January weather in Tracy, CA
The average temperature in Tracy in January is 46.8°F (36.4°F–57.2°F). Average precipitation: 2.34 inches.
January is a winter month in Tracy, and is cooler than the annual average of 61°F. Daily temperatures swing about 20.8°F between overnight low and afternoon high. Daylight averages about 9h 40m. For travel, January is cool.
Avg High
57.2°F
Avg Low
36.4°F
Precipitation
2.34 in
Daylight
9h 40m
January records in Tracy
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 64.9°F (1997) | 21.0°F (1979) | 1.45 in (2023) |
| January 2 | 66.9°F (2007) | 18.0°F (1961) | 1.18 in (1914) |
| January 3 | 62.1°F (1996) | 23.0°F (2011) | 0.84 in (1916) |
| January 4 | 64.9°F (2007) | 21.0°F (1993) | 0.85 in (1916) |
| January 5 | 64.9°F (2012) | 21.9°F (1950) | 0.73 in (1998) |
| January 6 | 68.0°F (2012) | 23.0°F (1950) | 0.44 in (2016) |
| January 7 | 66.0°F (1990) | -4.0°F (2008) | 0.65 in (2019) |
| January 8 | 66.9°F (1990) | 25.0°F (1973) | 0.80 in (2008) |
| January 9 | 69.1°F (1953) | 26.1°F (1977) | 1.24 in (2018) |
| January 10 | 70.0°F (1953) | 25.0°F (2026) | 1.06 in (1995) |
| January 11 | 68.0°F (1953) | 26.1°F (2026) | 0.80 in (1911) |
| January 12 | 66.9°F (1959) | 26.1°F (1963) | 1.04 in (1952) |
| January 13 | 70.0°F (1980) | 24.1°F (1963) | 1.11 in (1911) |
| January 14 | 69.1°F (2009) | 23.0°F (1963) | 1.40 in (1908) |
| January 15 | 68.0°F (2021) | 23.0°F (1963) | 0.90 in (1913) |
| January 16 | 68.0°F (2009) | 19.9°F (2007) | 1.50 in (2023) |
| January 17 | 70.0°F (1998) | 26.1°F (1960) | 0.57 in (1916) |
| January 18 | 66.9°F (1981) | 26.1°F (2001) | 1.13 in (2016) |
| January 19 | 73.9°F (2021) | 26.1°F (1987) | 0.90 in (1999) |
| January 20 | 68.0°F (1981) | 19.0°F (1963) | 0.62 in (2017) |
| January 21 | 69.1°F (1986) | 23.0°F (2025) | 1.87 in (1909) |
| January 22 | 70.0°F (1950) | 24.1°F (1962) | 1.35 in (1967) |
| January 23 | 69.1°F (1950) | 24.1°F (2025) | 1.09 in (1983) |
| January 24 | 68.0°F (1970) | 21.9°F (1962) | 0.96 in (2000) |
| January 25 | 69.1°F (1976) | 25.0°F (1962) | 0.87 in (1969) |
| January 26 | 66.9°F (2017) | 26.1°F (1950) | 1.06 in (1961) |
| January 27 | 72.0°F (2014) | 27.0°F (1979) | 1.05 in (2021) |
| January 28 | 66.9°F (2014) | 25.0°F (2021) | 1.26 in (1950) |
| January 29 | 70.0°F (2014) | 27.0°F (1979) | 0.78 in (2021) |
| January 30 | 69.1°F (2014) | 27.0°F (1991) | 1.10 in (1911) |
| January 31 | 73.9°F (1976) | 23.0°F (2008) | 2.23 in (1968) |