December weather in Fairbanks, AK
The average temperature in Fairbanks in December is -3.9°F (-10.8°F–2.9°F). Average precipitation: 0.53 inches. Average snowfall is 10.5 inches.
December is a winter month in Fairbanks, and is cooler than the annual average of 28.5°F. Daily temperatures swing about 13.7°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 3h 7m. For travel, December is cold.
Avg High
2.9°F
Avg Low
-10.8°F
Precipitation
0.53 in
Snow
10.5 in
December records in Fairbanks
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 39.0°F (2020) | -31.0°F (2012) | 0.10 in (2004) |
| December 2 | 39.9°F (2020) | -35.0°F (2012) | 0.35 in (2014) |
| December 3 | 35.1°F (2011) | -38.0°F (2012) | 0.33 in (2025) |
| December 4 | 45.0°F (2011) | -36.9°F (2012) | 0.02 in (2008) |
| December 5 | 30.9°F (2011) | -32.1°F (2012) | 0.08 in (2022) |
| December 6 | 30.9°F (2017) | -27.9°F (2012) | 0.18 in (2008) |
| December 7 | 39.0°F (2005) | -29.9°F (2012) | 0.10 in (2007) |
| December 8 | 37.9°F (2005) | -27.9°F (2012) | 0.12 in (2022) |
| December 9 | 39.9°F (2005) | -29.9°F (2010) | 0.16 in (2013) |
| December 10 | 27.0°F (2017) | -29.9°F (2025) | 0.11 in (2012) |
| December 11 | 39.9°F (2017) | -34.1°F (2025) | 0.08 in (2012) |
| December 12 | 34.0°F (2011) | -32.1°F (2021) | 0.61 in (2012) |
| December 13 | 41.0°F (2017) | -36.0°F (2021) | 0.41 in (2023) |
| December 14 | 25.0°F (2017) | -36.9°F (2021) | 0.04 in (2013) |
| December 15 | 34.0°F (2017) | -38.0°F (2012) | 0.14 in (2022) |
| December 16 | 43.0°F (2005) | -40.0°F (2012) | 0.09 in (2023) |
| December 17 | 42.1°F (2005) | -43.1°F (2012) | 0.15 in (2016) |
| December 18 | 37.9°F (2011) | -38.9°F (2012) | 0.11 in (2009) |
| December 19 | 30.9°F (2011) | -38.0°F (2007) | 0.47 in (2021) |
| December 20 | 30.0°F (2011) | -42.0°F (2012) | 0.63 in (2021) |
| December 21 | 33.1°F (2011) | -43.1°F (2012) | 0.10 in (2013) |
| December 22 | 35.1°F (2020) | -41.1°F (2012) | 0.24 in (2013) |
| December 23 | 26.1°F (2004) | -38.0°F (2010) | 0.16 in (2021) |
| December 24 | 23.0°F (2023) | -38.9°F (2010) | 0.33 in (2025) |
| December 25 | 21.0°F (2009) | -36.0°F (2004) | 0.44 in (2021) |
| December 26 | 37.0°F (2021) | -40.0°F (2013) | 1.90 in (2021) |
| December 27 | 37.9°F (2021) | -40.0°F (2013) | 0.05 in (2021) |
| December 28 | 21.9°F (2021) | -44.0°F (2025) | 0.70 in (2021) |
| December 29 | 33.1°F (2021) | -42.0°F (2025) | 0.47 in (2016) |
| December 30 | 41.0°F (2015) | -38.9°F (2025) | 0.38 in (2016) |
| December 31 | 39.0°F (2015) | -42.0°F (2008) | 0.04 in (2010) |