January weather in Tetonia, ID
The average temperature in Tetonia in January is 21.0°F (9.3°F–32.8°F). Average precipitation: 1.95 inches.
January is a winter month in Tetonia, and is cooler than the annual average of 42.2°F. Daily temperatures swing about 23.5°F between overnight low and afternoon high. Daylight averages about 9h 5m. For travel, January is cold.
Avg High
32.8°F
Avg Low
9.3°F
Precipitation
1.95 in
Daylight
9h 5m
January records in Tetonia
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 48.0°F (1950) | -36.0°F (1979) | 0.73 in (1969) |
| January 2 | 52.0°F (1918) | -38.9°F (1911) | 0.78 in (1921) |
| January 3 | 48.9°F (1930) | -26.0°F (1942) | 0.22 in (1977) |
| January 4 | 46.9°F (1946) | -33.0°F (1942) | 0.50 in (1923) |
| January 5 | 48.0°F (2012) | -33.0°F (1910) | 0.44 in (1936) |
| January 6 | 46.0°F (2022) | -38.9°F (1913) | 0.50 in (1978) |
| January 7 | 50.0°F (1914) | -33.0°F (1937) | 2.22 in (2024) |
| January 8 | 50.0°F (1954) | -29.9°F (1912) | 1.00 in (2017) |
| January 9 | 50.0°F (2019) | -35.0°F (1937) | 0.63 in (1980) |
| January 10 | 46.0°F (1941) | -32.1°F (1962) | 0.98 in (2008) |
| January 11 | 48.9°F (1953) | -35.0°F (1963) | 0.51 in (2017) |
| January 12 | 48.0°F (1990) | -40.0°F (1963) | 0.85 in (2018) |
| January 13 | 48.0°F (1959) | -33.0°F (1917) | 0.57 in (1999) |
| January 14 | 75.9°F (1932) | -34.1°F (1917) | 1.00 in (1956) |
| January 15 | 46.9°F (1974) | -36.0°F (1917) | 0.40 in (1937) |
| January 16 | 60.1°F (1974) | -35.0°F (1917) | 0.61 in (1982) |
| January 17 | 48.9°F (1941) | -41.1°F (1930) | 0.45 in (1938) |
| January 18 | 55.0°F (1986) | -34.1°F (1984) | 0.51 in (1918) |
| January 19 | 48.0°F (1941) | -38.0°F (1963) | 0.87 in (2015) |
| January 20 | 48.0°F (1950) | -34.1°F (2025) | 0.63 in (1969) |
| January 21 | 48.0°F (1941) | -44.0°F (1937) | 0.75 in (1914) |
| January 22 | 48.9°F (1941) | -32.1°F (1917) | 0.32 in (1993) |
| January 23 | 48.0°F (1941) | -29.0°F (1911) | 0.69 in (1967) |
| January 24 | 46.9°F (1941) | -25.1°F (1930) | 0.60 in (1965) |
| January 25 | 46.9°F (1992) | -23.1°F (1957) | 0.41 in (1946) |
| January 26 | 48.9°F (1935) | -27.0°F (1963) | 0.43 in (2023) |
| January 27 | 51.1°F (1987) | -27.9°F (1948) | 0.50 in (1956) |
| January 28 | 48.0°F (1938) | -27.0°F (1980) | 0.40 in (1959) |
| January 29 | 46.9°F (1931) | -33.0°F (1951) | 0.61 in (2008) |
| January 30 | 50.0°F (1935) | -31.0°F (1951) | 2.57 in (1911) |
| January 31 | 54.0°F (1935) | -34.1°F (1908) | 0.78 in (2016) |