Alturas, CA
California · Records since 1935–2026
Records for August 11
🔥 Record High
August 11, 1992
+12° from 88° normal❄ Record Low
August 11, 1995
-10° from 45° normalAll-Time Records — Alturas
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 100°F | August 11, 1992 |
| 2 | 99°F | August 11, 2021 |
| 3 | 98°F | August 11, 2025 |
| 4 | 98°F | August 11, 2004 |
| 5 | 98°F | August 11, 1971 |
| 6 | 98°F | August 11, 1966 |
| 7 | 97°F | August 11, 1970 |
| 8 | 97°F | August 11, 1955 |
| 9 | 97°F | August 11, 1940 |
| 10 | 96°F | August 11, 2012 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 35°F | August 11, 1995 |
| 2 | 35°F | August 11, 1989 |
| 3 | 35°F | August 11, 1944 |
| 4 | 36°F | August 11, 2019 |
| 5 | 36°F | August 11, 1993 |
Heat Wave Summary — Alturas
threshold: 95°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date154 of 216 days with data were above the 1991–2020 normal high for their date.
Days ≥ 90°F Per Year
1935–2026Average Daily High by Decade
Full year · complete decades only
Longest Heat Waves — Alturas
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 18, 1988 – Aug 1, 1988 | 15 | 104°F (Jul 31) | 99°F | 50°F |
| 2 | Aug 12, 1967 – Aug 24, 1967 | 13 | 105°F (Aug 19) | 100°F | 46°F |
| 3 | Jul 16, 1959 – Jul 27, 1959 | 12 | 101°F (Jul 17) | 98°F | 49°F |
| 4 | Jul 5, 2021 – Jul 14, 2021 | 10 | 102°F (Jul 10) | 99°F | 49°F |
| 5 | Jul 4, 2024 – Jul 13, 2024 | 10 | 102°F (Jul 6) | 100°F | 48°F |
| 6 | Aug 30, 1955 – Sep 7, 1955 | 9 | 106°F (Sep 4) | 101°F | 42°F |
| 7 | Jul 16, 1960 – Jul 23, 1960 | 8 | 107°F (Jul 19) | 100°F | 45°F |
| 8 | Jun 26, 2021 – Jul 3, 2021 | 8 | 105°F (Jun 28) | 99°F | 54°F |
| 9 | Aug 4, 1972 – Aug 11, 1972 | 8 | 104°F (Aug 8) | 99°F | 49°F |
| 10 | Jul 24, 2022 – Jul 31, 2022 | 8 | 104°F (Jul 26) | 101°F | 53°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
25th-warmest month on record
21st-warmest July of 87 on record
+1.0° vs. 67.6° average (1991–2020)Longest 90°F Streak in July
5 consecutive days with highs of at least 90°F (Jul 7–11, 2026, peaking at 95°F)
The longest July streak since 2025 (1 year). The July record is 25 days, set in 2018.
Average July Temperature by Year
1935–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2014 | 72.7°F |
| 2 | 2024 | 72.3°F |
| 3 | 2021 | 72.0°F |
| 4 | 2017 | 70.9°F |
| 5 | 2003 | 70.3°F |
| 6 | 2002 | 70.2°F |
| 7 | 2018 | 70.2°F |
| 8 | 2013 | 70.2°F |
| 9 | 2006 | 70.0°F |
| 10 | 1996 | 69.9°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2014 | 72.7°F |
| 2 | July 2024 | 72.3°F |
| 3 | July 2021 | 72.0°F |
| 4 | July 2017 | 70.9°F |
| 5 | August 2017 | 70.7°F |
| 6 | July 2003 | 70.3°F |
| 7 | July 2002 | 70.2°F |
| 8 | July 2018 | 70.2°F |
| 9 | July 2013 | 70.2°F |
| 10 | August 1967 | 70.1°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Alturas, CA | 68.7°F | 21st of 87 |
| Klamath Falls, OR | 66.9°F | 87th of 123 |
| Mount Shasta, CA | 69.5°F | 32nd of 76 |
| Redding, CA | 83.4°F | 52nd of 123 |
| Medford, OR | 76.5°F | 18th of 116 |