Weather on May 20
Concord, CA
55 Years of Data
Avg High
78°F
Avg Low
52°F
Warmest
1983
75°F avg
Coldest
1974
56°F avg
About This Date
May 20th in Concord, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 52°F — a 26°F daily swing. Over 55 years of records, the warmest May 20th was in 1983 (75°F average), while the coldest was 1974 (56°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 7% of May 20th dates historically, with the wettest May 20th recording 1.42" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for May 20th in Concord, CA? Great weather for outdoor activities.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 56° | 70° | — | — |
| 2024 | 81° | 52° | 66° | — | — |
| 2023 | 74° | 53° | 63° | — | — |
| 2022 | 83° | 51° | 67° | — | — |
| 2021 | 71° | 49° | 60° | 0.03" | — |
| 2020 | 76° | 54° | 65° | — | — |
| 2019 | 68° | 49° | 58° | — | — |
| 2018 | 70° | 55° | 62° | — | — |
| 2017 | 94° | 57° | 75° | — | — |
| 2016 | 67° | 52° | 59° | — | — |
| 2015 | 68° | 54° | 61° | — | — |
| 2014 | 75° | 52° | 63° | — | — |
| 2013 | 91° | 51° | 71° | — | — |
| 2012 | 89° | 55° | 72° | — | — |
| 2011 | 78° | 52° | 65° | — | — |
| 2010 | 73° | 47° | 60° | — | — |
| 2009 | 80° | 51° | 66° | — | — |
| 2008 | 78° | 54° | 66° | — | — |
| 2007 | 79° | 53° | 66° | — | — |
| 2006 | 75° | 50° | 63° | — | — |
| 2005 | 74° | 50° | 62° | — | — |
| 2004 | 71° | 53° | 62° | — | — |
| 2003 | 89° | 54° | 71° | — | — |
| 2002 | 63° | 49° | 56° | 1.42" | — |
| 2001 | 97° | 53° | 75° | — | — |
| 2000 | 94° | 57° | 75° | — | — |
| 1999 | 69° | 51° | 60° | — | — |
| 1998 | 68° | 47° | 57° | — | — |
| 1997 | 83° | 58° | 70° | — | — |
| 1996 | 74° | 51° | 62° | — | — |
| 1995 | 83° | 51° | 67° | — | — |
| 1994 | 71° | 50° | 61° | — | — |
| 1993 | 76° | 61° | 68° | — | — |
| 1992 | 79° | 56° | 67° | — | — |
| 1991 | 78° | 46° | 62° | — | — |
| 1990 | 67° | 50° | 58° | 0.81" | — |
| 1989 | 75° | 46° | 61° | — | — |
| 1988 | 97° | 51° | 74° | — | — |
| 1987 | 75° | 49° | 62° | 0.28" | — |
| 1986 | 73° | 51° | 62° | — | — |
| 1985 | 82° | 60° | 71° | — | — |
| 1984 | 85° | 50° | 67° | — | — |
| 1983warmest | 94° | 57° | 75° | — | — |
| 1982 | 85° | 58° | 71° | — | — |
| 1981 | 76° | 45° | 60° | — | — |
| 1980 | 92° | 55° | 73° | — | — |
| 1979 | 71° | 56° | 63° | — | — |
| 1978 | 82° | 53° | 68° | — | — |
| 1977 | 82° | 47° | 64° | — | — |
| 1976 | 82° | 43° | 62° | — | — |
| 1975 | 73° | 52° | 62° | — | — |
| 1974coldest | 71° | 41° | 56° | — | — |
| 1973 | 71° | 54° | 62° | — | — |
| 1972 | 67° | 51° | 59° | — | — |
| 1971 | 80° | 45° | 62° | — | — |
55 years of data from CONCORD BUCHANAN FLD