Michael D Beckwith / CC BY 2.0
Fontana, CA Weather on July 11
July 11th in Fontana, CA typically brings hot summer weather, with average highs around 94°F and lows near 63°F — a 31°F daily swing. Over 54 years of records, the warmest July 11th was in 1990 (89°F average), while the coldest was 1989 (70°F) — a 19°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
What to Expect on July 11
Planning for July 11th in Fontana, CA? Stay hydrated and seek shade during peak afternoon hours.
July 11 Weather Records for Fontana
- •The all-time record high for July 11th in Fontana, CA is 108°F, set in 1971.
- •The coldest July 11th on record dropped to 50°F in 1989.
- •Temperatures have reached 90°F or higher on July 11th in 39 of the last 54 years.
- •Last year (1971), July 11th was 14°F warmer than the long-term average.
Frequently Asked Questions
What was the warmest July 11 ever in Fontana?
The warmest July 11 in Fontana, CA reached 108°F in 1971. That is 14°F above the long-term average high of 94°F.
What was the coldest July 11 ever in Fontana?
The coldest July 11 in Fontana, CA dropped to 50°F in 1989. That is 13°F below the long-term average low of 63°F.
What is the average temperature on July 11 in Fontana?
On July 11, Fontana averages a high of 94°F and a low of 63°F based on 54 years of NOAA weather observations from FONTANA KAISER.
How many years of weather data are available for July 11 in Fontana?
We have 54 years of weather records for July 11 in Fontana, 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 Fontana
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 91°F | 62°F | 0" | -- |
| 2024 | 95°F | 67°F | 0" | -- |
| 2023 | 98°F | 66°F | 0" | -- |
| 2022 | 93°F | 64°F | 0" | -- |
| 2021 | 99°F | 70°F | 0" | -- |
| 2020 | 105°F | 72°F | 0" | -- |
| 2019 | 99°F | 69°F | 0" | -- |
| 2018 | 99°F | 71°F | 0" | -- |
| 2017 | 95°F | 69°F | 0" | -- |
| 2016 | 91°F | 62°F | 0" | -- |
| 2015 | 86°F | 59°F | 0" | -- |
| 2014 | 90°F | 63°F | 0" | -- |
| 2013 | 85°F | 70°F | 0" | -- |
| 2012 | 102°F | 66°F | 0" | -- |
| 2011 | 85°F | 62°F | 0" | -- |
| 2010 | 86°F | 61°F | 0" | -- |
| 2009 | 99°F | 66°F | 0" | -- |
| 2008 | 88°F | 68°F | 0" | -- |
| 2007 | 87°F | 62°F | 0" | -- |
| 2006 | 96°F | 65°F | 0" | -- |
| 2005 | 93°F | 62°F | 0" | -- |
| 2004 | 97°F | 63°F | 0" | -- |
| 2003 | 98°F | 65°F | 0" | -- |
| 2002 | 92°F | 70°F | 0" | -- |
| 2001 | 87°F | 57°F | 0" | -- |
| 2000 | 84°F | 58°F | 0" | -- |
| 1999 | 103°F | 68°F | 0" | -- |
| 1998 | 95°F | 61°F | 0" | -- |
| 1997 | 83°F | 65°F | 0" | -- |
| 1996 | 95°F | 64°F | 0" | -- |
| 1994 | 95°F | 62°F | 0" | -- |
| 1993 | 94°F | 61°F | 0" | -- |
| 1992 | 87°F | 69°F | 0" | -- |
| 1991 | 89°F | 60°F | 0" | -- |
| 1990 | 104°F | 74°F | 0" | -- |
| 1989 | 89°F | 50°F | 0" | -- |
| 1988 | 89°F | 62°F | 0" | -- |
| 1987 | 87°F | 59°F | 0" | -- |
| 1986 | 93°F | 57°F | 0" | -- |
| 1985 | 100°F | 69°F | 0" | -- |
| 1984 | 106°F | 61°F | 0" | -- |
| 1983 | 104°F | 58°F | 0" | -- |
| 1982 | 98°F | 58°F | 0" | -- |
| 1981 | 94°F | 58°F | 0" | -- |
| 1980 | 99°F | 60°F | 0" | -- |
| 1979 | 93°F | 56°F | 0" | -- |
| 1978 | 93°F | 52°F | 0" | -- |
| 1977 | 92°F | 57°F | 0" | -- |
| 1976 | 98°F | 65°F | 0" | -- |
| 1975 | 98°F | 69°F | 0" | -- |
| 1974 | 88°F | 57°F | 0" | -- |
| 1973 | 93°F | 61°F | 0" | -- |
| 1972 | 102°F | 68°F | 0" | -- |
| 1971 | 108°F | 68°F | 0" | -- |
Based on 54 years of data from NOAA station: FONTANA KAISER
Monthly Climate Averages
Historical temperature and precipitation averages for Fontana, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.