Castle Rock Consecutive 90 Degree Days
This page shows the record for the most days in a row in
Castle Rock, Colorado where the
high temperature was
at least 90 °F, from 1893–2024.
Longest Streak: 21 Days
Between Aug 4–28, 2020, the daily high temperature in Castle Rock was always at least 90 °F – a span of 21 days.
| # Days |
When |
| * 21 |
Aug 4–28, 2020 |
| 15 |
Jul 13–27, 1910 |
| * 14 |
Jun 23 – Jul 7, 2012 |
| 13 |
Jun 10–22, 2022 |
| 12 |
Jul 13–24, 2022 |
| 12 |
Jul 3–14, 2020 |
| 12 |
Jul 4–15, 1897 |
| 11 |
Jun 26 – Jul 6, 1963 |
| 11 |
Jul 4–14, 1898 |
| 10 |
Jul 8–17, 2005 |
| 10 |
Jul 6–15, 1976 |
| 9 |
Aug 9–17, 2021 |
| 9 |
Jul 12–20, 2019 |
| 9 |
Jul 28 – Aug 5, 2008 |
| 9 |
Jul 12–20, 2003 |
| * 9 |
Jun 30 – Jul 9, 2001 |
| 9 |
Jun 22–30, 1971 |
| 9 |
Jul 27 – Aug 4, 1902 |
| 9 |
Jul 16–24, 1898 |
| 9 |
Jul 22–30, 1894 |
Note: streaks marked with a (*) contain days with missing data