Weather on May 28
Riverside, CA
55 Years of Data
Avg High
83°F
Avg Low
56°F
Warmest
1973
82°F avg
Coldest
1971
57°F avg
About This Date
May 28th in Riverside, CA typically brings warm spring weather, with average highs around 83°F and lows near 56°F — a 27°F daily swing. Over 55 years of records, the warmest May 28th was in 1973 (82°F average), while the coldest was 1971 (57°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 28th dates historically, with the wettest May 28th recording 0.99" of rain. The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.5°F cooler on this date compared to 20-30 years ago.
Planning for May 28th in Riverside, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 59° | 69° | — | — |
| 2024 | 81° | 54° | 67° | — | — |
| 2023 | 72° | 54° | 63° | — | — |
| 2022 | 68° | 56° | 62° | — | — |
| 2021 | 82° | 54° | 68° | — | — |
| 2020 | 88° | 58° | 73° | — | — |
| 2019 | 77° | 48° | 63° | — | — |
| 2018 | 86° | 53° | 70° | — | — |
| 2017 | 87° | 54° | 70° | — | — |
| 2016 | 81° | 57° | 69° | — | — |
| 2015 | 86° | 55° | 71° | — | — |
| 2014 | 90° | 62° | 76° | — | — |
| 2013 | 78° | 59° | 69° | — | — |
| 2012 | 88° | 55° | 71° | — | — |
| 2011 | 76° | 56° | 66° | — | — |
| 2010 | 73° | 52° | 62° | — | — |
| 2009 | 82° | 58° | 70° | — | — |
| 2008 | 78° | 48° | 63° | — | — |
| 2007 | 79° | 55° | 67° | — | — |
| 2006 | 79° | 49° | 64° | — | — |
| 2005 | 78° | 60° | 69° | — | — |
| 2004 | 71° | 57° | 64° | — | — |
| 2003 | 105° | 59° | 82° | — | — |
| 2002 | 85° | 48° | 66° | — | — |
| 2001 | 72° | 60° | 66° | — | — |
| 2000 | 98° | 61° | 79° | — | — |
| 1999 | 83° | 56° | 69° | — | — |
| 1998 | 79° | 50° | 64° | — | — |
| 1997 | 100° | 64° | 82° | — | — |
| 1996 | 80° | 56° | 68° | — | — |
| 1995 | 81° | 56° | 68° | — | — |
| 1994 | 79° | — | — | — | — |
| 1993 | 80° | 59° | 70° | — | — |
| 1992 | 83° | 60° | 71° | — | — |
| 1991 | 79° | 52° | 65° | — | — |
| 1990 | 70° | 56° | 63° | 0.99" | — |
| 1989 | 86° | 56° | 71° | — | — |
| 1988 | 75° | 58° | 66° | — | — |
| 1987 | 80° | 55° | 68° | — | — |
| 1986 | 92° | 55° | 73° | — | — |
| 1985 | 83° | 48° | 65° | — | — |
| 1984 | 105° | 59° | 82° | — | — |
| 1983 | 92° | 60° | 76° | — | — |
| 1982 | 75° | 57° | 66° | — | — |
| 1981 | 82° | 60° | 71° | — | — |
| 1980 | 69° | 50° | 60° | — | — |
| 1979 | 78° | 60° | 69° | — | — |
| 1978 | 102° | 55° | 79° | — | — |
| 1977 | 79° | 52° | 65° | — | — |
| 1976 | 78° | 59° | 69° | — | — |
| 1975 | 85° | 58° | 71° | — | — |
| 1974 | 85° | 58° | 71° | — | — |
| 1973warmest | 106° | 58° | 82° | — | — |
| 1972 | 99° | 58° | 78° | — | — |
| 1971coldest | 64° | 50° | 57° | 0.25" | — |
55 years of data from RIVERSIDE MUNI AP