Michael D Beckwith / CC BY 2.0
Sunnyvale, CA Weather on July 11
July 11th in Sunnyvale, CA typically brings pleasant summer weather, with average highs around 78°F and lows near 58°F. Over 55 years of records, the warmest July 11th was in 2024 (82°F average), while the coldest was 1974 (58°F) — a 24°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.6°F warmer on this date compared to 20-30 years ago.
What to Expect on July 11
Planning for July 11th in Sunnyvale, CA? Great weather for outdoor activities.
July 11 Weather Records for Sunnyvale
- •The all-time record high for July 11th in Sunnyvale, CA is 99°F, set in 2024.
- •The coldest July 11th on record dropped to 46°F in 1974.
- •Temperatures have reached 90°F or higher on July 11th in 3 of the last 55 years.
Frequently Asked Questions
What was the warmest July 11 ever in Sunnyvale?
The warmest July 11 in Sunnyvale, CA reached 99°F in 2024. That is 21°F above the long-term average high of 78°F.
What was the coldest July 11 ever in Sunnyvale?
The coldest July 11 in Sunnyvale, CA dropped to 46°F in 1974. That is 12°F below the long-term average low of 58°F.
What is the average temperature on July 11 in Sunnyvale?
On July 11, Sunnyvale averages a high of 78°F and a low of 58°F based on 55 years of NOAA weather observations from MOFFETT FED AIRFIELD.
How many years of weather data are available for July 11 in Sunnyvale?
We have 55 years of weather records for July 11 in Sunnyvale, 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 Sunnyvale
| Year | High | Low | Precip | Snow |
|---|---|---|---|---|
| 2025 | 79°F | 61°F | -- | -- |
| 2024 | 99°F | 66°F | 0" | -- |
| 2023 | 85°F | 56°F | 0" | -- |
| 2022 | 86°F | 63°F | 0" | -- |
| 2021 | 75°F | 57°F | 0" | -- |
| 2020 | 91°F | 59°F | 0" | -- |
| 2019 | 77°F | 61°F | 0" | -- |
| 2018 | 79°F | 58°F | 0" | -- |
| 2017 | 78°F | 59°F | 0" | -- |
| 2016 | 78°F | 58°F | 0" | -- |
| 2015 | 77°F | 57°F | 0" | -- |
| 2014 | 75°F | 59°F | 0" | -- |
| 2013 | 72°F | 58°F | 0" | -- |
| 2012 | 82°F | 58°F | 0" | -- |
| 2011 | 69°F | 57°F | 0" | -- |
| 2010 | 74°F | 60°F | 0" | -- |
| 2009 | 75°F | 57°F | 0" | -- |
| 2008 | 79°F | 61°F | 0" | -- |
| 2007 | 78°F | 62°F | 0" | -- |
| 2006 | 73°F | 57°F | 0" | -- |
| 2005 | 82°F | 62°F | 0" | -- |
| 2004 | 79°F | 57°F | 0" | -- |
| 2003 | 75°F | 56°F | 0" | -- |
| 2002 | 81°F | 61°F | 0" | -- |
| 2001 | 71°F | 54°F | 0" | -- |
| 2000 | 76°F | 58°F | 0" | -- |
| 1999 | 89°F | 61°F | 0" | -- |
| 1998 | 81°F | 60°F | 0" | -- |
| 1997 | 79°F | 57°F | -- | -- |
| 1996 | 76°F | 58°F | -- | -- |
| 1995 | 75°F | 55°F | 0" | -- |
| 1994 | 80°F | 56°F | 0" | -- |
| 1993 | 80°F | 60°F | 0" | -- |
| 1992 | 84°F | 66°F | 0" | -- |
| 1991 | 78°F | 56°F | 0" | -- |
| 1990 | 84°F | 66°F | 0" | -- |
| 1989 | 76°F | 56°F | 0" | -- |
| 1988 | 75°F | 56°F | 0" | -- |
| 1987 | 80°F | 59°F | 0" | -- |
| 1986 | 82°F | 58°F | 0" | -- |
| 1985 | 75°F | 60°F | 0" | -- |
| 1984 | 81°F | 58°F | 0" | -- |
| 1983 | 93°F | 65°F | 0" | -- |
| 1982 | 71°F | 59°F | 0" | -- |
| 1981 | 72°F | 54°F | 0" | -- |
| 1980 | 72°F | 57°F | 0" | -- |
| 1979 | 83°F | 55°F | 0" | -- |
| 1978 | 73°F | 53°F | 0" | -- |
| 1977 | 80°F | 57°F | 0" | -- |
| 1976 | 76°F | 60°F | 0" | -- |
| 1975 | 65°F | 54°F | 0" | -- |
| 1974 | 69°F | 46°F | 0" | -- |
| 1973 | 72°F | 56°F | 0" | -- |
| 1972 | 80°F | 57°F | 0" | -- |
| 1971 | 78°F | 54°F | 0" | -- |
Based on 55 years of data from NOAA station: MOFFETT FED AIRFIELD
Monthly Climate Averages
Historical temperature and precipitation averages for Sunnyvale, CA, based on 55+ years of weather data.
Temperatures in Fahrenheit. Precipitation and snowfall in inches.