December weather in Harman, WV
The average temperature in Harman in December is 30.7°F (23.5°F–37.9°F). Average precipitation: 4.75 inches.
December is a winter month in Harman, and is cooler than the annual average of 46.5°F. Daily temperatures swing about 14.4°F between overnight low and afternoon high. Expect about 19 days with precipitation. Daylight averages about 9h 17m. For travel, December is cold.
Avg High
37.9°F
Avg Low
23.5°F
Precipitation
4.75 in
Daylight
9h 17m
December records in Harman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| December 1 | 64.2°F (2006) | 13.1°F (2024) | 1.24 in (2010) |
| December 2 | 60.1°F (2018) | 11.5°F (2005) | 1.50 in (2007) |
| December 3 | 53.8°F (2023) | 9.5°F (2003) | 0.47 in (2022) |
| December 4 | 60.6°F (2012) | 8.6°F (2010) | 0.83 in (2005) |
| December 5 | 62.4°F (2013) | 10.0°F (2008) | 0.73 in (2024) |
| December 6 | 57.7°F (2021) | 1.9°F (2007) | 2.29 in (2013) |
| December 7 | 60.8°F (2004) | 6.3°F (2010) | 1.82 in (2011) |
| December 8 | 57.6°F (2023) | 4.1°F (2005) | 0.75 in (2013) |
| December 9 | 56.8°F (2023) | 10.4°F (2010) | 1.13 in (2007) |
| December 10 | 54.7°F (2007) | 9.0°F (2009) | 1.07 in (2023) |
| December 11 | 62.2°F (2021) | 6.6°F (2009) | 1.82 in (2008) |
| December 12 | 63.9°F (2015) | 7.3°F (2017) | 0.47 in (2016) |
| December 13 | 62.8°F (2015) | 2.1°F (2005) | 0.80 in (2007) |
| December 14 | 61.3°F (2015) | -1.7°F (2010) | 0.84 in (2003) |
| December 15 | 56.8°F (2021) | -0.9°F (2025) | 0.81 in (2022) |
| December 16 | 63.9°F (2021) | -2.0°F (2016) | 1.28 in (2019) |
| December 17 | 57.4°F (2006) | 11.5°F (2009) | 0.83 in (2016) |
| December 18 | 57.2°F (2016) | 12.2°F (2019) | 1.02 in (2016) |
| December 19 | 54.5°F (2008) | -1.8°F (2004) | 1.12 in (2009) |
| December 20 | 52.2°F (2013) | -6.2°F (2004) | 0.65 in (2012) |
| December 21 | 63.9°F (2013) | 1.0°F (2008) | 0.71 in (2018) |
| December 22 | 62.6°F (2013) | -3.5°F (2008) | 0.67 in (2006) |
| December 23 | 59.0°F (2015) | -12.3°F (2022) | 1.22 in (2017) |
| December 24 | 59.5°F (2015) | -12.6°F (2022) | 0.80 in (2008) |
| December 25 | 60.8°F (2015) | 2.7°F (2022) | 1.06 in (2015) |
| December 26 | 58.6°F (2019) | 4.6°F (2020) | 1.01 in (2012) |
| December 27 | 64.6°F (2015) | -1.8°F (2017) | 0.48 in (2015) |
| December 28 | 57.4°F (2008) | -8.9°F (2017) | 0.70 in (2018) |
| December 29 | 58.8°F (2025) | 7.5°F (2009) | 1.43 in (2013) |
| December 30 | 59.5°F (2019) | 3.4°F (2017) | 0.43 in (2017) |
| December 31 | 57.6°F (2021) | -3.6°F (2017) | 0.52 in (2022) |