Weather on May 18
Hesperia, CA
55 Years of Data
Avg High
82°F
Avg Low
50°F
Warmest
2009
82°F avg
Coldest
2011
49°F avg
About This Date
May 18th 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 18th was in 2009 (82°F average), while the coldest was 2011 (49°F) — a 33°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 6.1°F cooler on this date compared to 20-30 years ago.
The last decade has been 6.1°F cooler on this date compared to 20-30 years ago.
Planning for May 18th in Hesperia, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 52° | 64° | — | — |
| 2021 | 81° | 50° | 65° | — | — |
| 2020 | 76° | 54° | 65° | — | — |
| 2019 | 72° | 42° | 57° | — | — |
| 2018 | 87° | 48° | 68° | — | — |
| 2017 | 75° | 43° | 59° | — | — |
| 2016 | 85° | 53° | 69° | — | — |
| 2015 | 68° | 49° | 58° | — | — |
| 2014 | 87° | 54° | 70° | — | — |
| 2013 | 83° | 50° | 66° | — | — |
| 2012 | 86° | 52° | 69° | — | — |
| 2011coldest | 55° | 43° | 49° | — | — |
| 2010 | 71° | 48° | 60° | — | — |
| 2009warmest | 94° | 70° | 82° | — | — |
| 2008 | 100° | 63° | 81° | — | — |
| 2007 | 94° | 53° | 73° | — | — |
| 2006 | 102° | 60° | 81° | — | — |
| 2005 | 82° | 53° | 68° | — | — |
| 2004 | 84° | 53° | 69° | — | — |
| 2003 | 90° | 50° | 70° | — | — |
| 2002 | 94° | 53° | 73° | — | — |
| 2001 | 94° | 63° | 78° | — | — |
| 2000 | 79° | 45° | 62° | — | — |
| 1999 | 89° | 50° | 70° | — | — |
| 1998 | 79° | 40° | 59° | — | — |
| 1997 | 93° | 60° | 77° | — | — |
| 1996 | 90° | 59° | 74° | — | — |
| 1995 | 82° | 46° | 64° | — | — |
| 1994 | 62° | 41° | 52° | — | — |
| 1993 | 91° | 53° | 72° | — | — |
| 1992 | 88° | 48° | 68° | — | — |
| 1991 | 72° | 39° | 55° | — | — |
| 1990 | 79° | 45° | 62° | — | — |
| 1989 | 87° | 50° | 69° | — | — |
| 1988 | 73° | 41° | 57° | — | — |
| 1987 | 83° | 53° | 68° | — | — |
| 1986 | 86° | 52° | 69° | — | — |
| 1985 | 83° | 44° | 63° | — | — |
| 1984 | 82° | 48° | 65° | — | — |
| 1983 | 77° | 44° | 61° | — | — |
| 1982 | 85° | 55° | 70° | — | — |
| 1981 | 81° | 44° | 62° | — | — |
| 1980 | 86° | 52° | 69° | — | — |
| 1979 | 86° | 49° | 67° | — | — |
| 1978 | 79° | 43° | 61° | — | — |
| 1977 | 65° | 42° | 53° | — | — |
| 1976 | 93° | 53° | 73° | — | — |
| 1975 | 87° | 50° | 69° | — | — |
| 1974 | 69° | 40° | 54° | — | — |
| 1973 | 95° | 59° | 77° | — | — |
| 1972 | 78° | 48° | 63° | — | — |
| 1971 | 74° | 38° | 56° | — | — |
52 years of data from HESPERIA 2E