January weather in Mackay, ID
The average temperature in Mackay in January is 19.0°F (8.4°F–29.6°F). Average precipitation: 0.75 inches.
January is a winter month in Mackay, and is cooler than the annual average of 42.2°F. Daily temperatures swing about 21.2°F between overnight low and afternoon high. Expect about 6 days with precipitation. Daylight averages about 9h 4m. For travel, January is cold.
Avg High
29.6°F
Avg Low
8.4°F
Precipitation
0.75 in
Daylight
9h 4m
January records in Mackay
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 55.9°F (1918) | -18.0°F (1985) | 1.05 in (2004) |
| January 2 | 53.1°F (1918) | -20.0°F (1985) | 0.51 in (1910) |
| January 3 | 48.9°F (1939) | -20.0°F (1959) | 0.81 in (1916) |
| January 4 | 52.0°F (1927) | -20.9°F (1942) | 0.25 in (1923) |
| January 5 | 52.0°F (1927) | -27.9°F (1942) | 0.74 in (2008) |
| January 6 | 46.0°F (1962) | -23.1°F (1910) | 0.50 in (1965) |
| January 7 | 46.0°F (1962) | -20.0°F (1937) | 0.21 in (1942) |
| January 8 | 48.9°F (1945) | -20.0°F (1937) | 0.78 in (2005) |
| January 9 | 48.9°F (1945) | -27.0°F (1937) | 0.60 in (1968) |
| January 10 | 50.0°F (1945) | -17.0°F (1937) | 0.42 in (1968) |
| January 11 | 44.1°F (1945) | -20.0°F (1974) | 0.75 in (1960) |
| January 12 | 48.0°F (1953) | -22.0°F (1963) | 0.70 in (2024) |
| January 13 | 53.1°F (2026) | -18.9°F (1917) | 0.45 in (1969) |
| January 14 | 53.1°F (2026) | -18.0°F (1932) | 0.36 in (1952) |
| January 15 | 53.1°F (2026) | -18.0°F (1932) | 0.92 in (1952) |
| January 16 | 53.1°F (2026) | -44.0°F (1987) | 1.28 in (1952) |
| January 17 | 51.1°F (1977) | -16.1°F (1943) | 0.28 in (1964) |
| January 18 | 48.0°F (1977) | -25.1°F (1984) | 0.95 in (1914) |
| January 19 | 48.0°F (1920) | -18.9°F (1943) | 0.62 in (1969) |
| January 20 | 46.9°F (1961) | -22.0°F (1984) | 0.73 in (1969) |
| January 21 | 50.0°F (1961) | -27.0°F (1937) | 1.14 in (1943) |
| January 22 | 48.0°F (1981) | -18.9°F (1927) | 0.75 in (1993) |
| January 23 | 46.0°F (2024) | -17.0°F (1930) | 0.59 in (1943) |
| January 24 | 46.9°F (1992) | -20.0°F (1937) | 0.40 in (1923) |
| January 25 | 45.0°F (1912) | -22.0°F (1937) | 0.84 in (1914) |
| January 26 | 48.9°F (1920) | -16.1°F (1950) | 0.84 in (1969) |
| January 27 | 50.0°F (1920) | -20.9°F (1916) | 0.42 in (1933) |
| January 28 | 48.0°F (2018) | -11.9°F (1929) | 1.14 in (2008) |
| January 29 | 50.0°F (1920) | -18.9°F (1916) | 0.25 in (1981) |
| January 30 | 50.0°F (2024) | -23.1°F (1979) | 0.25 in (1981) |
| January 31 | 50.0°F (1920) | -24.0°F (1979) | 0.76 in (1963) |