San Jose, CA
California · Records since 1893–2026
Records for August 11
🔥 Record High
August 11, 1937
+19° from 81° normal❄ Record Low
August 11, 1907
-12° from 59° normalAll-Time Records — San Jose
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 100°F | August 11, 1937 |
| 2 | 98°F | August 11, 1935 |
| 3 | 96°F | August 11, 1959 |
| 4 | 93°F | August 11, 1998 |
| 5 | 91°F | August 11, 2008 |
| 6 | 91°F | August 11, 1996 |
| 7 | 91°F | August 11, 1971 |
| 8 | 91°F | August 11, 1933 |
| 9 | 91°F | August 11, 1920 |
| 10 | 90°F | August 11, 1970 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 47°F | August 11, 1907 |
| 2 | 48°F | August 11, 1932 |
| 3 | 48°F | August 11, 1924 |
| 4 | 48°F | August 11, 1910 |
| 5 | 48°F | August 11, 1904 |
Heat Wave Summary — San Jose
threshold: 90°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date120 of 221 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1893–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — San Jose
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Sep 30, 2024 – Oct 7, 2024 | 8 | 106°F (Oct 2) | 100°F | 64°F |
| 2 | Sep 16, 1939 – Sep 23, 1939 | 8 | 101°F (Sep 21) | 96°F | 63°F |
| 3 | Aug 9, 1996 – Aug 16, 1996 | 8 | 100°F (Aug 12) | 94°F | 62°F |
| 4 | Jun 15, 1981 – Jun 22, 1981 | 8 | 97°F (Jun 19) | 95°F | 63°F |
| 5 | Jul 3, 1905 – Jul 9, 1905 | 7 | 108°F (Jul 7) | 101°F | 59°F |
| 6 | Aug 13, 2020 – Aug 19, 2020 | 7 | 103°F (Aug 14) | 97°F | 70°F |
| 7 | Jun 23, 1976 – Jun 29, 1976 | 7 | 102°F (Jun 27) | 99°F | 61°F |
| 8 | Jun 1, 1996 – Jun 7, 1996 | 7 | 100°F (Jun 2) | 96°F | 59°F |
| 9 | Sep 4, 2022 – Sep 9, 2022 | 6 | 109°F (Sep 6) | 101°F | 68°F |
| 10 | Jul 20, 2006 – Jul 25, 2006 | 6 | 104°F (Jul 23) | 98°F | 70°F |
Heat Waves Per Year
Warm Summer Nights (Jun–Aug)
Nights where the overnight low exceeded the 1991–2020 normal low
Above-Normal Summer Nights Per Year
Average June–August Low by Decade
Overnight lows · complete decades only
Precipitation
Actual vs. 1991–2020 full-month and full-season normals
Monthly Precipitation — Last 24 Months
Blue = actual · dashed line = monthly normal
Annual Precipitation Per Year (1970–2026)
Blue = above average · tan = below average · gold = 2026 (partial)
Heavy Rain Days Per Year (≥ 1.0")
Compare year-to-year changes in days with heavy rainfall (≥ 1.0")
Month in Review — July 2026
Average temperature · July 2026
100th-warmest month on record
34th-warmest July of 130 on record
-0.1° vs. 69.8° average (1991–2020)Average July Temperature by Year
1893–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2024 | 75.5°F |
| 2 | 1996 | 73.4°F |
| 3 | 2006 | 73.1°F |
| 4 | 1984 | 73.0°F |
| 5 | 1988 | 72.8°F |
| 6 | 1985 | 72.5°F |
| 7 | 2018 | 72.1°F |
| 8 | 1992 | 71.8°F |
| 9 | 1997 | 71.7°F |
| 10 | 2017 | 71.5°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2024 | 75.5°F |
| 2 | August 2020 | 73.7°F |
| 3 | August 2023 | 73.7°F |
| 4 | September 2017 | 73.4°F |
| 5 | July 1996 | 73.4°F |
| 6 | July 2006 | 73.1°F |
| 7 | July 1984 | 73.0°F |
| 8 | September 1997 | 72.9°F |
| 9 | September 2022 | 72.8°F |
| 10 | July 1988 | 72.8°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| San Jose, CA | 69.7°F | 34th of 130 |
| San Francisco Airport, CA | 64.2°F | 20th of 81 |
| Stockton, CA | 77.4°F | 46th of 131 |
| Merced, CA | 79.1°F | 54th of 112 |
| Sacramento, CA | 76.7°F | 30th of 143 |