleton, it is snowing for 12.2 days. Throughout December, 6.77" (172mm) of snow is accumulated. In Mapleton, during the entire year, snow falls for 54.1 days and aggregates up to 33.5" (851mm) of snow.

Daylight

The month with the shortest days in Mapleton is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:10 pm MST.

Sunshine

In December, the average sunshine is 5.9h.

UV index

January, February, November and 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 minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The UV index of 2 during December leads to these advisories:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
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Frequently asked questions

What time of the year is the coldest in Mapleton?

Mapleton's December weather, marked by an average high temperature of 32.4°F (0.2°C) and an average low temperature of 16.2°F (-8.8°C), is the coldest in the year.

How cold is it in Mapleton in December?

The high-temperature in Mapleton, Utah, during December is 32.4°F (0.2°C) and the low-temperature is 16.2°F (-8.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 82.4°F (28°C).

What is the average humidity in December in Mapleton?

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

What is the wettest month in Mapleton?

The months with the most rainfall in Mapleton are January and December, with an average 1.46" (37mm) of precipitation.

How much does it rain in Mapleton in December?

In Mapleton, during December, the rain falls for 10.1 days and regularly aggregates up to 1.46" (37mm) of precipitation.

How many days does it snow in December in Mapleton?

In Mapleton, Utah, during December, snow falls for 12.2 days and regularly aggregates up to 6.77" (172mm) of snow.

What is the month with the shortest days in Mapleton?

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

How many hours of daylight does Mapleton have in December?

In December, the average day length in Mapleton is 9h and 22min.

When are sunrise and sunset in December in Mapleton?

In December, on the first day of the month, sunrise is at 7:30 am and sunset at 5:01 pm. On the last day of the month, in Mapleton, sunrise is at 7:48 am and sunset at 5:10 pm MST.

How many hours of sunshine does Mapleton have in December?

In December, the average sunshine duration in Mapleton is 5.9h.

When is the lowest UV index in Mapleton?

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

What is the UV index reading in December in Mapleton?

The average daily maximum UV index in December in Mapleton is 2. A UV Index value 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
Mapleton, UT

Average temperature in December - Mapleton, UT
  • Average high temperature in December: 32.4°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (32.4°F).

  • Average low temperature in December: 16.2°F

The month with the highest average low temperature is July (55.9°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).

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Average pressure in December
Mapleton, UT

Average pressure in December - Mapleton, UT
  • Average pressure in December: 30.21"Hg

The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).

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Average wind speed in December
Mapleton, UT

Average wind speed in December - Mapleton, UT
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is June (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.5mph).

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Average humidity in December
Mapleton, UT

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

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is July (39%).

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Average rainfall in December
Mapleton, UT

Average rainfall in December - Mapleton, UT
  • Average rainfall in December: 1.46"

The wettest months (with the highest rainfall) are January and December (1.46").
The driest month (with the least rainfall) is August (0.51").

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Average rainfall days in December
Mapleton, UT

Average rainfall days in December - Mapleton, UT
  • Average rainfall days in December: 10.1 days

The month with the highest number of rainy days is March (13.3 days).
The month with the least rainy days is June (6 days).

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Average snowfall in December
Mapleton, UT

Average snowfall in December - Mapleton, UT
  • Average snowfall in December: 6.77"

The month with the highest snowfall is January (8.66").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Mapleton, UT

Average snowfall days in December - Mapleton, UT
  • Average snowfall days in December: 12.2 days

The month with the highest number of snowfall days is December (12.2 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 5h and 5min

The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).

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Average sunshine days in December
Mapleton, UT

Average sunshine days in December - Mapleton, UT
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is June (21.3 days).
The month with the least sunshine days is February (10.9 days).

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Average UV index in December
Mapleton, UT

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

The month with the highest UV index is July (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
Mapleton, UT

Average cloud cover in December - Mapleton, UT
  • Average cloud cover in December: 38

The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in December
Mapleton, UT

Average visibility in December - Mapleton, UT
  • Average visibility in December: 5mi

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

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Mapleton, Utah, USA

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