December weather in St. George, AK
The average temperature in St. George in December is 29.8°F (25.9°F–33.7°F). Average precipitation: 1.78 inches.
December is a winter month in St. George, and is cooler than the annual average of 36.7°F. Daily temperatures swing about 7.8°F between overnight low and afternoon high. Expect about 19 days with precipitation. Daylight averages about 6h 34m. For travel, December is cold.
Avg High
33.7°F
Avg Low
25.9°F
Precipitation
1.78 in
Daylight
6h 34m
December records in St. George
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 45.0°F (2022) | 16.0°F (1997) | 0.39 in (2002) |
| December 2 | 44.1°F (2022) | 12.2°F (2020) | 0.33 in (2010) |
| December 3 | 44.1°F (2013) | 8.2°F (2009) | 0.25 in (2015) |
| December 4 | 44.1°F (2013) | 18.0°F (1999) | 0.88 in (2019) |
| December 5 | 44.1°F (2018) | 10.9°F (1999) | 0.45 in (2022) |
| December 6 | 43.0°F (2009) | 9.0°F (1999) | 0.62 in (2013) |
| December 7 | 43.0°F (2000) | 7.0°F (1999) | 0.66 in (2013) |
| December 8 | 43.0°F (2000) | 19.0°F (1997) | 0.42 in (2015) |
| December 9 | 42.1°F (2013) | 20.1°F (2016) | 0.32 in (2022) |
| December 10 | 42.1°F (2011) | 12.0°F (2005) | 0.27 in (2020) |
| December 11 | 41.0°F (2012) | 12.0°F (2001) | 0.21 in (2020) |
| December 12 | 41.0°F (2022) | 10.0°F (1998) | 0.41 in (2000) |
| December 13 | 39.9°F (2011) | 8.1°F (2001) | 0.62 in (2015) |
| December 14 | 41.0°F (2023) | 10.9°F (1999) | 1.27 in (2014) |
| December 15 | 39.0°F (2000) | 9.1°F (2012) | 0.52 in (2000) |
| December 16 | 42.1°F (2022) | 12.9°F (1999) | 0.66 in (2023) |
| December 17 | 42.1°F (2022) | 9.0°F (1999) | 0.24 in (2015) |
| December 18 | 43.0°F (2017) | 9.0°F (1999) | 0.39 in (2017) |
| December 19 | 43.0°F (2022) | 7.0°F (1999) | 0.51 in (2014) |
| December 20 | 41.0°F (2017) | 3.0°F (1999) | 0.39 in (2013) |
| December 21 | 42.1°F (2017) | 5.2°F (2006) | 0.73 in (2007) |
| December 22 | 42.1°F (2025) | 7.0°F (1999) | 0.84 in (2022) |
| December 23 | 41.0°F (2015) | 4.1°F (2007) | 0.31 in (2015) |
| December 24 | 42.1°F (2015) | 6.3°F (2006) | 0.51 in (2015) |
| December 25 | 42.1°F (2025) | 6.3°F (2022) | 0.42 in (2015) |
| December 26 | 41.0°F (2003) | 7.2°F (2022) | 0.78 in (2020) |
| December 27 | 41.0°F (2014) | 8.2°F (2011) | 0.48 in (2006) |
| December 28 | 41.0°F (2016) | 9.1°F (2018) | 0.20 in (2023) |
| December 29 | 41.0°F (2016) | 7.2°F (2007) | 0.59 in (2010) |
| December 30 | 39.9°F (2004) | 8.2°F (2019) | 0.19 in (2022) |
| December 31 | 42.1°F (2016) | 11.1°F (2008) | 0.66 in (2020) |