January weather in Signal Mountain, TN
The average temperature in Signal Mountain in January is 37.2°F (28.7°F–45.6°F). Average precipitation: 5.53 inches.
January is a winter month in Signal Mountain, and is cooler than the annual average of 57.4°F. Daily temperatures swing about 16.9°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 9h 53m. For travel, January is a wet month.
Avg High
45.6°F
Avg Low
28.7°F
Precipitation
5.53 in
Daylight
9h 53m
January records in Signal Mountain
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 59.0°F (1997) | 15.1°F (2001) | 1.91 in (2011) |
| January 2 | 69.1°F (2022) | 6.1°F (2018) | 1.95 in (2022) |
| January 3 | 64.0°F (2006) | 9.0°F (2008) | 2.50 in (2020) |
| January 4 | 66.0°F (2004) | 10.0°F (2008) | 1.80 in (2023) |
| January 5 | 64.9°F (2005) | 8.1°F (1999) | 0.72 in (1997) |
| January 6 | 64.0°F (2005) | 8.1°F (1999) | 1.06 in (2009) |
| January 7 | 61.0°F (2008) | -2.0°F (2014) | 2.06 in (2009) |
| January 8 | 64.9°F (2008) | -0.9°F (2014) | 2.51 in (1998) |
| January 9 | 62.1°F (2026) | 7.0°F (1996) | 2.45 in (2024) |
| January 10 | 62.1°F (2026) | 9.0°F (2010) | 1.94 in (2026) |
| January 11 | 61.0°F (2008) | 1.9°F (1997) | 1.17 in (2014) |
| January 12 | 64.0°F (2005) | 9.0°F (1997) | 2.10 in (2012) |
| January 13 | 64.0°F (2013) | 10.9°F (1997) | 0.59 in (2023) |
| January 14 | 64.0°F (2007) | 10.9°F (1997) | 2.33 in (1999) |
| January 15 | 66.9°F (2017) | 12.9°F (2018) | 2.52 in (2013) |
| January 16 | 66.9°F (2017) | 1.9°F (2009) | 1.29 in (2013) |
| January 17 | 62.1°F (2017) | 1.0°F (1997) | 1.05 in (2010) |
| January 18 | 63.0°F (2017) | 1.9°F (1997) | 1.30 in (2025) |
| January 19 | 60.1°F (2017) | 1.9°F (2018) | 3.03 in (2001) |
| January 20 | 62.1°F (2023) | 3.9°F (2025) | 1.68 in (2017) |
| January 21 | 66.0°F (2017) | 5.0°F (2025) | 1.03 in (2006) |
| January 22 | 66.9°F (1999) | 6.1°F (2025) | 1.05 in (2007) |
| January 23 | 66.9°F (2018) | 6.1°F (2025) | 2.84 in (1999) |
| January 24 | 61.0°F (2002) | 1.0°F (2003) | 0.94 in (1996) |
| January 25 | 61.0°F (2002) | 1.9°F (2014) | 2.30 in (2010) |
| January 26 | 64.0°F (2019) | 3.9°F (2003) | 1.58 in (2004) |
| January 27 | 62.1°F (2021) | 7.0°F (2026) | 2.42 in (1996) |
| January 28 | 64.0°F (2009) | 14.0°F (2014) | 1.95 in (1997) |
| January 29 | 66.9°F (1999) | 10.0°F (2007) | 0.47 in (2003) |
| January 30 | 71.1°F (2002) | 3.0°F (2014) | 0.95 in (2003) |
| January 31 | 63.0°F (2011) | 10.0°F (2007) | 1.38 in (1999) |