January weather in Harriman, TN
The average temperature in Harriman in January is 37.1°F (27.9°F–46.3°F). Average precipitation: 5.46 inches. Average snowfall is 1.1 inches.
January is a winter month in Harriman, and is cooler than the annual average of 58.4°F. Daily temperatures swing about 18.4°F between overnight low and afternoon high. Expect about 10 days with precipitation. Daylight averages about 9h 49m. For travel, January is a wet month.
Avg High
46.3°F
Avg Low
27.9°F
Precipitation
5.46 in
Snow
1.1 in
January records in Harriman
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 69.1°F (2019) | 10.9°F (2018) | 2.42 in (1888) |
| January 2 | 73.9°F (2022) | 6.1°F (2018) | 2.90 in (1937) |
| January 3 | 66.9°F (2023) | 7.0°F (2018) | 3.84 in (2020) |
| January 4 | 70.0°F (2023) | 12.0°F (2008) | 1.82 in (1982) |
| January 5 | 70.0°F (2023) | 12.0°F (2018) | 2.28 in (1949) |
| January 6 | 66.9°F (2007) | 10.0°F (2018) | 1.75 in (1995) |
| January 7 | 66.9°F (2007) | 1.0°F (2014) | 2.89 in (1934) |
| January 8 | 68.0°F (2008) | 1.9°F (2014) | 3.30 in (1946) |
| January 9 | 69.1°F (2008) | 5.0°F (2015) | 1.77 in (1999) |
| January 10 | 64.9°F (2006) | 12.0°F (2010) | 1.50 in (2026) |
| January 11 | 66.9°F (2020) | 12.9°F (2010) | 2.58 in (1974) |
| January 12 | 82.0°F (2023) | 14.0°F (2016) | 2.28 in (1989) |
| January 13 | 69.1°F (2013) | 17.1°F (2003) | 1.64 in (1892) |
| January 14 | 69.1°F (2005) | 10.9°F (2018) | 1.60 in (2005) |
| January 15 | 70.0°F (2007) | 10.9°F (2018) | 1.82 in (1954) |
| January 16 | 64.0°F (2007) | 6.1°F (2009) | 2.76 in (1954) |
| January 17 | 60.1°F (2017) | 1.0°F (2024) | 1.40 in (1888) |
| January 18 | 61.0°F (2017) | 1.9°F (2024) | 1.77 in (1980) |
| January 19 | 64.0°F (2023) | 7.0°F (2003) | 2.09 in (1987) |
| January 20 | 68.0°F (2023) | 8.1°F (2024) | 2.90 in (1988) |
| January 21 | 68.0°F (2017) | 3.0°F (2024) | 3.57 in (1890) |
| January 22 | 63.0°F (2018) | 3.9°F (2024) | 3.31 in (1959) |
| January 23 | 66.9°F (2017) | 7.0°F (2025) | 2.10 in (2002) |
| January 24 | 62.1°F (2002) | 3.0°F (2014) | 2.25 in (2002) |
| January 25 | 62.1°F (2002) | 3.0°F (2003) | 2.46 in (2010) |
| January 26 | 69.1°F (2024) | 12.9°F (2008) | 1.85 in (2026) |
| January 27 | 73.9°F (2024) | 7.0°F (2026) | 2.57 in (2012) |
| January 28 | 66.0°F (2021) | 9.0°F (2026) | 2.07 in (1957) |
| January 29 | 62.1°F (2002) | 0.0°F (2014) | 2.00 in (2014) |
| January 30 | 72.0°F (2002) | 1.0°F (2014) | 2.31 in (1932) |
| January 31 | 72.0°F (2002) | 3.9°F (2014) | 2.55 in (1950) |