Helena Consecutive 80 Degree Days
This page shows the record for the most days in a row in
Helena, Montana where the
high temperature was
at least 80 °F, from 1893–2024.
Longest Streak: 54 Days
Between Jun 27 – Aug 19, 2007, the daily high temperature in Helena was always at least 80 °F – a span of 54 days.
| # Days |
When |
| 54 |
Jun 27 – Aug 19, 2007 |
| 51 |
Jun 22 – Aug 11, 2006 |
| 49 |
Jul 9 – Aug 26, 2003 |
| 48 |
Jun 21 – Aug 7, 2021 |
| 44 |
Jul 7 – Aug 19, 2000 |
| 40 |
Jul 12 – Aug 20, 2008 |
| 38 |
Jul 18 – Aug 24, 1967 |
| 36 |
Jun 28 – Aug 2, 2012 |
| 35 |
Aug 4 – Sep 7, 2013 |
| 35 |
Aug 1 – Sep 4, 2001 |
| 33 |
Jun 30 – Aug 1, 2017 |
| 32 |
Jul 5 – Aug 5, 2022 |
| 32 |
Jun 27 – Jul 28, 2013 |
| 32 |
Aug 2 – Sep 2, 1991 |
| 32 |
Jun 27 – Jul 28, 1985 |
| 31 |
Aug 2 – Sep 1, 1929 |
| 29 |
Aug 6 – Sep 3, 2017 |
| 29 |
Jul 9 – Aug 6, 2004 |
| 26 |
Jul 13 – Aug 7, 1994 |
| 26 |
Jul 25 – Aug 19, 1992 |