Grand Junction, CO
Colorado · Records since 1893–2026
Records for August 11
🔥 Record High
August 11, 1972
+10° from 92° normal❄ Record Low
August 11, 1974
-11° from 63° normalAll-Time Records — Grand Junction
Top 10 Record Highs — August 11
| # | Temp | Date |
|---|---|---|
| 🏆 | 102°F | August 11, 1972 |
| 2 | 100°F | August 11, 2022 |
| 3 | 100°F | August 11, 2003 |
| 4 | 99°F | August 11, 1973 |
| 5 | 99°F | August 11, 1970 |
| 6 | 99°F | August 11, 1969 |
| 7 | 99°F | August 11, 1965 |
| 8 | 98°F | August 11, 2004 |
| 9 | 98°F | August 11, 2002 |
| 10 | 98°F | August 11, 1966 |
Top 5 Record Lows — August 11
| # | Temp | Date |
|---|---|---|
| 🥶 | 52°F | August 11, 1974 |
| 2 | 54°F | August 11, 2013 |
| 3 | 56°F | August 11, 2025 |
| 4 | 56°F | August 11, 2021 |
| 5 | 56°F | August 11, 2009 |
Heat Wave Summary — Grand Junction
threshold: 98°F (90th percentile of historical Jun–Aug highs)2026 Daily High Temperature vs Normal
Year to date167 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 — Grand Junction
| # | Dates | Days | Peak | Avg High | Avg Overnight Low |
|---|---|---|---|---|---|
| 🏆 | Jul 10, 2003 – Jul 28, 2003 | 19 | 105°F (Jul 12) | 101°F | 70°F |
| 2 | Jul 24, 2026 – Aug 9, 2026 | 17 | 105°F (Aug 3) | 101°F | 70°F |
| 3 | Jul 16, 2023 – Jul 30, 2023 | 15 | 107°F (Jul 17) | 101°F | 70°F |
| 4 | Jun 17, 1974 – Jul 1, 1974 | 15 | 102°F (Jun 25) | 100°F | 63°F |
| 5 | Jul 5, 2002 – Jul 17, 2002 | 13 | 105°F (Jul 13) | 102°F | 68°F |
| 6 | Jul 9, 2024 – Jul 21, 2024 | 13 | 104°F (Jul 12) | 100°F | 71°F |
| 7 | Jul 27, 2024 – Aug 8, 2024 | 13 | 103°F (Aug 1) | 100°F | 68°F |
| 8 | Jul 2, 2021 – Jul 13, 2021 | 12 | 107°F (Jul 9) | 100°F | 68°F |
| 9 | Jul 17, 1931 – Jul 28, 1931 | 12 | 104°F (Jul 23) | 101°F | 70°F |
| 10 | Jun 22, 2012 – Jul 3, 2012 | 12 | 102°F (Jun 23) | 100°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
1st-warmest month on record
1st-warmest July of 134 on record
+4.9° vs. 79.2° average (1991–2020)Longest 90°F Streak in July
31 consecutive days with highs of at least 90°F (Jul 1–31, 2026, peaking at 104°F)
Ties the longest July streak since 2024 (2 years).
Average July Temperature by Year
1893–2026 · 2026 highlighted
Warmest Julys on Record
| # | Year | Avg Temp |
|---|---|---|
| 1 | 2003 | 84.1°F |
| 2 | 2026 | 84.1°F |
| 3 | 2023 | 83.3°F |
| 4 | 2024 | 83.0°F |
| 5 | 1934 | 82.5°F |
| 6 | 2018 | 82.5°F |
| 7 | 2021 | 82.0°F |
| 8 | 1901 | 82.0°F |
| 9 | 2002 | 81.8°F |
| 10 | 2007 | 81.7°F |
Warmest Months on Record (Any Month)
| # | Month | Avg Temp |
|---|---|---|
| 1 | July 2003 | 84.1°F |
| 2 | July 2026 | 84.1°F |
| 3 | July 2023 | 83.3°F |
| 4 | July 2024 | 83.0°F |
| 5 | July 1934 | 82.5°F |
| 6 | July 2018 | 82.5°F |
| 7 | July 2021 | 82.0°F |
| 8 | July 1901 | 82.0°F |
| 9 | July 2002 | 81.8°F |
| 10 | July 2007 | 81.7°F |
Nearby Stations — July 2026
How the same month ranked at the closest reporting stations
| Station | Avg Temp | July Rank |
|---|---|---|
| Grand Junction, CO | 84.1°F | 1st of 134 |
| Alamosa, CO | 68.0°F | 4th of 95 |
| Denver, CO | 78.7°F | 2nd of 155 |
| Colorado Springs, CO | 74.5°F | 8th of 131 |
| Salt Lake City, UT | 85.5°F | 3rd of 153 |