Weather on May 20
Hesperia, CA
55 Years of Data
Avg High
82°F
Avg Low
50°F
Warmest
2008
83°F avg
Coldest
1972
46°F avg
About This Date
May 20th in Hesperia, CA typically brings warm spring weather, with average highs around 82°F and lows near 50°F — a 32°F daily swing. Over 52 years of records, the warmest May 20th was in 2008 (83°F average), while the coldest was 1972 (46°F) — a 37°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
Planning for May 20th in Hesperia, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 90° | 57° | 73° | — | — |
| 2021 | 83° | 50° | 66° | — | — |
| 2020 | 78° | 44° | 61° | — | — |
| 2019 | 65° | 42° | 53° | — | — |
| 2018 | 80° | 52° | 66° | — | — |
| 2017 | 88° | 52° | 70° | — | — |
| 2016 | 79° | 51° | 65° | — | — |
| 2015 | 71° | 51° | 61° | — | — |
| 2014 | 71° | 51° | 61° | — | — |
| 2013 | 84° | 53° | 69° | — | — |
| 2012 | 95° | 58° | 76° | — | — |
| 2011 | 76° | 45° | 60° | — | — |
| 2010 | 80° | 58° | 69° | — | — |
| 2009 | 86° | 62° | 74° | — | — |
| 2008warmest | 104° | 62° | 83° | — | — |
| 2007 | 95° | 51° | 73° | — | — |
| 2006 | 94° | 56° | 75° | — | — |
| 2005 | 96° | 55° | 76° | — | — |
| 2004 | 83° | 51° | 67° | — | — |
| 2003 | 94° | 50° | 72° | — | — |
| 2002 | 77° | 49° | 63° | — | — |
| 2001 | 92° | 57° | 74° | — | — |
| 2000 | 80° | 48° | 64° | — | — |
| 1999 | 85° | 49° | 67° | — | — |
| 1998 | 81° | 46° | 63° | — | — |
| 1997 | 94° | 57° | 75° | — | — |
| 1996 | 80° | 48° | 64° | — | — |
| 1995 | 90° | 49° | 69° | — | — |
| 1994 | 73° | 41° | 57° | — | — |
| 1993 | 90° | 55° | 72° | — | — |
| 1992 | 80° | 47° | 63° | — | — |
| 1991 | 73° | 34° | 53° | — | — |
| 1990 | 71° | 47° | 59° | — | — |
| 1989 | 89° | 53° | 71° | — | — |
| 1988 | 85° | 49° | 67° | — | — |
| 1987 | 65° | 33° | 49° | — | — |
| 1986 | 92° | 52° | 72° | — | — |
| 1985 | 86° | 49° | 67° | — | — |
| 1984 | 96° | 55° | 76° | — | — |
| 1983 | 86° | 50° | 68° | — | — |
| 1982 | 84° | 59° | 72° | — | — |
| 1981 | 66° | 44° | 55° | — | — |
| 1980 | 92° | 53° | 72° | — | — |
| 1979 | 82° | 46° | 64° | — | — |
| 1978 | 89° | 51° | 70° | — | — |
| 1977 | 71° | 42° | 57° | — | — |
| 1976 | 81° | 47° | 64° | — | — |
| 1975 | 76° | 41° | 58° | — | — |
| 1974 | 61° | 43° | 52° | — | — |
| 1973 | 90° | 54° | 72° | — | — |
| 1972coldest | 56° | 37° | 46° | — | — |
| 1971 | 84° | 43° | 63° | — | — |
52 years of data from HESPERIA 2E