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Fullerton, CA Weather on July 11
July 11th in Fullerton, CA typically brings warm summer weather, with average highs around 86°F and lows near 64°F. Over 55 years of records, the warmest July 11th was in 1990 (85°F average), while the coldest was 2001 (67°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 11th dates historically. The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.
What to Expect on July 11
Planning for July 11th in Fullerton, CA? Stay hydrated and seek shade during peak afternoon hours.
July 11 Weather Records for Fullerton
- •The all-time record high for July 11th in Fullerton, CA is 99°F, set in 2020.
- •The coldest July 11th on record dropped to 53°F in 1974.
- •Temperatures have reached 90°F or higher on July 11th in 18 of the last 55 years.
- •Last year (1971), July 11th was 12°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest July 11 ever in Fullerton?
The warmest July 11 in Fullerton, CA reached 99°F in 2020. That is 13°F above the long-term average high of 86°F.
What was the coldest July 11 ever in Fullerton?
The coldest July 11 in Fullerton, CA dropped to 53°F in 1974. That is 11°F below the long-term average low of 64°F.
What is the average temperature on July 11 in Fullerton?
On July 11, Fullerton averages a high of 86°F and a low of 64°F based on 55 years of NOAA weather observations from ANAHEIM.
How many years of weather data are available for July 11 in Fullerton?
We have 55 years of weather records for July 11 in Fullerton, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.
July 11 Weather History in Fullerton
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 82°F | 66°F | 0" | -- |
| 2024 | 89°F | 67°F | 0" | -- |
| 2023 | 93°F | 64°F | 0" | -- |
| 2022 | 89°F | 66°F | 0" | -- |
| 2021 | 90°F | 68°F | 0" | -- |
| 2020 | 99°F | 68°F | 0" | -- |
| 2019 | 86°F | 64°F | 0" | -- |
| 2018 | 91°F | 70°F | 0" | -- |
| 2017 | 89°F | 71°F | 0" | -- |
| 2016 | 86°F | 66°F | 0" | -- |
| 2015 | 82°F | 61°F | 0" | -- |
| 2014 | 85°F | 67°F | 0" | -- |
| 2013 | 80°F | 69°F | 0.03" | -- |
| 2012 | 93°F | 68°F | 0" | -- |
| 2011 | 81°F | 64°F | 0" | -- |
| 2010 | 79°F | 63°F | 0" | -- |
| 2009 | 94°F | 64°F | 0" | -- |
| 2008 | 84°F | 67°F | 0" | -- |
| 2007 | 84°F | 67°F | 0" | -- |
| 2006 | 91°F | 66°F | 0" | -- |
| 2005 | 83°F | 62°F | 0" | -- |
| 2004 | 88°F | 63°F | 0" | -- |
| 2003 | 91°F | 66°F | 0" | -- |
| 2002 | 87°F | 67°F | 0" | -- |
| 2001 | 77°F | 58°F | 0" | -- |
| 2000 | 78°F | 63°F | 0" | -- |
| 1999 | 91°F | 67°F | 0" | -- |
| 1998 | 85°F | 59°F | 0" | -- |
| 1997 | 77°F | 66°F | 0" | -- |
| 1996 | 85°F | 64°F | 0" | -- |
| 1995 | 90°F | 61°F | 0" | -- |
| 1994 | 81°F | 64°F | 0" | -- |
| 1993 | 85°F | 63°F | 0" | -- |
| 1992 | 83°F | 68°F | 0" | -- |
| 1991 | 78°F | 62°F | 0" | -- |
| 1990 | 98°F | 71°F | 0" | -- |
| 1989 | 78°F | 66°F | 0" | -- |
| 1988 | 77°F | 62°F | 0" | -- |
| 1987 | 77°F | 61°F | 0" | -- |
| 1986 | 78°F | 63°F | 0" | -- |
| 1985 | 90°F | 66°F | 0" | -- |
| 1984 | 89°F | 64°F | 0" | -- |
| 1983 | 91°F | 64°F | 0" | -- |
| 1982 | 90°F | 56°F | 0" | -- |
| 1981 | 88°F | 64°F | 0" | -- |
| 1980 | 94°F | 57°F | 0" | -- |
| 1979 | 86°F | 55°F | 0" | -- |
| 1978 | 86°F | 60°F | 0" | -- |
| 1977 | 81°F | 56°F | 0" | -- |
| 1976 | 82°F | 62°F | 0" | -- |
| 1975 | 97°F | 61°F | 0" | -- |
| 1974 | 88°F | 53°F | 0" | -- |
| 1973 | 78°F | 62°F | 0" | -- |
| 1972 | 95°F | 56°F | 0" | -- |
| 1971 | 98°F | 56°F | 0" | -- |
Based on 55 years of data from NOAA station: ANAHEIM
Monthly Climate Averages
Historical temperature and precipitation averages for Fullerton, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.