Weather on June 21
Hesperia, CA
55 Years of Data
Avg High
94°F
Avg Low
58°F
Warmest
2016
88°F avg
Coldest
2003
65°F avg
About This Date
June 21st in Hesperia, CA typically brings hot summer weather, with average highs around 94°F and lows near 58°F — a 36°F daily swing. Over 50 years of records, the warmest June 21st was in 2016 (88°F average), while the coldest was 2003 (65°F) — a 23°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.4°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Hesperia, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.1°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 88° | 57° | 73° | — | — |
| 2021 | 100° | 68° | 84° | — | — |
| 2020 | 97° | 63° | 80° | — | — |
| 2019 | 77° | 56° | 66° | — | — |
| 2018 | 105° | 65° | 85° | — | — |
| 2017 | 103° | 70° | 86° | — | — |
| 2016warmest | 107° | 70° | 88° | — | — |
| 2015 | 101° | 64° | 82° | — | — |
| 2014 | 92° | 62° | 77° | — | — |
| 2013 | 88° | 56° | 72° | — | — |
| 2012 | 93° | 61° | 77° | — | — |
| 2011 | 102° | 67° | 84° | — | — |
| 2010 | 84° | 57° | 71° | — | — |
| 2009 | 81° | 55° | 68° | — | — |
| 2008 | 101° | 74° | 87° | — | — |
| 2007 | 97° | 57° | 77° | — | — |
| 2006 | 98° | 54° | 76° | — | — |
| 2004 | 97° | 58° | 77° | — | — |
| 2003coldest | 79° | 52° | 65° | — | — |
| 2002 | 89° | 62° | 76° | — | — |
| 2001 | 99° | 62° | 80° | — | — |
| 1999 | 100° | 58° | 79° | — | — |
| 1998 | 88° | 53° | 70° | — | — |
| 1997 | 93° | 64° | 79° | — | — |
| 1996 | 90° | 57° | 73° | — | — |
| 1995 | 103° | 58° | 80° | — | — |
| 1994 | 98° | 60° | 79° | — | — |
| 1993 | 97° | 59° | 78° | — | — |
| 1992 | 92° | 53° | 72° | — | — |
| 1991 | 88° | 53° | 70° | — | — |
| 1990 | 103° | 58° | 80° | — | — |
| 1989 | 101° | 58° | 79° | — | — |
| 1988 | 95° | 51° | 73° | — | — |
| 1987 | 89° | 50° | 70° | — | — |
| 1986 | 94° | 50° | 72° | — | — |
| 1985 | 94° | 52° | 73° | — | — |
| 1984 | 89° | 59° | 74° | — | — |
| 1983 | 85° | 53° | 69° | — | — |
| 1982 | 93° | 58° | 75° | — | — |
| 1981 | 104° | 70° | 87° | — | — |
| 1980 | 90° | 50° | 70° | — | — |
| 1979 | 91° | 51° | 71° | — | — |
| 1978 | 98° | 64° | 81° | — | — |
| 1977 | 91° | 55° | 73° | — | — |
| 1976 | 93° | 55° | 74° | — | — |
| 1975 | 83° | 50° | 66° | — | — |
| 1974 | 90° | 53° | 71° | — | — |
| 1973 | 97° | 54° | 75° | — | — |
| 1972 | 94° | 60° | 77° | — | — |
| 1971 | 99° | 56° | 77° | — | — |
50 years of data from HESPERIA 2E