January weather in Portland, TN
The average temperature in Portland in January is 36.0°F (26.6°F–45.3°F). Average precipitation: 4.20 inches. Average snowfall is 0.2 inches.
January is a winter month in Portland, and is cooler than the annual average of 58.3°F. Daily temperatures swing about 18.7°F between overnight low and afternoon high. Expect about 11 days with precipitation. Daylight averages about 9h 46m. For travel, January is cool.
Avg High
45.3°F
Avg Low
26.6°F
Precipitation
4.20 in
Snow
0.2 in
January records in Portland
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 69.1°F (1975) | -0.9°F (1977) | 2.17 in (1979) |
| January 2 | 73.9°F (2022) | 1.9°F (1977) | 1.18 in (2004) |
| January 3 | 72.0°F (2006) | 1.0°F (2018) | 1.68 in (2020) |
| January 4 | 72.0°F (2021) | 0.0°F (1969) | 1.35 in (1982) |
| January 5 | 69.1°F (2004) | -0.9°F (1959) | 1.02 in (1993) |
| January 6 | 64.9°F (2007) | 1.9°F (2014) | 2.47 in (1962) |
| January 7 | 66.9°F (1989) | -11.0°F (1970) | 1.49 in (1991) |
| January 8 | 70.0°F (1965) | -9.0°F (1970) | 1.40 in (2005) |
| January 9 | 69.1°F (2019) | -8.0°F (1970) | 2.75 in (1999) |
| January 10 | 70.0°F (2026) | -5.1°F (1962) | 2.66 in (1974) |
| January 11 | 66.0°F (1960) | -7.1°F (1977) | 2.46 in (1989) |
| January 12 | 68.0°F (2013) | -5.1°F (1977) | 1.90 in (2020) |
| January 13 | 70.0°F (1960) | 0.0°F (1962) | 3.00 in (2023) |
| January 14 | 71.1°F (1959) | 0.0°F (1964) | 2.25 in (2013) |
| January 15 | 66.0°F (1996) | 1.0°F (1972) | 1.02 in (1959) |
| January 16 | 68.0°F (2020) | -5.1°F (1972) | 0.62 in (1995) |
| January 17 | 68.0°F (1990) | -14.1°F (1982) | 2.00 in (2023) |
| January 18 | 68.0°F (2017) | -9.9°F (1977) | 1.48 in (2006) |
| January 19 | 68.0°F (1986) | -9.0°F (1994) | 1.57 in (1988) |
| January 20 | 70.0°F (1974) | -6.0°F (1994) | 1.50 in (2022) |
| January 21 | 70.0°F (1959) | -17.0°F (1985) | 2.90 in (2021) |
| January 22 | 69.1°F (1999) | -7.1°F (1985) | 2.76 in (1957) |
| January 23 | 69.1°F (1999) | 5.0°F (1978) | 3.81 in (1999) |
| January 24 | 70.0°F (1967) | -18.9°F (1963) | 1.13 in (1958) |
| January 25 | 72.0°F (1972) | -8.0°F (1963) | 1.18 in (1978) |
| January 26 | 66.9°F (1967) | 1.0°F (1986) | 1.73 in (2021) |
| January 27 | 71.1°F (1962) | -2.0°F (2003) | 0.96 in (1967) |
| January 28 | 70.0°F (1999) | -14.1°F (1963) | 3.81 in (2009) |
| January 29 | 70.0°F (1975) | -4.0°F (1963) | 3.32 in (1956) |
| January 30 | 72.0°F (1975) | -15.0°F (1966) | 1.90 in (1956) |
| January 31 | 68.0°F (1989) | -7.1°F (1965) | 2.26 in (1999) |