January weather in Grand Terrace, CA
The average temperature in Grand Terrace in January is 56.9°F (44.2°F–69.5°F). Average precipitation: 2.11 inches.
January is a winter month in Grand Terrace, and is cooler than the annual average of 66.6°F. Daily temperatures swing about 25.3°F between overnight low and afternoon high. Expect about 7 days with precipitation. Daylight averages about 9h 58m. For travel, January is a comfortable month to visit.
Avg High
69.5°F
Avg Low
44.2°F
Precipitation
2.11 in
Daylight
9h 58m
January records in Grand Terrace
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 84.0°F (1964) | 28.0°F (1960) | 0.44 in (1982) |
| January 2 | 88.0°F (1964) | 25.0°F (1960) | 0.36 in (1971) |
| January 3 | 84.9°F (1994) | 27.0°F (1960) | 0.88 in (1991) |
| January 4 | 89.1°F (2003) | 27.0°F (1970) | 3.16 in (1995) |
| January 5 | 86.0°F (1999) | 28.0°F (1970) | 2.12 in (1979) |
| January 6 | 86.0°F (2006) | 28.9°F (1973) | 1.44 in (1993) |
| January 7 | 84.0°F (1962) | 28.9°F (1973) | 2.01 in (1993) |
| January 8 | 88.0°F (1962) | 30.0°F (1971) | 1.52 in (1974) |
| January 9 | 86.0°F (1990) | 30.0°F (1972) | 2.14 in (2005) |
| January 10 | 82.0°F (1986) | 32.0°F (1964) | 1.91 in (1995) |
| January 11 | 84.0°F (2002) | 30.0°F (1962) | 1.21 in (2001) |
| January 12 | 84.9°F (1996) | 28.9°F (1962) | 1.03 in (1997) |
| January 13 | 84.9°F (2004) | 24.1°F (1963) | 0.92 in (1957) |
| January 14 | 87.1°F (2009) | 26.1°F (2007) | 1.47 in (1969) |
| January 15 | 88.0°F (1975) | 28.9°F (1962) | 1.27 in (1993) |
| January 16 | 84.9°F (1967) | 30.9°F (1964) | 1.31 in (1993) |
| January 17 | 87.1°F (1976) | 28.9°F (1960) | 0.89 in (1973) |
| January 18 | 89.1°F (1976) | 30.0°F (1960) | 0.76 in (1993) |
| January 19 | 87.1°F (1971) | 33.1°F (1957) | 0.64 in (1978) |
| January 20 | 88.0°F (1971) | 30.0°F (1963) | 1.43 in (1982) |
| January 21 | 82.9°F (1968) | 30.0°F (1987) | 1.25 in (1962) |
| January 22 | 82.9°F (1994) | 30.0°F (1966) | 0.45 in (1983) |
| January 23 | 80.1°F (1968) | 30.9°F (1957) | 1.52 in (1967) |
| January 24 | 84.0°F (2007) | 32.0°F (1964) | 0.45 in (1995) |
| January 25 | 87.1°F (2003) | 32.0°F (1966) | 1.35 in (1969) |
| January 26 | 87.1°F (2003) | 30.9°F (1979) | 1.96 in (1969) |
| January 27 | 86.0°F (1986) | 32.0°F (1979) | 1.97 in (1956) |
| January 28 | 82.0°F (1976) | 28.9°F (1957) | 1.53 in (1980) |
| January 29 | 84.9°F (1971) | 30.0°F (1969) | 1.10 in (1981) |
| January 30 | 88.0°F (2003) | 28.0°F (1969) | 0.61 in (1979) |
| January 31 | 97.0°F (2003) | 30.9°F (1957) | 0.94 in (1979) |