Weather on August 12
Pomona, CA
55 Years of Data
Avg High
91°F
Avg Low
62°F
Warmest
2012
88°F avg
Coldest
1993
69°F avg
About This Date
August 12th in Pomona, CA typically brings hot summer weather, with average highs around 91°F and lows near 62°F — a 29°F daily swing. Over 51 years of records, the warmest August 12th was in 2012 (88°F average), while the coldest was 1993 (69°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 12th dates historically, with the wettest August 12th recording 0.86" of rain. The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.4°F cooler on this date compared to 20-30 years ago.
Planning for August 12th in Pomona, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 89° | 61° | 75° | — | — |
| 2024 | 93° | 68° | 81° | — | — |
| 2023 | 86° | 62° | 74° | — | — |
| 2022 | 98° | 69° | 84° | — | — |
| 2021 | 93° | 68° | 81° | — | — |
| 2020 | 96° | 62° | 79° | — | — |
| 2019 | 88° | 60° | 74° | — | — |
| 2018 | 89° | 67° | 78° | — | — |
| 2017 | 90° | 61° | 75° | — | — |
| 2016 | 89° | 61° | 75° | — | — |
| 2015 | 97° | 57° | 77° | — | — |
| 2014 | 89° | 64° | 77° | — | — |
| 2013 | 90° | 56° | 73° | — | — |
| 2012warmest | 102° | 74° | 88° | — | — |
| 2011 | 86° | 62° | 74° | — | — |
| 2010 | 87° | 54° | 70° | — | — |
| 2009 | 90° | 60° | 75° | — | — |
| 2008 | 92° | 61° | 76° | — | — |
| 2007 | 95° | 62° | 79° | — | — |
| 2006 | 84° | 53° | 69° | — | — |
| 2005 | 88° | 63° | 75° | — | — |
| 2004 | 90° | 66° | 78° | — | — |
| 2003 | 103° | 68° | 85° | — | — |
| 2002 | 97° | 63° | 80° | — | — |
| 2001 | 90° | 62° | 76° | — | — |
| 2000 | 98° | 67° | 82° | — | — |
| 1999 | 90° | 55° | 72° | — | — |
| 1998 | 99° | 69° | 84° | — | — |
| 1993coldest | 84° | 53° | 69° | — | — |
| 1992 | 90° | 55° | 72° | — | — |
| 1991 | 94° | 63° | 78° | — | — |
| 1990 | 94° | 68° | 81° | — | — |
| 1989 | 92° | 68° | 80° | — | — |
| 1988 | 83° | 57° | 70° | — | — |
| 1987 | 86° | 56° | 71° | — | — |
| 1986 | 92° | 56° | 74° | — | — |
| 1985 | 82° | 59° | 71° | — | — |
| 1984 | 93° | 61° | 77° | — | — |
| 1983 | 98° | 71° | 85° | — | — |
| 1982 | 84° | 60° | 72° | — | — |
| 1981 | 86° | 65° | 75° | — | — |
| 1980 | 96° | 65° | 80° | — | — |
| 1979 | 86° | 62° | 74° | — | — |
| 1978 | 89° | 61° | 75° | — | — |
| 1977 | 91° | 60° | 76° | — | — |
| 1976 | 93° | 54° | 73° | — | — |
| 1975 | 86° | 58° | 72° | — | — |
| 1974 | 86° | 61° | 73° | — | — |
| 1973 | 87° | 58° | 72° | — | — |
| 1972 | 90° | 66° | 78° | 0.86" | — |
| 1971 | 95° | 64° | 80° | — | — |
51 years of data from POMONA/FAIRPLEX