December weather forecast
Arches National Park, UT

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Beautiful rock formation in the famous Delicate Arch within the Arches National Park, Utah
Beautiful rock formation in the famous Delicate Arch within the Arches National Park, Utah

Weather in December

December in Arches National Park brings about colder weather reminiscent of January. The dwindling temperature dips to an average high of 45°F (7.2°C) and snowfall of around 2.5" (64mm), signalling the return of winter. The decrease in daylight hours, settling at an average of 9.5 hours, restricts the exploration time. Though the rainfall is on the lower side, averaging 0.6" (15mm), combined with the low temperatures, it creates a particularly icy landscape. Moving forward into the new year, the cycle repeats, with a focus on sustenance and survival in the intense cold.

Temperature

In Arches National Park, the beginning of December is marked by a lowered average high-temperature, shifting from November's refreshing 55.9°F (13.3°C) to a chilly 45°F (7.2°C). In December, Arches National Park experiences a significant drop from daily zeniths to an average nighttime temperature of 23°F (-5°C).

Rainfall

In Arches National Park, Utah, during December, the rain falls for 3.9 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Arches National Park, Utah, during the entire year, the rain falls for 58.4 days and collects up to 8.74" (222mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. December is the month with the most snowfall. Snow falls for 1.4 days and accumulates 2.52" (64mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December in Arches National Park, sunrise is at 7:18 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 5:07 pm MST.
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Frequently asked questions

What is the temperature in December in Arches National Park?

In December, the average high-temperature and low-temperature in Arches National Park are 45°F (7.2°C) and 23°F (-5°C) respectively.

How much does it rain in Arches National Park in December?

In Arches National Park, Utah, during December, the rain falls for 3.9 days and regularly aggregates up to 0.55" (14mm) of precipitation.

When does it snow the most in Arches National Park?

December is the month with the most snowfall. Snow falls for 1.4 days and accumulates 2.52" (64mm) of snow.

How many days does it snow in December in Arches National Park?

In Arches National Park, during December, snow falls for 1.4 days and regularly aggregates up to 2.52" (64mm) of snow.

What is the month with the shortest days in Arches National Park?

The month with the shortest days in Arches National Park is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Arches National Park have in December?

In December, the average day length in Arches National Park is 9h and 31min.

What time are sunrise and sunset in December in Arches National Park?

In December, on the first day of the month, sunrise is at 7:18 am and sunset at 4:57 pm. On the last day of the month, in Arches National Park, Utah, sunrise is at 7:36 am and sunset at 5:07 pm MST.
Average rainfall days
Average snowfall days
Average daylight

Average temperature in December
Arches National Park, UT

Average temperature in December - Arches National Park, UT
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is January (44°F).

  • Average low temperature in December: 23°F

The month with the highest average low temperature is July (67°F).
The coldest month (with the lowest average low temperature) is January (22°F).

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Average rainfall in December
Arches National Park, UT

Average rainfall in December - Arches National Park, UT
  • Average rainfall in December: 0.6"

The wettest month (with the highest rainfall) is October (1.2").
The driest month (with the least rainfall) is June (0.4").

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Average rainfall days in December
Arches National Park, UT

Average rainfall days in December - Arches National Park, UT
  • Average rainfall days in December: 3.9 days

The month with the highest number of rainy days is August (6.6 days).
The month with the least rainy days is June (3.1 days).

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Average snowfall in December
Arches National Park, UT

Average snowfall in December - Arches National Park, UT
  • Average snowfall in December: 2.5"

The month with the highest snowfall is December (2.5").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Arches National Park, UT

Average snowfall days in December - Arches National Park, UT
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is December (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December
Arches National Park, UT

Average daylight in December - Arches National Park, UT
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

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Arches National Park, Utah, USA

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