December weather forecast and climate
Saint George, UT

The first month of the winter, December, is also a fresh month in Saint George, Utah, with temperature in the range of an average high of 52°F (11.1°C) and an average low of 30.6°F (-0.8°C).

Temperature

December is the coldest month, with an average high-temperature of 52°F (11.1°C) and an average low-temperature of 30.6°F (-0.8°C).

Rainfall

In December, the rain falls for 4.5 days. Throughout December, 0.9" (21.6mm) of precipitation is accumulated. In Saint George, during the entire year, the rain falls for 44.6 days and collects up to 8.8" (223.6mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December.

Daylight

The month with the shortest days in Saint George, Utah, is December, with an average of 9.7h of daylight.

Sunshine

January and December, with an average of 7h of sunshine, are months with the least sunshine.

UV index

January and December, with an average UV index of 2, are months with the lowest UV index in Saint George.

What is the coldest month in Saint George?

The coldest month in Saint George, Utah, is December, with an average high-temperature of 52°F (11.1°C) and an average low-temperature of 30.6°F (-0.8°C).

What is the temperature in December in Saint George?

The average high-temperature, in December, in Saint George, is 52°F (11.1°C), while the average low-temperature is 30.6°F (-0.8°C).

How much does it rain in Saint George in December?

In Saint George, Utah, during December, the rain falls for 4.5 days and regularly aggregates up to 0.9" (21.6mm) of precipitation.

How much does it snow in Saint George in December?

In Saint George, Utah, in December, during 0.2 snowfall days, 0.1" (2.5mm) of snow is typically accumulated.

What is the month with the shortest days in Saint George?

December has the shortest days of the year in Saint George, with an average of 9.7h of daylight.

How many hours of daylight does Saint George have in December?

In December, the average length of the day in Saint George, Utah, is 9.7h.

What is the month with the least sunshine in Saint George?

Months with the least sunshine in Saint George are January and December, with an average of 7h of sunshine.

How many hours of sunshine does Saint George have in December?

The average sunshine in December in Saint George is 7h.

What is the month with the lowest UV index in Saint George?

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

How high is the UV index in December in Saint George?

In December, the average UV index in Saint George, Utah, is 2.
Average temperature in December - Saint George, UT
  • Average high temperature in December: 51.9°F

The warmest month (with the highest average high temperature) is July (101.4°F).
The month with the lowest average high temperature is December (51.9°F).

  • Average low temperature in December: 30.6°F

The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is December (30.6°F).

Average rainfall in December - Saint George, UT
  • Average rainfall in December: 0.9"

The wettest month (with the highest rainfall) is January (1.4").
Driest months (with the lowest rainfall) are May and June (0.2").

Average rainfall days in December - Saint George, UT
  • Average rainfall days in December: 4.5 days

The month with the highest number of rainy days is February (6.1 days).
The month with the lowest number of rainy days is June (1.5 days).

Average snowfall in December - Saint George, UT
  • Average snowfall in December: 0.1"

The month with the highest snowfall is January (0.7").
Months with the lowest snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December - Saint George, UT
  • Average snowfall days in December: 0.2 days

Months with the highest number of snowfall days are January, February and December (0.2 days).
Months with the lowest number of snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Saint George, UT
  • Average daylight in December: 9.7h

The month with the longest days is June (Average daylight: 14.7h).
The month with shortest days is December (Average daylight: 9.7h).

  • Average sunshine in December: 7h

The month with most sunshine is June (Average sunshine: 13h).
Months with least sunshine are January and December (Average sunshine: 7).

Average UV index in December - Saint George, UT
  • Average UV index in December: 2

The month with the highest UV index is July (UV index 11).
Months with the lowest UV index are January and December (UV index 2).

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