Weather on May 17
Concord, CA
55 Years of Data
Avg High
78°F
Avg Low
52°F
Warmest
2008
84°F avg
Coldest
1974
54°F avg
About This Date
May 17th 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 17th was in 2008 (84°F average), while the coldest was 1974 (54°F) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 9% of May 17th dates historically. 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 17th in Concord, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 54° | 64° | — | — |
| 2024 | 74° | 54° | 64° | — | — |
| 2023 | 84° | 53° | 69° | — | — |
| 2022 | 85° | 52° | 68° | — | — |
| 2021 | 70° | 53° | 61° | — | — |
| 2020 | 76° | 60° | 68° | 0.3" | — |
| 2019 | 68° | 53° | 61° | — | — |
| 2018 | 77° | 54° | 65° | — | — |
| 2017 | 76° | 52° | 64° | — | — |
| 2016 | 92° | 56° | 74° | — | — |
| 2015 | 69° | 55° | 62° | — | — |
| 2014 | 77° | 55° | 66° | — | — |
| 2013 | 72° | 51° | 61° | — | — |
| 2012 | 74° | 51° | 62° | — | — |
| 2011 | 60° | 49° | 54° | 0.36" | — |
| 2010 | 62° | 53° | 58° | 0.15" | — |
| 2009 | 101° | 61° | 81° | — | — |
| 2008warmest | 98° | 69° | 84° | — | — |
| 2007 | 75° | 50° | 63° | — | — |
| 2006 | 85° | 55° | 70° | — | — |
| 2005 | 66° | 52° | 59° | — | — |
| 2004 | 70° | 53° | 61° | — | — |
| 2003 | 77° | 50° | 64° | — | — |
| 2002 | 79° | 51° | 65° | — | — |
| 2001 | 87° | 54° | 70° | — | — |
| 2000 | 76° | 54° | 65° | — | — |
| 1999 | 78° | 51° | 65° | — | — |
| 1998 | 66° | 44° | 55° | — | — |
| 1997 | 98° | 67° | 82° | — | — |
| 1996 | 70° | 60° | 65° | — | — |
| 1995 | 76° | 54° | 65° | — | — |
| 1994 | 65° | 51° | 58° | 0.36" | — |
| 1993 | 83° | 54° | 68° | — | — |
| 1992 | 81° | 55° | 68° | — | — |
| 1991 | 68° | 48° | 58° | — | — |
| 1990 | 73° | 44° | 59° | — | — |
| 1989 | 75° | 51° | 63° | — | — |
| 1988 | 74° | 46° | 60° | 0.41" | — |
| 1987 | 75° | 54° | 64° | — | — |
| 1986 | 75° | 52° | 63° | — | — |
| 1985 | 73° | 45° | 59° | — | — |
| 1984 | 80° | 45° | 62° | — | — |
| 1983 | 87° | 49° | 68° | — | — |
| 1982 | 75° | 63° | 69° | — | — |
| 1981 | 80° | 56° | 68° | — | — |
| 1980 | 89° | 50° | 70° | — | — |
| 1979 | 89° | 50° | 70° | — | — |
| 1978 | 88° | 48° | 68° | — | — |
| 1977 | 75° | 44° | 60° | — | — |
| 1976 | 74° | 41° | 57° | — | — |
| 1975 | 88° | 47° | 67° | — | — |
| 1974coldest | 67° | 41° | 54° | — | — |
| 1973 | 93° | 53° | 73° | — | — |
| 1972 | 76° | 50° | 63° | — | — |
| 1971 | 78° | 38° | 58° | — | — |
55 years of data from CONCORD BUCHANAN FLD