Weather on May 18
Chico, CA
55 Years of Data
Avg High
81°F
Avg Low
53°F
Warmest
2006
83°F avg
Coldest
2019
51°F avg
About This Date
May 18th in Chico, CA typically brings warm spring weather, with average highs around 81°F and lows near 53°F — a 28°F daily swing. Over 55 years of records, the warmest May 18th was in 2006 (83°F average), while the coldest was 2019 (51°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 16% of May 18th dates historically, with the wettest May 18th recording 2.11" 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 18th in Chico, CA? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 75° | 54° | 64° | — | — |
| 2024 | 81° | 62° | 71° | — | — |
| 2023 | 94° | 58° | 76° | — | — |
| 2022 | 90° | 69° | 79° | — | — |
| 2021 | 79° | 59° | 69° | — | — |
| 2020 | 62° | 47° | 54° | — | — |
| 2019coldest | 55° | 46° | 51° | — | — |
| 2018 | 82° | 55° | 69° | — | — |
| 2017 | 79° | 57° | 68° | — | — |
| 2016 | 93° | 51° | 72° | — | — |
| 2015 | 78° | 62° | 70° | — | — |
| 2014 | 73° | 58° | 65° | — | — |
| 2013 | 83° | 49° | 66° | — | — |
| 2012 | 79° | 48° | 63° | — | — |
| 2011 | 60° | 48° | 54° | 0.58" | — |
| 2010 | 63° | 49° | 56° | 0.36" | — |
| 2009 | 101° | 52° | 76° | — | — |
| 2008 | 98° | 66° | 82° | — | — |
| 2007 | 84° | 54° | 69° | — | — |
| 2006warmest | 99° | 67° | 83° | — | — |
| 2005 | 61° | 53° | 57° | 2.11" | — |
| 2004 | 76° | 52° | 64° | 0.18" | — |
| 2003 | 76° | 50° | 63° | — | — |
| 2002 | 87° | 55° | 71° | — | — |
| 2001 | 98° | 59° | 79° | — | — |
| 2000 | 81° | 56° | 68° | — | — |
| 1999 | 82° | 54° | 68° | — | — |
| 1998 | 69° | 47° | 58° | — | — |
| 1997 | 100° | 60° | 80° | — | — |
| 1996 | 63° | 57° | 60° | 0.56" | — |
| 1995 | 79° | 53° | 66° | — | — |
| 1994 | 74° | 45° | 59° | 0.2" | — |
| 1993 | 85° | 55° | 70° | — | — |
| 1992 | 87° | 58° | 72° | — | — |
| 1991 | 62° | 44° | 53° | 0.08" | — |
| 1990 | 78° | 46° | 62° | — | — |
| 1989 | 90° | 50° | 70° | — | — |
| 1988 | 77° | 46° | 62° | — | — |
| 1987 | 78° | 51° | 65° | — | — |
| 1986 | 92° | 45° | 68° | — | — |
| 1985 | 88° | 45° | 66° | — | — |
| 1984 | 82° | 52° | 67° | — | — |
| 1983 | 84° | 51° | 68° | — | — |
| 1982 | 76° | 52° | 64° | — | — |
| 1981 | 76° | 47° | 61° | 1.4" | — |
| 1980 | 88° | 53° | 70° | — | — |
| 1979 | 95° | 60° | 78° | — | — |
| 1978 | 85° | 52° | 68° | — | — |
| 1977 | 73° | 44° | 59° | — | — |
| 1976 | 79° | 48° | 63° | — | — |
| 1975 | 92° | 60° | 76° | — | — |
| 1974 | 65° | 44° | 54° | 0.69" | — |
| 1973 | 92° | 69° | 80° | — | — |
| 1972 | 79° | 47° | 63° | — | — |
| 1971 | 83° | 41° | 62° | — | — |
55 years of data from CHICO UNIV FARM