December weather in Fincastle, VA
The average temperature in Fincastle in December is 38.6°F (28.5°F–48.7°F). Average precipitation: 3.33 inches. Average snowfall is 2.7 inches.
December is a winter month in Fincastle, and is cooler than the annual average of 55.6°F. Daily temperatures swing about 20.2°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 25m. For travel, December is cool.
Avg High
48.7°F
Avg Low
28.5°F
Precipitation
3.33 in
Snow
2.7 in
December records in Fincastle
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 75.9°F (1998) | 19.0°F (2023) | 2.64 in (2010) |
| December 2 | 77.0°F (2006) | 21.0°F (2013) | 0.92 in (2015) |
| December 3 | 71.1°F (1998) | 21.9°F (2022) | 1.19 in (2009) |
| December 4 | 72.0°F (2012) | 16.0°F (2024) | 0.38 in (2005) |
| December 5 | 77.0°F (1998) | 16.0°F (2000) | 1.40 in (2020) |
| December 6 | 78.1°F (2001) | 21.9°F (2024) | 0.44 in (2005) |
| December 7 | 80.1°F (1998) | 14.0°F (2002) | 1.27 in (2011) |
| December 8 | 81.0°F (1998) | 14.0°F (2002) | 0.82 in (2011) |
| December 9 | 66.9°F (1998) | 15.1°F (2010) | 1.20 in (2009) |
| December 10 | 63.0°F (1999) | 14.0°F (2010) | 1.09 in (2018) |
| December 11 | 72.0°F (2007) | 12.0°F (2018) | 1.43 in (2001) |
| December 12 | 72.0°F (2015) | 12.0°F (2018) | 1.30 in (2008) |
| December 13 | 75.0°F (2015) | 19.0°F (2000) | 0.71 in (1998) |
| December 14 | 66.9°F (2015) | 12.9°F (2010) | 1.25 in (1999) |
| December 15 | 69.1°F (2001) | 10.0°F (2025) | 0.84 in (2022) |
| December 16 | 66.9°F (2015) | 10.9°F (2025) | 1.14 in (2005) |
| December 17 | 69.1°F (2021) | 16.0°F (2016) | 0.73 in (2000) |
| December 18 | 69.1°F (2006) | 19.9°F (2000) | 0.75 in (2023) |
| December 19 | 71.1°F (2006) | 19.9°F (2000) | 0.59 in (2009) |
| December 20 | 66.9°F (2008) | 7.0°F (2004) | 0.61 in (2002) |
| December 21 | 64.9°F (1998) | 7.0°F (2004) | 1.38 in (2018) |
| December 22 | 69.1°F (2013) | 14.0°F (2008) | 0.34 in (2022) |
| December 23 | 66.0°F (2013) | 9.0°F (2000) | 1.57 in (2011) |
| December 24 | 64.9°F (2025) | 1.0°F (2022) | 0.77 in (2014) |
| December 25 | 68.0°F (2015) | 3.0°F (2022) | 1.07 in (2002) |
| December 26 | 68.0°F (2015) | 10.9°F (2000) | 1.29 in (2009) |
| December 27 | 66.9°F (2019) | 10.9°F (2000) | 1.23 in (2023) |
| December 28 | 75.9°F (2015) | 12.0°F (2017) | 0.78 in (2018) |
| December 29 | 66.9°F (2019) | 10.9°F (2017) | 0.96 in (2007) |
| December 30 | 66.0°F (2015) | 14.0°F (2017) | 0.37 in (2013) |
| December 31 | 66.9°F (2019) | 14.0°F (2017) | 0.27 in (2007) |