Weather on August 29
Rialto, CA
55 Years of Data
About This Date
August 29th in Rialto, CA typically brings hot summer weather, with average highs around 97°F and lows near 66°F — a 31°F daily swing. Over 49 years of records, the warmest August 29th was in 1998 (96°F average), while the coldest was 2010 (63°F) — a 33°F range across recorded history. This date has historically been dry, with little recorded precipitation.
Planning for August 29th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 102° | 77° | 90° | — | — |
| 2025 | 97° | 67° | 82° | — | — |
| 2017 | 106° | 85° | 95° | — | — |
| 2016 | 101° | 70° | 85° | — | — |
| 2015 | 97° | 73° | 85° | — | — |
| 2014 | 97° | 71° | 84° | — | — |
| 2013 | 96° | 72° | 84° | — | — |
| 2012 | 101° | 76° | 88° | — | — |
| 2011 | 98° | 71° | 85° | — | — |
| 2010coldest | 72° | 55° | 63° | — | — |
| 2009 | 102° | 78° | 90° | — | — |
| 2008 | 98° | 67° | 82° | — | — |
| 2007 | 106° | 75° | 90° | — | — |
| 2006 | 100° | 73° | 87° | — | — |
| 2005 | 103° | 72° | 87° | — | — |
| 2004 | 96° | 63° | 79° | — | — |
| 2003 | 97° | 67° | 82° | — | — |
| 2002 | 93° | 57° | 75° | — | — |
| 2001 | 88° | 60° | 74° | — | — |
| 2000 | 76° | 62° | 69° | — | — |
| 1999 | 100° | 67° | 83° | — | — |
| 1998warmest | 111° | 81° | 96° | — | — |
| 1997 | 96° | 61° | 78° | — | — |
| 1996 | 108° | 71° | 89° | — | — |
| 1995 | 101° | 72° | 86° | — | — |
| 1994 | 96° | 62° | 79° | — | — |
| 1993 | 86° | 59° | 73° | — | — |
| 1992 | 88° | 59° | 73° | — | — |
| 1991 | 92° | 60° | 76° | — | — |
| 1990 | 96° | 65° | 80° | — | — |
| 1989 | 93° | 58° | 75° | — | — |
| 1988 | 101° | 62° | 81° | — | — |
| 1987 | 93° | 64° | 79° | — | — |
| 1986 | 99° | 64° | 81° | — | — |
| 1985 | 106° | 67° | 86° | — | — |
| 1984 | 105° | 69° | 87° | — | — |
| 1983 | 101° | 65° | 83° | — | — |
| 1982 | 95° | 63° | 79° | — | — |
| 1981 | 110° | 72° | 91° | — | — |
| 1980 | 96° | 61° | 78° | — | — |
| 1979 | 83° | 63° | 73° | — | — |
| 1978 | 93° | 71° | 82° | — | — |
| 1977 | 100° | 63° | 81° | — | — |
| 1976 | 110° | 67° | 88° | — | — |
| 1975 | 94° | 55° | 74° | — | — |
| 1974 | 99° | 55° | 77° | — | — |
| 1973 | 98° | 57° | 78° | — | — |
| 1972 | 98° | 65° | 81° | — | — |
| 1971 | 102° | 64° | 83° | — | — |
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
Most pleasant months in Rialto, CA: January, February, March, April, May, October, November, December.
What to expect on August 29th
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
August 29th outlook →