Weather on June 21
Redding, CA
55 Years of Data
Avg High
95°F
Avg Low
63°F
Warmest
2017
97°F avg
Coldest
1978
68°F avg
About This Date
June 21st in Redding, CA typically brings hot summer weather, with average highs around 95°F and lows near 63°F — a 32°F daily swing. Over 55 years of records, the warmest June 21st was in 2017 (97°F average), while the coldest was 1978 (68°F) — a 29°F range across recorded history. Rain or other precipitation has occurred on about 4% of June 21st dates historically. The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for June 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 | 83° | 58° | 70° | — | — |
| 2024 | 108° | 63° | 85° | — | — |
| 2023 | 89° | 54° | 71° | — | — |
| 2022 | 102° | 75° | 89° | — | — |
| 2021 | 100° | 67° | 83° | — | — |
| 2020 | 101° | 67° | 84° | — | — |
| 2019 | 89° | 65° | 77° | — | — |
| 2018 | 99° | 63° | 81° | — | — |
| 2017warmest | 110° | 85° | 97° | — | — |
| 2016 | 99° | 63° | 81° | — | — |
| 2015 | 94° | 69° | 81° | — | — |
| 2014 | 95° | 60° | 78° | — | — |
| 2013 | 91° | 65° | 78° | — | — |
| 2012 | 94° | 60° | 77° | — | — |
| 2011 | 103° | 68° | 85° | — | — |
| 2010 | 91° | 65° | 78° | — | — |
| 2009 | 83° | 59° | 71° | — | — |
| 2008 | 92° | 63° | 77° | 0.05" | — |
| 2007 | 96° | 58° | 77° | — | — |
| 2006 | 101° | 74° | 87° | — | — |
| 2005 | 85° | 55° | 70° | — | — |
| 2004 | 101° | 64° | 82° | — | — |
| 2003 | 88° | 59° | 73° | — | — |
| 2002 | 86° | 65° | 75° | — | — |
| 2001 | 106° | 67° | 86° | — | — |
| 2000 | 102° | 61° | 81° | — | — |
| 1999 | 98° | 74° | 86° | — | — |
| 1998 | 85° | 56° | 70° | — | — |
| 1997 | 86° | 54° | 70° | — | — |
| 1996 | 90° | 59° | 74° | — | — |
| 1995 | 90° | 60° | 75° | — | — |
| 1994 | 95° | 54° | 74° | — | — |
| 1993 | 86° | 62° | 74° | — | — |
| 1992 | 110° | 70° | 90° | — | — |
| 1991 | 86° | 52° | 69° | — | — |
| 1990 | 105° | 67° | 86° | — | — |
| 1989 | 97° | 72° | 84° | — | — |
| 1988 | 94° | 64° | 79° | — | — |
| 1987 | 86° | 61° | 73° | — | — |
| 1986 | 98° | 69° | 84° | — | — |
| 1985 | 106° | 60° | 83° | — | — |
| 1984 | 88° | 57° | 72° | — | — |
| 1983 | 91° | 58° | 74° | 0.05" | — |
| 1982 | 96° | 63° | 79° | — | — |
| 1981 | 103° | 68° | 85° | — | — |
| 1980 | 86° | 60° | 73° | — | — |
| 1979 | 88° | 55° | 71° | — | — |
| 1978coldest | 84° | 51° | 68° | — | — |
| 1977 | 102° | 68° | 85° | — | — |
| 1976 | 86° | 58° | 72° | — | — |
| 1975 | 90° | 56° | 73° | — | — |
| 1974 | 99° | 68° | 83° | — | — |
| 1973 | 101° | 65° | 83° | — | — |
| 1972 | 95° | 71° | 83° | — | — |
| 1971 | 98° | 63° | 80° | — | — |
55 years of data from REDDING FIRE STN 2