Weather on January 21
Riverside, CA
55 Years of Data
Avg High
67°F
Avg Low
43°F
Warmest
2014
67°F avg
Coldest
1982
42°F avg
About This Date
January 21st in Riverside, CA typically brings mild winter weather, with average highs around 67°F and lows near 43°F. Over 56 years of records, the warmest January 21st was in 2014 (67°F average), while the coldest was 1982 (42°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 21% of January 21st dates historically, with the wettest January 21st recording 3.43" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for January 21st in Riverside, CA? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 68° | 45° | 56° | — | — |
| 2025 | 72° | 37° | 54° | — | — |
| 2024 | 63° | 52° | 57° | 0.36" | — |
| 2023 | 65° | 36° | 50° | — | — |
| 2022 | 73° | 44° | 59° | — | — |
| 2021 | 71° | 49° | 60° | — | — |
| 2020 | 58° | 50° | 54° | — | — |
| 2019 | 61° | 44° | 52° | — | — |
| 2018 | 62° | 38° | 50° | — | — |
| 2017 | 58° | 45° | 51° | — | — |
| 2016 | 78° | 49° | 63° | — | — |
| 2015 | 74° | 45° | 59° | — | — |
| 2014warmest | 85° | 50° | 67° | — | — |
| 2013 | 84° | 40° | 62° | — | — |
| 2012 | 71° | 36° | 53° | 0.03" | — |
| 2011 | 77° | 42° | 60° | — | — |
| 2010 | 54° | 47° | 50° | 3.43" | — |
| 2009 | 76° | 53° | 64° | — | — |
| 2008 | 52° | 43° | 47° | — | — |
| 2007 | 61° | 37° | 49° | — | — |
| 2006 | 71° | 37° | 54° | — | — |
| 2005 | 73° | 45° | 59° | — | — |
| 2004 | 65° | 43° | 54° | 0.03" | — |
| 2003 | 71° | 49° | 60° | — | — |
| 2002 | 72° | 37° | 54° | — | — |
| 2001 | 75° | 43° | 59° | — | — |
| 2000 | 68° | 50° | 59° | — | — |
| 1999 | 64° | 47° | 55° | 0.13" | — |
| 1998 | 66° | 39° | 53° | — | — |
| 1997 | 56° | 42° | 49° | 0.05" | — |
| 1996 | 63° | 36° | 49° | 1.47" | — |
| 1995 | 58° | 45° | 51° | 0.56" | — |
| 1994 | 79° | 41° | 60° | — | — |
| 1993 | 68° | 41° | 55° | — | — |
| 1992 | 66° | 37° | 52° | — | — |
| 1991 | 63° | 48° | 55° | 0.03" | — |
| 1990 | 67° | 34° | 50° | — | — |
| 1989 | 78° | 50° | 64° | — | — |
| 1988 | 67° | 32° | 49° | — | — |
| 1987 | 65° | 30° | 47° | — | — |
| 1986 | 64° | 43° | 53° | — | — |
| 1985 | 53° | 47° | 50° | — | — |
| 1984 | 66° | 42° | 54° | — | — |
| 1983 | 52° | 32° | 42° | — | — |
| 1982coldest | 47° | 37° | 42° | 0.66" | — |
| 1981 | 75° | 45° | 60° | — | — |
| 1980 | 71° | 48° | 60° | — | — |
| 1979 | 67° | 45° | 56° | — | — |
| 1978 | 64° | 40° | 52° | — | — |
| 1977 | 70° | 51° | 60° | 0.13" | — |
| 1976 | 78° | 45° | 61° | — | — |
| 1975 | 81° | 43° | 62° | — | — |
| 1974 | 57° | 48° | 53° | 0.23" | — |
| 1973 | 58° | 33° | 45° | — | — |
| 1972 | 56° | 37° | 46° | — | — |
| 1971 | 75° | 51° | 63° | — | — |
56 years of data from RIVERSIDE CITRUS EXP