March weather in Signal Mountain, TN
The average temperature in Signal Mountain in March is 48.4°F (38.6°F–58.3°F). Average precipitation: 5.59 inches.
March is a spring month in Signal Mountain, and is cooler than the annual average of 57.4°F. Daily temperatures swing about 19.7°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 11h 46m. For travel, March is a wet month.
Avg High
58.3°F
Avg Low
38.6°F
Precipitation
5.59 in
Daylight
11h 46m
March records in Signal Mountain
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| March 1 | 72.0°F (2023) | 18.0°F (2002) | 2.17 in (2018) |
| March 2 | 73.0°F (1997) | 18.0°F (2009) | 0.94 in (2023) |
| March 3 | 72.0°F (2012) | 14.0°F (2009) | 1.80 in (1997) |
| March 4 | 75.0°F (2022) | 12.0°F (2002) | 1.20 in (2008) |
| March 5 | 75.0°F (2022) | 16.0°F (2002) | 1.00 in (2025) |
| March 6 | 70.0°F (2022) | 15.1°F (2015) | 2.95 in (1996) |
| March 7 | 75.0°F (2026) | 17.1°F (2019) | 2.11 in (1996) |
| March 8 | 73.0°F (2000) | 6.1°F (1996) | 1.18 in (1998) |
| March 9 | 75.9°F (2009) | 6.1°F (1996) | 2.82 in (2011) |
| March 10 | 73.9°F (2009) | 10.9°F (1996) | 0.83 in (2011) |
| March 11 | 71.1°F (2006) | 15.1°F (1998) | 1.30 in (2000) |
| March 12 | 73.9°F (2006) | 10.0°F (1998) | 1.55 in (2026) |
| March 13 | 78.1°F (2006) | 14.0°F (1998) | 1.55 in (2001) |
| March 14 | 75.0°F (2007) | 21.0°F (2022) | 1.59 in (1997) |
| March 15 | 77.0°F (2012) | 19.9°F (2017) | 1.12 in (2024) |
| March 16 | 82.0°F (2012) | 19.0°F (2017) | 2.10 in (2025) |
| March 17 | 81.0°F (2016) | 21.9°F (2026) | 1.02 in (2014) |
| March 18 | 77.0°F (2018) | 19.0°F (2023) | 2.48 in (2021) |
| March 19 | 78.1°F (2012) | 19.0°F (2023) | 1.90 in (1997) |
| March 20 | 80.1°F (2012) | 19.0°F (2023) | 1.85 in (2000) |
| March 21 | 79.0°F (2012) | 19.9°F (2013) | 1.24 in (2006) |
| March 22 | 80.1°F (2026) | 16.0°F (2002) | 0.78 in (2023) |
| March 23 | 81.0°F (2026) | 18.0°F (2002) | 1.48 in (2022) |
| March 24 | 75.9°F (2023) | 28.9°F (2013) | 1.45 in (2013) |
| March 25 | 79.0°F (2007) | 28.0°F (2001) | 0.80 in (2016) |
| March 26 | 82.0°F (2007) | 23.0°F (2001) | 2.20 in (2021) |
| March 27 | 77.0°F (2007) | 25.0°F (2001) | 2.47 in (2011) |
| March 28 | 77.0°F (2007) | 26.1°F (2015) | 1.76 in (1996) |
| March 29 | 78.1°F (2004) | 26.1°F (2015) | 0.70 in (2010) |
| March 30 | 78.1°F (2007) | 26.1°F (2015) | 1.10 in (2002) |
| March 31 | 75.9°F (1998) | 28.9°F (2003) | 1.65 in (2021) |