January weather in Shelley, ID
The average temperature in Shelley in January is 20.4°F (12.1°F–28.7°F). Average precipitation: 0.67 inches.
January is a winter month in Shelley, and is cooler than the annual average of 44.2°F. Daily temperatures swing about 16.6°F between overnight low and afternoon high. Expect about 8 days with precipitation. Daylight averages about 9h 7m. For travel, January is cold.
Avg High
28.7°F
Avg Low
12.1°F
Precipitation
0.67 in
Daylight
9h 7m
January records in Shelley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 53.1°F (1981) | -33.0°F (1979) | 0.34 in (2010) |
| January 2 | 45.0°F (1981) | -25.1°F (1974) | 0.53 in (2006) |
| January 3 | 48.9°F (2026) | -14.1°F (1952) | 0.17 in (1977) |
| January 4 | 45.0°F (2012) | -20.0°F (1973) | 0.18 in (1977) |
| January 5 | 46.9°F (2012) | -24.0°F (1979) | 0.35 in (1976) |
| January 6 | 46.9°F (1956) | -22.9°F (2017) | 0.23 in (1964) |
| January 7 | 51.1°F (1956) | -22.0°F (1979) | 0.16 in (1965) |
| January 8 | 46.0°F (2009) | -22.0°F (1979) | 0.26 in (1985) |
| January 9 | 51.1°F (1990) | -23.1°F (1974) | 0.25 in (2018) |
| January 10 | 48.9°F (1990) | -16.1°F (1977) | 0.25 in (1980) |
| January 11 | 44.1°F (1953) | -27.0°F (1963) | 0.50 in (1993) |
| January 12 | 48.0°F (1953) | -33.0°F (1963) | 0.39 in (1980) |
| January 13 | 48.0°F (1990) | -20.9°F (1963) | 0.17 in (1970) |
| January 14 | 45.0°F (2012) | -18.9°F (2013) | 0.42 in (1953) |
| January 15 | 45.0°F (1974) | -20.9°F (1964) | 0.48 in (1956) |
| January 16 | 48.0°F (1974) | -14.1°F (1960) | 0.26 in (1970) |
| January 17 | 44.1°F (1981) | -24.0°F (1984) | 0.30 in (2019) |
| January 18 | 48.0°F (2018) | -27.0°F (1984) | 0.34 in (2000) |
| January 19 | 45.0°F (1971) | -22.0°F (1963) | 0.30 in (1969) |
| January 20 | 51.1°F (1953) | -20.9°F (1984) | 0.34 in (1957) |
| January 21 | 44.1°F (1953) | -29.0°F (1962) | 0.76 in (1969) |
| January 22 | 50.0°F (1981) | -27.0°F (1962) | 0.14 in (2010) |
| January 23 | 52.0°F (1970) | -29.0°F (1962) | 0.34 in (2009) |
| January 24 | 46.0°F (1953) | -18.0°F (1949) | 0.26 in (2009) |
| January 25 | 53.1°F (1953) | -25.1°F (1949) | 0.16 in (1983) |
| January 26 | 46.9°F (2003) | -17.9°F (2009) | 0.27 in (1956) |
| January 27 | 46.0°F (2003) | -28.8°F (2009) | 0.35 in (2023) |
| January 28 | 46.0°F (1967) | -25.1°F (1949) | 0.31 in (1987) |
| January 29 | 46.9°F (1953) | -29.0°F (1979) | 0.32 in (2014) |
| January 30 | 50.0°F (2018) | -31.9°F (2023) | 0.18 in (2006) |
| January 31 | 57.0°F (2003) | -33.0°F (1985) | 0.21 in (1963) |