December weather forecast and climate
Saint George, UT

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, 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, in December, during 4.5 rainfall days, typically 0.9" (21.6mm) of precipitation is accumulated.

How much does it snow in Saint George in December?

In Saint George, during December, snow falls for 0.2 days and regularly aggregates up to 0.1" (2.5mm) of snow.
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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