January weather in Riverside, CA
The average temperature in Riverside in January is 56.4°F (43.0°F–69.8°F). Average precipitation: 2.19 inches.
January is a winter month in Riverside, and is cooler than the annual average of 66.9°F. Daily temperatures swing about 26.8°F between overnight low and afternoon high. Expect about 5 days with precipitation. Daylight averages about 9h 59m. For travel, January is a comfortable month to visit.
Avg High
69.8°F
Avg Low
43.0°F
Precipitation
2.19 in
Daylight
9h 59m
January records in Riverside
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| January 1 | 91.9°F (1918) | 23.0°F (1919) | 1.00 in (1922) |
| January 2 | 93.9°F (2012) | 21.9°F (1919) | 0.93 in (1912) |
| January 3 | 91.0°F (2012) | 26.1°F (1906) | 0.63 in (1991) |
| January 4 | 93.0°F (2012) | 23.0°F (1950) | 1.30 in (1995) |
| January 5 | 93.9°F (2012) | 23.0°F (1950) | 1.72 in (1995) |
| January 6 | 87.1°F (1914) | 21.0°F (1913) | 1.35 in (1979) |
| January 7 | 88.0°F (1962) | 19.0°F (1950) | 2.22 in (1993) |
| January 8 | 93.9°F (1923) | 21.9°F (1913) | 1.52 in (1940) |
| January 9 | 91.9°F (1923) | 25.0°F (1951) | 1.95 in (2005) |
| January 10 | 89.1°F (1923) | 23.0°F (1949) | 1.60 in (1995) |
| January 11 | 84.0°F (1948) | 26.1°F (1921) | 1.10 in (2005) |
| January 12 | 89.1°F (1996) | 25.0°F (1916) | 0.73 in (2017) |
| January 13 | 84.0°F (1912) | 25.0°F (1963) | 1.38 in (1952) |
| January 14 | 88.0°F (2009) | 24.1°F (1963) | 1.67 in (1895) |
| January 15 | 84.9°F (2014) | 18.0°F (1911) | 1.66 in (1914) |
| January 16 | 86.0°F (1961) | 10.0°F (1911) | 2.26 in (1916) |
| January 17 | 89.1°F (1920) | 28.0°F (1932) | 1.15 in (1916) |
| January 18 | 90.0°F (1971) | 27.0°F (1928) | 1.42 in (1895) |
| January 19 | 90.0°F (1971) | 1.9°F (1911) | 1.59 in (1954) |
| January 20 | 84.9°F (2009) | 1.0°F (1911) | 1.40 in (1933) |
| January 21 | 84.9°F (2014) | 12.0°F (1911) | 1.75 in (1909) |
| January 22 | 84.9°F (1994) | 21.0°F (1937) | 1.72 in (2017) |
| January 23 | 88.0°F (1946) | 14.0°F (1911) | 2.59 in (1943) |
| January 24 | 86.0°F (1946) | 3.9°F (1911) | 0.90 in (1969) |
| January 25 | 87.1°F (1947) | 1.0°F (1911) | 2.19 in (1969) |
| January 26 | 86.0°F (1987) | 8.1°F (1911) | 2.70 in (1956) |
| January 27 | 87.1°F (1986) | 3.9°F (1911) | 1.67 in (1916) |
| January 28 | 84.9°F (1905) | 24.1°F (1950) | 1.02 in (1911) |
| January 29 | 87.1°F (1905) | 3.9°F (1911) | 2.01 in (1915) |
| January 30 | 84.9°F (2003) | 7.0°F (1911) | 1.77 in (1893) |
| January 31 | 91.9°F (2003) | 25.0°F (1946) | 0.82 in (1979) |