Weather on June 27
Rialto, CA
55 Years of Data
Avg High
93°F
Avg Low
61°F
Warmest
2016
89°F avg
Coldest
1991
61°F avg
About This Date
June 27th in Rialto, CA typically brings hot summer weather, with average highs around 93°F and lows near 61°F — a 32°F daily swing. Over 48 years of records, the warmest June 27th was in 2016 (89°F average), while the coldest was 1991 (61°F) — a 28°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for June 27th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 62° | 78° | — | — |
| 2017 | 94° | 68° | 81° | — | — |
| 2016warmest | 100° | 77° | 89° | — | — |
| 2015 | 92° | 68° | 80° | — | — |
| 2014 | 81° | 62° | 71° | — | — |
| 2013 | 97° | 68° | 82° | — | — |
| 2012 | 90° | 60° | 75° | — | — |
| 2011 | 92° | 63° | 77° | — | — |
| 2010 | 87° | 56° | 71° | — | — |
| 2009 | 97° | 64° | 80° | — | — |
| 2008 | 87° | 59° | 73° | — | — |
| 2007 | 89° | 60° | 75° | — | — |
| 2006 | 93° | 73° | 83° | — | — |
| 2005 | 86° | 52° | 69° | — | — |
| 2004 | 88° | 57° | 72° | — | — |
| 2003 | 97° | 62° | 79° | — | — |
| 2002 | 87° | 55° | 71° | — | — |
| 2001 | 89° | 58° | 73° | — | — |
| 2000 | 95° | 67° | 81° | — | — |
| 1999 | 92° | 53° | 72° | — | — |
| 1998 | 91° | 56° | 73° | — | — |
| 1997 | 87° | 58° | 72° | — | — |
| 1996 | 75° | 47° | 61° | — | — |
| 1995 | 94° | 62° | 78° | — | — |
| 1994 | 102° | 72° | 87° | — | — |
| 1993 | 92° | 66° | 79° | — | — |
| 1992 | 83° | 59° | 71° | — | — |
| 1991coldest | 70° | 52° | 61° | — | — |
| 1990 | 105° | 67° | 86° | — | — |
| 1989 | 89° | 56° | 72° | — | — |
| 1988 | 98° | 64° | 81° | — | — |
| 1987 | 92° | 58° | 75° | — | — |
| 1986 | 103° | 61° | 82° | — | — |
| 1985 | 104° | 62° | 83° | — | — |
| 1984 | 102° | 65° | 83° | — | — |
| 1983 | 76° | 59° | 67° | — | — |
| 1982 | 94° | 60° | 77° | — | — |
| 1981 | 100° | 66° | 83° | — | — |
| 1980 | 104° | 55° | 80° | — | — |
| 1979 | 111° | 63° | 87° | — | — |
| 1978 | 84° | 60° | 72° | — | — |
| 1977 | 96° | 62° | 79° | — | — |
| 1976 | 109° | 64° | 87° | — | — |
| 1975 | 94° | 56° | 75° | — | — |
| 1974 | 106° | 62° | 84° | — | — |
| 1973 | 96° | 63° | 79° | — | — |
| 1972 | 94° | 52° | 73° | — | — |
| 1971 | 89° | 61° | 75° | — | — |
48 years of data from DEVORE CALIFORNIA