Helena Consecutive 100 Degree Days
This page shows the record for the most days in a row in
Helena, Montana where the
high temperature was
at least 100 °F, from 1893–2024.
Longest Streak: 4 Days
Between Jul 29 – Aug 1, 2022, the daily high temperature in Helena was always at least 100 °F – a span of 4 days.
| # Days |
When |
| 4 |
Jul 29 – Aug 1, 2022 |
| 4 |
Jul 17–20, 2003 |
| 3 |
Jun 27–29, 2015 |
| 3 |
Jul 14–16, 2007 |
| 3 |
Jul 11–13, 2002 |
| 3 |
Aug 3–5, 1961 |
| 3 |
Jul 21–23, 1931 |
| 3 |
Jul 18–20, 1893 |
| 2 |
Jun 30 – Jul 1, 2021 |
| 2 |
Jul 22–23, 2007 |
| 2 |
Jul 28–29, 2006 |
| 2 |
Jul 22–23, 2006 |
| 2 |
Jul 22–23, 2003 |
| 2 |
Aug 6–7, 1990 |
| 2 |
Jul 9–10, 1985 |