El Cajon, CA
California · Records since 1899–2026
Records for August 11
🔥 Record High
August 11, 2000
+15° from 88° normal❄ Record Low
August 11, 1948
-16° from 65° normalAll-Time Records — El Cajon
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 103°F | August 11, 2000 |
| 2 | 102°F | August 11, 1994 |
| 3 | 101°F | August 11, 2003 |
| 4 | 99°F | August 11, 1946 |
| 5 | 99°F | August 11, 1906 |
| 6 | 98°F | August 11, 1935 |
| 7 | 98°F | August 11, 1933 |
| 8 | 97°F | August 11, 1922 |
| 9 | 96°F | August 11, 2022 |
| 10 | 95°F | August 11, 2021 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 49°F | August 11, 1948 |
| 2 | 50°F | August 11, 1932 |
| 3 | 50°F | August 11, 1923 |
| 4 | 50°F | August 11, 1910 |
| 5 | 51°F | August 11, 1949 |
Heat Wave Summary — El Cajon
threshold: 95°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date123 of 209 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1899–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — El Cajon
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 29, 1952 – Sep 10, 1952 | 13 | 103°F (Sep 9) | 99°F | 58°F |
| 2 | Aug 29, 1928 – Sep 8, 1928 | 11 | 108°F (Sep 7) | 99°F | 54°F |
| 3 | Aug 25, 2009 – Sep 4, 2009 | 11 | 107°F (Aug 29) | 100°F | 66°F |
| 4 | Aug 25, 1995 – Sep 4, 1995 | 11 | 105°F (Aug 29) | 100°F | 65°F |
| 5 | Aug 17, 2010 – Aug 27, 2010 | 11 | 103°F (Aug 25) | 98°F | 68°F |
| 6 | Aug 31, 1955 – Sep 8, 1955 | 9 | 113°F (Sep 1) | 107°F | 61°F |
| 7 | Sep 9, 1913 – Sep 17, 1913 | 9 | 108°F (Sep 17) | 101°F | 59°F |
| 8 | Sep 15, 1939 – Sep 23, 1939 | 9 | 105°F (Sep 21) | 101°F | 63°F |
| 9 | Jul 5, 1940 – Jul 13, 1940 | 9 | 105°F (Jul 10) | 101°F | 56°F |
| 10 | Jul 14, 1936 – Jul 22, 1936 | 9 | 101°F (Jul 16) | 98°F | 64°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
37th-warmest month on record
8th-warmest July of 111 on record
+1.7° vs. 75.4° average (1991–2020)Longest 90°F Streak in July
5 consecutive days with highs of at least 90°F (Jul 19–23, 2026, peaking at 93°F)
Ties the longest July streak since 2023 (3 years). The July record is 14 days, set in 1927.
Average July Temperature by Year
1899–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2006 | 80.9°F |
| 2 | 2018 | 79.4°F |
| 3 | 1984 | 79.4°F |
| 4 | 1981 | 77.5°F |
| 5 | 2017 | 77.3°F |
| 6 | 1996 | 77.3°F |
| 7 | 1980 | 77.2°F |
| 8 | 2014 | 77.1°F |
| 9 | 2026 | 77.1°F |
| 10 | 2016 | 76.9°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2006 | 80.9°F |
| 2 | August 2018 | 79.5°F |
| 3 | August 2020 | 79.5°F |
| 4 | July 2018 | 79.4°F |
| 5 | July 1984 | 79.4°F |
| 6 | August 2003 | 79.2°F |
| 7 | August 1992 | 79.1°F |
| 8 | September 2015 | 79.0°F |
| 9 | September 2014 | 79.0°F |
| 10 | August 1967 | 79.0°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| El Cajon, CA | 77.1°F | 8th of 111 |
| San Diego, CA | 72.4°F | 15th of 152 |
| Ramona, CA | 74.8°F | 8th of 47 |
| Escondido, CA | 79.7°F | 2nd of 123 |
| Palm Springs, CA | 96.1°F | 8th of 91 |