Weather on May 18
Stockton, CA
55 Years of Data
Avg High
82°F
Avg Low
50°F
Warmest
1997
83°F avg
Coldest
1974
55°F avg
About This Date
May 18th in Stockton, CA typically brings warm spring weather, with average highs around 82°F and lows near 50°F — a 32°F daily swing. Over 55 years of records, the warmest May 18th was in 1997 (83°F average), while the coldest was 1974 (55°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 18th dates historically, with the wettest May 18th recording 1.14" of rain. The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.7°F warmer on this date compared to 20-30 years ago.
Planning for May 18th in Stockton, 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 | 86° | 50° | 68° | — | — |
| 2024 | 82° | 53° | 68° | — | — |
| 2023 | 89° | 53° | 71° | — | — |
| 2022 | 97° | 51° | 74° | — | — |
| 2021 | 85° | 49° | 67° | — | — |
| 2020 | 73° | 52° | 62° | 0.51" | — |
| 2019 | 65° | 49° | 57° | 1.14" | — |
| 2018 | 88° | 55° | 71° | — | — |
| 2017 | 89° | 47° | 68° | — | — |
| 2016 | 97° | 57° | 77° | — | — |
| 2015 | 72° | 53° | 62° | — | — |
| 2014 | 80° | 57° | 69° | — | — |
| 2013 | 83° | 50° | 66° | — | — |
| 2012 | 84° | 50° | 67° | — | — |
| 2011 | 68° | 48° | 58° | 0.2" | — |
| 2010 | 75° | 56° | 65° | — | — |
| 2009 | 96° | 45° | 70° | — | — |
| 2008 | 101° | 54° | 77° | — | — |
| 2007 | 85° | 52° | 68° | — | — |
| 2006 | 94° | 58° | 76° | — | — |
| 2005 | 76° | 58° | 67° | — | — |
| 2004 | 75° | 51° | 63° | — | — |
| 2003 | 83° | 54° | 68° | — | — |
| 2002 | 78° | 50° | 64° | — | — |
| 2001 | 91° | 52° | 71° | — | — |
| 2000 | 79° | 43° | 61° | — | — |
| 1999 | 85° | 52° | 68° | — | — |
| 1998 | 71° | 43° | 57° | — | — |
| 1997warmest | 101° | 66° | 83° | — | — |
| 1996 | 72° | 57° | 64° | — | — |
| 1995 | 82° | 51° | 67° | — | — |
| 1994 | 66° | 46° | 56° | — | — |
| 1993 | 81° | 52° | 66° | — | — |
| 1992 | 87° | 55° | 71° | — | — |
| 1991 | 69° | 45° | 57° | — | — |
| 1990 | 78° | 36° | 57° | — | — |
| 1989 | 83° | 34° | 58° | — | — |
| 1988 | 75° | 41° | 58° | — | — |
| 1987 | 77° | 48° | 63° | — | — |
| 1986 | 95° | 52° | 73° | — | — |
| 1985 | 78° | 47° | 62° | — | — |
| 1984 | 80° | 51° | 66° | — | — |
| 1983 | 87° | 53° | 70° | — | — |
| 1982 | 76° | 45° | 60° | — | — |
| 1981 | 82° | 56° | 69° | 0.25" | — |
| 1980 | 88° | 55° | 71° | — | — |
| 1979 | 92° | 58° | 75° | — | — |
| 1978 | 89° | 50° | 70° | — | — |
| 1977 | 73° | 46° | 60° | — | — |
| 1976 | 82° | 45° | 63° | — | — |
| 1975 | 90° | 57° | 73° | — | — |
| 1974coldest | 70° | 40° | 55° | — | — |
| 1973 | 98° | 61° | 79° | — | — |
| 1972 | 77° | 43° | 60° | — | — |
| 1971 | 77° | 42° | 60° | — | — |
55 years of data from STOCKTON FIRE STN 4