Weather on June 27
Rialto, CA
55 Years of Data
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.
| 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° | — | — |
Rialto, CA Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Rialto, CA Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rialto, CA Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Rialto, CA
Rialto, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.