Basile Morin / CC BY-SA 4.0
Chico, CA Weather on October 9
October 9th in Chico, CA typically brings warm fall weather, with average highs around 81°F and lows near 51°F — a 30°F daily swing. Over 55 years of records, the warmest October 9th was in 2022 (82°F average), while the coldest was 1973 (49°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 4% of October 9th dates historically, with the wettest October 9th recording 1.1" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.
What to Expect on October 9
Planning for October 9th in Chico, CA? Stay hydrated and seek shade during peak afternoon hours.
October 9 Weather Records for Chico
- •The all-time record high for October 9th in Chico, CA is 98°F, set in 1996.
- •The coldest October 9th on record dropped to 40°F in 1985.
- •Temperatures have reached 90°F or higher on October 9th in 8 of the last 55 years.
- •Last year (1971), October 9th was 13°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest October 9 ever in Chico?
The warmest October 9 in Chico, CA reached 98°F in 1996. That is 17°F above the long-term average high of 81°F.
What was the coldest October 9 ever in Chico?
The coldest October 9 in Chico, CA dropped to 40°F in 1985. That is 11°F below the long-term average low of 51°F.
What is the average temperature on October 9 in Chico?
On October 9, Chico averages a high of 81°F and a low of 51°F based on 55 years of NOAA weather observations from CHICO UNIV FARM.
How many years of weather data are available for October 9 in Chico?
We have 55 years of weather records for October 9 in Chico, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
October 9 Weather History in Chico
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 69°F | 54°F | -- | -- |
| 2024 | 84°F | 71°F | -- | -- |
| 2023 | 72°F | 59°F | -- | -- |
| 2022 | 90°F | 74°F | -- | -- |
| 2021 | 72°F | 47°F | -- | -- |
| 2020 | 80°F | 48°F | 0" | -- |
| 2019 | 85°F | 50°F | 0" | -- |
| 2018 | 80°F | 61°F | -- | -- |
| 2017 | 81°F | 51°F | 0" | -- |
| 2016 | 85°F | 68°F | -- | -- |
| 2015 | 88°F | 53°F | 0" | -- |
| 2014 | 96°F | 49°F | 0" | -- |
| 2013 | 76°F | 44°F | -- | -- |
| 2012 | 76°F | 47°F | 0" | -- |
| 2011 | 77°F | 49°F | -- | -- |
| 2010 | 87°F | 51°F | -- | -- |
| 2009 | 80°F | 41°F | 0" | -- |
| 2008 | 71°F | 53°F | -- | -- |
| 2007 | 82°F | 52°F | 0" | -- |
| 2006 | 89°F | 41°F | 0" | -- |
| 2005 | 83°F | 47°F | -- | -- |
| 2004 | 76°F | 55°F | -- | -- |
| 2003 | 85°F | 53°F | 0" | -- |
| 2002 | 92°F | 52°F | 0" | -- |
| 2001 | 83°F | 50°F | 0" | -- |
| 2000 | 83°F | 51°F | 0" | -- |
| 1999 | 88°F | 52°F | 0" | -- |
| 1998 | 81°F | 45°F | 0" | -- |
| 1997 | 62°F | 49°F | 1.1" | -- |
| 1996 | 98°F | 53°F | 0" | -- |
| 1995 | 83°F | 45°F | 0" | -- |
| 1994 | 84°F | 45°F | 0" | -- |
| 1993 | 77°F | 47°F | 0" | -- |
| 1992 | 92°F | 50°F | 0" | -- |
| 1991 | 85°F | 67°F | 0" | -- |
| 1990 | 85°F | 42°F | 0" | -- |
| 1989 | 85°F | 48°F | 0" | -- |
| 1988 | -- | 49°F | 0" | -- |
| 1987 | 84°F | 57°F | 0" | -- |
| 1986 | 91°F | 53°F | 0" | -- |
| 1985 | 70°F | 40°F | 0" | -- |
| 1984 | 82°F | 46°F | 0" | -- |
| 1983 | 81°F | 57°F | 0" | -- |
| 1982 | 84°F | 43°F | 0" | -- |
| 1981 | 72°F | 48°F | 0" | -- |
| 1980 | 93°F | 54°F | 0" | -- |
| 1979 | 74°F | 52°F | 0" | -- |
| 1978 | 87°F | 47°F | 0" | -- |
| 1977 | 82°F | 46°F | 0" | -- |
| 1976 | 87°F | 60°F | 0" | -- |
| 1975 | 67°F | 42°F | 0" | -- |
| 1974 | 81°F | 51°F | 0" | -- |
| 1973 | 56°F | 43°F | 0.21" | -- |
| 1972 | 72°F | 56°F | 0" | -- |
| 1971 | 94°F | 55°F | 0" | -- |
Based on 55 years of data from NOAA station: CHICO UNIV FARM
Monthly Climate Averages
Historical temperature and precipitation averages for Chico, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.