Weather on June 15
Riverside, CA
55 Years of Data
Avg High
89°F
Avg Low
58°F
Warmest
2021
85°F avg
Coldest
1990
64°F avg
About This Date
June 15th in Riverside, CA typically brings warm summer weather, with average highs around 89°F and lows near 58°F — a 31°F daily swing. Over 55 years of records, the warmest June 15th was in 2021 (85°F average), while the coldest was 1990 (64°F) — a 21°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for June 15th in Riverside, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 103° | 61° | 82° | — | — |
| 2024 | 95° | 62° | 79° | — | — |
| 2023 | 75° | 59° | 67° | — | — |
| 2022 | 96° | 62° | 79° | — | — |
| 2021warmest | 104° | 66° | 85° | — | — |
| 2020 | 88° | 60° | 74° | — | — |
| 2019 | 83° | 60° | 71° | — | — |
| 2018 | 92° | 62° | 77° | — | — |
| 2017 | 96° | 60° | 78° | — | — |
| 2016 | 79° | 61° | 70° | — | — |
| 2015 | 96° | 62° | 79° | — | — |
| 2014 | 84° | 60° | 72° | — | — |
| 2013 | 85° | 59° | 72° | — | — |
| 2012 | 79° | 59° | 69° | — | — |
| 2011 | 89° | 59° | 74° | — | — |
| 2010 | 90° | 60° | 75° | — | — |
| 2009 | 76° | 57° | 66° | — | — |
| 2008 | 93° | 61° | 77° | — | — |
| 2007 | 91° | 58° | 74° | — | — |
| 2006 | 86° | 57° | 72° | — | — |
| 2005 | 82° | 63° | 72° | — | — |
| 2004 | 85° | 59° | 72° | — | — |
| 2003 | 89° | 56° | 72° | — | — |
| 2002 | 96° | 54° | 75° | — | — |
| 2001 | 97° | 54° | 75° | — | — |
| 2000 | 93° | 59° | 76° | — | — |
| 1999 | 93° | 60° | 77° | — | — |
| 1998 | 87° | 59° | 73° | — | — |
| 1997 | 83° | 58° | 70° | — | — |
| 1996 | 89° | 61° | 75° | — | — |
| 1995 | 84° | 58° | 71° | — | — |
| 1994 | 76° | 60° | 68° | — | — |
| 1993 | 98° | 62° | 80° | — | — |
| 1992 | 79° | 53° | 66° | — | — |
| 1991 | 83° | 53° | 68° | — | — |
| 1990coldest | 72° | 56° | 64° | — | — |
| 1989 | 92° | 60° | 76° | — | — |
| 1988 | 88° | 58° | 73° | — | — |
| 1987 | 84° | 53° | 69° | — | — |
| 1986 | 90° | 55° | 72° | — | — |
| 1985 | 95° | 58° | 76° | — | — |
| 1984 | 80° | 54° | 67° | — | — |
| 1983 | 92° | 59° | 75° | — | — |
| 1982 | 84° | 56° | 70° | — | — |
| 1981 | 99° | 69° | 84° | — | — |
| 1980 | 97° | 56° | 76° | — | — |
| 1979 | 92° | 55° | 73° | — | — |
| 1978 | 91° | 55° | 73° | — | — |
| 1977 | 87° | 52° | 69° | — | — |
| 1976 | 102° | 57° | 80° | — | — |
| 1975 | 85° | 55° | 70° | — | — |
| 1974 | 101° | 65° | 83° | — | — |
| 1973 | 78° | 54° | 66° | — | — |
| 1972 | 89° | 57° | 73° | — | — |
| 1971 | 99° | 58° | 78° | — | — |
55 years of data from RIVERSIDE MUNI AP