Weather on January 18
Riverside, CA
55 Years of Data
Avg High
70°F
Avg Low
43°F
Warmest
1971
72°F avg
Coldest
1982
44°F avg
About This Date
January 18th in Riverside, CA typically brings pleasant winter weather, with average highs around 70°F and lows near 43°F — a 27°F daily swing. Over 56 years of records, the warmest January 18th was in 1971 (72°F average), while the coldest was 1982 (44°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 13% of January 18th dates historically, with the wettest January 18th recording 2.39" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for January 18th in Riverside, CA? Great weather for outdoor activities.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 80° | 45° | 62° | — | — |
| 2025 | 64° | 45° | 54° | — | — |
| 2024 | 69° | 48° | 59° | — | — |
| 2023 | 57° | 36° | 46° | — | — |
| 2022 | 64° | 54° | 59° | — | — |
| 2021 | 80° | 48° | 64° | — | — |
| 2020 | 70° | 40° | 55° | — | — |
| 2019 | 63° | 50° | 56° | — | — |
| 2018 | 81° | 49° | 65° | — | — |
| 2017 | 59° | 38° | 48° | 0.03" | — |
| 2016 | 63° | 48° | 55° | — | — |
| 2015 | 82° | 42° | 62° | — | — |
| 2014 | 89° | 42° | 66° | — | — |
| 2013 | 79° | 43° | 61° | — | — |
| 2012 | 70° | 35° | 52° | — | — |
| 2011 | 85° | 51° | 68° | — | — |
| 2010 | 59° | 46° | 53° | 2.39" | — |
| 2009 | 79° | 45° | 62° | — | — |
| 2008 | 64° | 43° | 53° | — | — |
| 2007 | 66° | 32° | 49° | — | — |
| 2006 | 67° | 37° | 52° | — | — |
| 2005 | 79° | 48° | 63° | — | — |
| 2004 | 65° | 37° | 51° | — | — |
| 2003 | 85° | 48° | 66° | — | — |
| 2002 | 67° | 33° | 50° | — | — |
| 2001 | 69° | 39° | 54° | — | — |
| 2000 | 79° | 55° | 67° | — | — |
| 1999 | 68° | 41° | 55° | — | — |
| 1998 | 77° | 45° | 61° | — | — |
| 1997 | 75° | 44° | 60° | — | — |
| 1996 | 66° | 40° | 53° | — | — |
| 1995 | 65° | 35° | 50° | — | — |
| 1994 | 84° | 44° | 64° | — | — |
| 1993 | 50° | 47° | 48° | 1.93" | — |
| 1992 | 67° | 40° | 53° | — | — |
| 1991 | 73° | 44° | 59° | — | — |
| 1990 | 54° | 35° | 44° | 0.05" | — |
| 1989 | 78° | 45° | 61° | — | — |
| 1988 | 57° | 41° | 49° | — | — |
| 1987 | 60° | 31° | 45° | — | — |
| 1986 | 85° | 46° | 65° | — | — |
| 1985 | 70° | 40° | 55° | — | — |
| 1984 | 64° | 36° | 50° | — | — |
| 1983 | 59° | 41° | 50° | — | — |
| 1982coldest | 51° | 38° | 44° | — | — |
| 1981 | 75° | 46° | 61° | — | — |
| 1980 | 57° | 51° | 54° | 0.89" | — |
| 1979 | 58° | 39° | 48° | 0.3" | — |
| 1978 | 61° | 43° | 52° | — | — |
| 1977 | 76° | 49° | 62° | — | — |
| 1976 | 89° | 49° | 69° | — | — |
| 1975 | 84° | 51° | 68° | — | — |
| 1974 | 61° | 50° | 55° | 0.08" | — |
| 1973 | 61° | 38° | 49° | — | — |
| 1972 | 69° | 36° | 52° | — | — |
| 1971warmest | 85° | 59° | 72° | — | — |
56 years of data from RIVERSIDE CITRUS EXP