Weather on August 21
Redding, CA
55 Years of Data
Avg High
95°F
Avg Low
62°F
Warmest
2022
88°F avg
Coldest
1979
69°F avg
About This Date
August 21st in Redding, CA typically brings hot summer weather, with average highs around 95°F and lows near 62°F — a 33°F daily swing. Over 55 years of records, the warmest August 21st was in 2022 (88°F average), while the coldest was 1979 (69°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 7% of August 21st dates historically, with the wettest August 21st recording 0.66" of rain. The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.3°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Redding, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 107° | 67° | 87° | — | — |
| 2024 | 94° | 64° | 79° | — | — |
| 2023 | 82° | 69° | 76° | 0.66" | — |
| 2022warmest | 105° | 71° | 88° | — | — |
| 2021 | 86° | 63° | 74° | — | — |
| 2020 | 92° | 63° | 77° | — | — |
| 2019 | 100° | 64° | 82° | — | — |
| 2018 | 92° | 61° | 76° | — | — |
| 2017 | 93° | 70° | 81° | — | — |
| 2016 | 100° | 68° | 84° | — | — |
| 2015 | 97° | 63° | 80° | — | — |
| 2014 | 96° | 63° | 79° | — | — |
| 2013 | 97° | 70° | 83° | — | — |
| 2012 | 95° | 64° | 80° | — | — |
| 2011 | 95° | 59° | 77° | — | — |
| 2010 | 88° | 57° | 72° | — | — |
| 2009 | 106° | 65° | 85° | — | — |
| 2008 | 94° | 67° | 80° | — | — |
| 2007 | 99° | 67° | 83° | — | — |
| 2006 | 95° | 60° | 78° | — | — |
| 2005 | 99° | 61° | 80° | — | — |
| 2004 | 98° | 66° | 82° | — | — |
| 2003 | 93° | 67° | 80° | 0.03" | — |
| 2002 | 90° | 67° | 78° | — | — |
| 2001 | 89° | 58° | 73° | — | — |
| 2000 | 96° | 59° | 78° | — | — |
| 1999 | 102° | 64° | 83° | — | — |
| 1998 | 91° | 55° | 73° | — | — |
| 1997 | 91° | 61° | 76° | — | — |
| 1996 | 98° | 57° | 78° | — | — |
| 1995 | 100° | 65° | 82° | — | — |
| 1994 | 93° | 60° | 77° | — | — |
| 1993 | 97° | 59° | 78° | — | — |
| 1992 | 93° | 61° | 77° | — | — |
| 1991 | 100° | 61° | 80° | — | — |
| 1990 | 89° | 59° | 74° | — | — |
| 1989 | 93° | 61° | 77° | — | — |
| 1988 | 100° | 66° | 83° | — | — |
| 1987 | 94° | 59° | 76° | — | — |
| 1986 | 96° | 60° | 78° | — | — |
| 1985 | 91° | 56° | 73° | — | — |
| 1984 | 98° | 57° | 78° | — | — |
| 1983 | 88° | 58° | 73° | 0.05" | — |
| 1982 | 105° | 59° | 82° | — | — |
| 1981 | 99° | 53° | 76° | — | — |
| 1980 | 94° | 61° | 77° | — | — |
| 1979coldest | 82° | 56° | 69° | — | — |
| 1978 | 90° | 62° | 76° | 0.41" | — |
| 1977 | 103° | 67° | 85° | — | — |
| 1976 | 94° | 59° | 76° | — | — |
| 1975 | 93° | 66° | 80° | — | — |
| 1974 | 100° | 67° | 83° | — | — |
| 1973 | 94° | 62° | 78° | — | — |
| 1972 | 94° | 65° | 79° | — | — |
| 1971 | 92° | 65° | 78° | — | — |
55 years of data from REDDING FIRE STN 2