December weather forecast
Clarkston, UT

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Weather in December

The first month of the winter, December, is still a freezing cold month in Clarkston, Utah, with an average temperature varying between 28.6°F (-1.9°C) and 15.1°F (-9.4°C).

Temperature

Clarkston's coldest month, December, registers temperatures that range from a high of 28.6°F (-1.9°C) to a low of 15.1°F (-9.4°C).

Humidity

In December, the average relative humidity is 86%.

Rainfall

In Clarkston, in December, during 8.2 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, in Clarkston, there are 117.9 rainfall days, and 17.68" (449mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall. In Clarkston, in December, snow falls for 15.1 days, with typically accumulated 11.73" (298mm) of snow. In Clarkston, during the entire year, snow falls for 71.1 days and aggregates up to 56.1" (1425mm) of snow.

Daylight

With an average of 9h and 12min of daylight, December has the shortest days of the year in Clarkston.
On the first day of December, sunrise is at 7:37 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:07 pm MST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: A daily maximum UV index of 1 in December translates into the following instructions:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

What month is the coldest in Clarkston?

December, with its average high-temperature of 28.6°F (-1.9°C) and an average low-temperature of 15.1°F (-9.4°C), holds the record as the coldest month in Clarkston.

How cold is it in Clarkston in December?

In December, in Clarkston, the average high-temperature is 28.6°F (-1.9°C), and the average low-temperature is 15.1°F (-9.4°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 82.4°F (28°C).

What is the average humidity in December in Clarkston?

The average relative humidity in December in Clarkston, Utah, is 86%.

How much does it rain in Clarkston in December?

In Clarkston, Utah, in December, during 8.2 rainfall days, 1.77" (45mm) of precipitation is typically accumulated.

How many days does it snow in December in Clarkston?

In Clarkston, Utah, during December, snow falls for 15.1 days and regularly aggregates up to 11.73" (298mm) of snow.

What is the month with the shortest days in Clarkston?

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

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

The average day length in December in Clarkston is 9h and 11min.

What time are sunrise and sunset in December in Clarkston?

On the first day of December, sunrise is at 7:37 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:07 pm MST.

How many hours of sunshine does Clarkston have in December?

In Clarkston, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Clarkston?

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

How high is the UV index in December in Clarkston?

The average daily maximum UV index in December in Clarkston, Utah, is 1. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
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
Clarkston, UT

Average temperature in December - Clarkston, UT
  • Average high temperature in December: 28.6°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is December (28.6°F).

  • Average low temperature in December: 15.1°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 (13.6°F).

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Average pressure in December
Clarkston, UT

Average pressure in December - Clarkston, UT
  • Average pressure in December: 30.25"Hg

The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).

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Average wind speed in December
Clarkston, UT

Average wind speed in December - Clarkston, UT
  • Average wind speed in December: 4.3mph

The windiest months (with the highest average wind speed) are April, June and August (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).

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Average humidity in December
Clarkston, UT

Average humidity in December - Clarkston, UT
  • Average humidity in December: 86%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (38%).

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Average rainfall in December
Clarkston, UT

Average rainfall in December - Clarkston, UT
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is January (2.24").
The driest month (with the least rainfall) is July (0.63").

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Average rainfall days in December
Clarkston, UT

Average rainfall days in December - Clarkston, UT
  • Average rainfall days in December: 8.2 days

The month with the highest number of rainy days is May (14.9 days).
The month with the least rainy days is November (6.7 days).

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Average snowfall in December
Clarkston, UT

Average snowfall in December - Clarkston, UT
  • Average snowfall in December: 11.73"

The month with the highest snowfall is January (16.73").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in December
Clarkston, UT

Average snowfall days in December - Clarkston, UT
  • Average snowfall days in December: 15.1 days

The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are July and August (0 days).

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

Average daylight in December / Average sunshine in December - Clarkston, 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 1min

The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).

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Average sunshine days in December
Clarkston, UT

Average sunshine days in December - Clarkston, UT
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is February (9.1 days).

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Average UV index in December
Clarkston, UT

Average UV index in December - Clarkston, 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 and December (UV index 1).

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Average cloud cover in December
Clarkston, UT

Average cloud cover in December - Clarkston, UT
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 10).

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Average visibility in December
Clarkston, UT

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

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, February and December (4mi).

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Clarkston, Utah, USA

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