Weather on August 21
El Centro, CA
55 Years of Data
Avg High
105°F
Avg Low
77°F
Warmest
2025
100°F avg
Coldest
1979
83°F avg
About This Date
August 21st in El Centro, CA typically brings hot summer weather, with average highs around 105°F and lows near 77°F — a 28°F daily swing. Over 55 years of records, the warmest August 21st was in 2025 (100°F average), while the coldest was 1979 (83°F) — a 17°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 21st dates historically, with the wettest August 21st recording 2.11" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in El Centro, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.2°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 113° | 86° | 100° | — | — |
| 2024 | 112° | 84° | 98° | — | — |
| 2023 | 95° | 71° | 83° | 2.11" | — |
| 2022 | 103° | 83° | 93° | — | — |
| 2021 | 100° | 77° | 89° | — | — |
| 2020 | 109° | 86° | 98° | — | — |
| 2019 | 113° | 76° | 94° | — | — |
| 2018 | 104° | 81° | 92° | — | — |
| 2017 | 106° | 75° | 90° | — | — |
| 2016 | 107° | 83° | 95° | — | — |
| 2015 | 109° | 83° | 96° | — | — |
| 2014 | 102° | 79° | 90° | — | — |
| 2013 | 113° | 83° | 98° | — | — |
| 2012 | 106° | 83° | 94° | — | — |
| 2011 | 106° | 76° | 91° | — | — |
| 2010 | 110° | 85° | 97° | — | — |
| 2009 | 110° | 82° | 96° | — | — |
| 2008 | 108° | 75° | 91° | — | — |
| 2007 | 112° | 78° | 95° | — | — |
| 2006 | 110° | 82° | 96° | — | — |
| 2005 | 113° | 82° | 98° | — | — |
| 2004 | 104° | 76° | 90° | — | — |
| 2003 | 103° | 76° | 89° | — | — |
| 2002 | 102° | 71° | 87° | — | — |
| 2001 | 104° | 76° | 90° | — | — |
| 2000 | 107° | 75° | 91° | — | — |
| 1999 | 109° | 79° | 94° | — | — |
| 1998 | 111° | 77° | 94° | — | — |
| 1997 | 101° | 81° | 91° | — | — |
| 1996 | 108° | 80° | 94° | — | — |
| 1995 | 100° | 81° | 90° | 0.05" | — |
| 1994 | 108° | 78° | 93° | — | — |
| 1993 | 105° | 69° | 87° | — | — |
| 1992 | 105° | 81° | 93° | — | — |
| 1991 | 104° | 80° | 92° | — | — |
| 1990 | 100° | 72° | 86° | — | — |
| 1989 | 100° | 70° | 85° | — | — |
| 1988 | 97° | 80° | 88° | — | — |
| 1987 | 105° | 78° | 92° | — | — |
| 1986 | 108° | 80° | 94° | — | — |
| 1985 | 106° | 82° | 94° | — | — |
| 1984 | 98° | 75° | 87° | — | — |
| 1983 | 96° | 70° | 83° | — | — |
| 1982 | 110° | 85° | 97° | — | — |
| 1981 | 112° | 77° | 94° | — | — |
| 1980 | 105° | 69° | 87° | — | — |
| 1979coldest | 100° | 67° | 83° | — | — |
| 1978 | 106° | 69° | 87° | — | — |
| 1977 | 105° | 78° | 92° | — | — |
| 1976 | 105° | 76° | 90° | — | — |
| 1975 | 102° | 70° | 86° | — | — |
| 1974 | 103° | 65° | 84° | — | — |
| 1973 | 107° | 72° | 89° | — | — |
| 1972 | 111° | 73° | 92° | — | — |
| 1971 | 94° | 82° | 88° | — | — |
55 years of data from EL CENTRO 2 SSW