Weather on August 31
Chico, CA
55 Years of Data
Avg High
92°F
Avg Low
60°F
Warmest
2007
88°F avg
Coldest
1984
63°F avg
About This Date
August 31st in Chico, CA typically brings hot summer weather, with average highs around 92°F and lows near 60°F — a 32°F daily swing. Over 55 years of records, the warmest August 31st was in 2007 (88°F average), while the coldest was 1984 (63°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 4% of August 31st dates historically, with the wettest August 31st recording 1.98" of rain. The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.5°F warmer on this date compared to 20-30 years ago.
Planning for August 31st in Chico, CA? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 80° | 87° | — | — |
| 2024 | 96° | 76° | 86° | — | — |
| 2023 | 91° | 71° | 81° | — | — |
| 2022 | 102° | 60° | 81° | — | — |
| 2021 | 92° | 72° | 82° | — | — |
| 2020 | 92° | 62° | 77° | — | — |
| 2019 | 93° | 73° | 83° | — | — |
| 2018 | 83° | 55° | 69° | — | — |
| 2017 | 96° | 59° | 78° | — | — |
| 2016 | 89° | 58° | 73° | — | — |
| 2015 | 90° | 57° | 73° | — | — |
| 2014 | 91° | 66° | 79° | — | — |
| 2013 | 97° | 61° | 79° | — | — |
| 2012 | 99° | 52° | 75° | — | — |
| 2011 | 94° | 57° | 75° | — | — |
| 2010 | 83° | 47° | 65° | — | — |
| 2009 | 103° | 55° | 79° | — | — |
| 2008 | 86° | 58° | 72° | — | — |
| 2007warmest | 102° | 73° | 88° | — | — |
| 2006 | 96° | 55° | 76° | — | — |
| 2005 | 98° | 56° | 77° | — | — |
| 2004 | 98° | 58° | 78° | — | — |
| 2003 | 102° | 64° | 83° | — | — |
| 2002 | 97° | 58° | 77° | — | — |
| 2001 | 89° | 58° | 73° | — | — |
| 2000 | 75° | 58° | 66° | — | — |
| 1999 | 84° | 56° | 70° | — | — |
| 1998 | 102° | 60° | 81° | — | — |
| 1997 | 90° | 63° | 76° | — | — |
| 1996 | 102° | 59° | 81° | — | — |
| 1995 | 92° | 52° | 72° | — | — |
| 1994 | 92° | 56° | 74° | — | — |
| 1993 | 88° | 57° | 72° | — | — |
| 1992 | 79° | 57° | 68° | — | — |
| 1991 | 94° | 55° | 74° | — | — |
| 1990 | 89° | 59° | 74° | — | — |
| 1989 | 86° | 52° | 69° | — | — |
| 1988 | 101° | 60° | 80° | — | — |
| 1987 | 107° | 65° | 86° | — | — |
| 1986 | 94° | 66° | 80° | — | — |
| 1985 | 83° | 61° | 72° | — | — |
| 1984coldest | 73° | 54° | 63° | 1.98" | — |
| 1983 | 89° | — | — | — | — |
| 1982 | 87° | 52° | 69° | — | — |
| 1981 | 98° | 52° | 75° | — | — |
| 1980 | 83° | 55° | 69° | — | — |
| 1979 | 79° | 56° | 67° | — | — |
| 1978 | 85° | 58° | 71° | — | — |
| 1977 | 97° | 56° | 76° | — | — |
| 1976 | 102° | 55° | 79° | — | — |
| 1975 | 83° | 54° | 68° | — | — |
| 1974 | 89° | 62° | 76° | — | — |
| 1973 | 89° | 59° | 74° | — | — |
| 1972 | 100° | 63° | 81° | — | — |
| 1971 | 80° | 62° | 71° | 0.08" | — |
55 years of data from CHICO UNIV FARM