Ukiah, CA
California · Records since 1893–2026
Records for August 11
🔥 Record High
August 11, 1935
+15° from 94° normal❄ Record Low
August 11, 1909
-15° from 55° normalAll-Time Records — Ukiah
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 109°F | August 11, 1935 |
| 2 | 108°F | August 11, 1937 |
| 3 | 108°F | August 11, 1901 |
| 4 | 107°F | August 11, 2021 |
| 5 | 107°F | August 11, 2012 |
| 6 | 107°F | August 11, 1970 |
| 7 | 107°F | August 11, 1960 |
| 8 | 107°F | August 11, 1940 |
| 9 | 107°F | August 11, 1933 |
| 10 | 105°F | August 11, 1924 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 40°F | August 11, 1909 |
| 2 | 42°F | August 11, 1942 |
| 3 | 42°F | August 11, 1899 |
| 4 | 44°F | August 11, 1921 |
| 5 | 44°F | August 11, 1911 |
Heat Wave Summary — Ukiah
threshold: 102°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date136 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 — Ukiah
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Aug 24, 1924 – Aug 31, 1924 | 8 | 113°F (Aug 26) | 107°F | 49°F |
| 2 | Aug 3, 1978 – Aug 10, 1978 | 8 | 112°F (Aug 8) | 108°F | 65°F |
| 3 | Jul 17, 1960 – Jul 24, 1960 | 8 | 111°F (Jul 20) | 106°F | 59°F |
| 4 | Jul 2, 2024 – Jul 8, 2024 | 7 | 117°F (Jul 6) | 111°F | 63°F |
| 5 | Aug 27, 1950 – Sep 2, 1950 | 7 | 112°F (Sep 1) | 107°F | 57°F |
| 6 | Jul 4, 1905 – Jul 10, 1905 | 7 | 111°F (Jul 7) | 107°F | 57°F |
| 7 | Jun 27, 1924 – Jul 3, 1924 | 7 | 111°F (Jul 1) | 107°F | 52°F |
| 8 | Sep 5, 1944 – Sep 11, 1944 | 7 | 109°F (Sep 8) | 105°F | 54°F |
| 9 | Aug 13, 1967 – Aug 19, 1967 | 7 | 109°F (Aug 17) | 106°F | 57°F |
| 10 | Sep 4, 1902 – Sep 10, 1902 | 7 | 108°F (Sep 9) | 104°F | 46°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
52nd-warmest month on record
37th-warmest July of 130 on record
+0.5° vs. 74.4° average (1991–2020)Longest 90°F Streak in July
16 consecutive days with highs of at least 90°F (Jul 6–21, 2026, peaking at 102°F)
The longest July streak since 2023 (3 years). The July record is 31 days, set in 2021.
Average July Temperature by Year
1893–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2024 | 81.2°F |
| 2 | 2021 | 79.2°F |
| 3 | 1984 | 78.6°F |
| 4 | 2006 | 77.9°F |
| 5 | 2018 | 77.7°F |
| 6 | 1931 | 77.6°F |
| 7 | 1985 | 77.3°F |
| 8 | 1960 | 77.3°F |
| 9 | 1996 | 77.1°F |
| 10 | 2014 | 77.1°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2024 | 81.2°F |
| 2 | July 2021 | 79.2°F |
| 3 | July 1984 | 78.6°F |
| 4 | August 2020 | 78.2°F |
| 5 | August 1958 | 78.1°F |
| 6 | July 2006 | 77.9°F |
| 7 | July 2018 | 77.7°F |
| 8 | August 2021 | 77.6°F |
| 9 | July 1931 | 77.6°F |
| 10 | August 1967 | 77.6°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Ukiah, CA | 75.0°F | 37th of 130 |
| Sacramento, CA | 76.7°F | 30th of 143 |
| Redding, CA | 83.4°F | 52nd of 123 |
| San Francisco Airport, CA | 64.2°F | 20th of 81 |
| Eureka, CA | 59.0°F | 14th of 140 |