San Luis Obispo Consecutive 100 Degree Days
This page shows the record for the most days in a row in
San Luis Obispo, California where the
high temperature was
at least 100 °F, from 1893–2024.
Longest Streak: 5 Days
Between Sep 24–28, 1978, the daily high temperature in San Luis Obispo was always at least 100 °F – a span of 5 days.
| # Days |
When |
| 5 |
Sep 24–28, 1978 |
| 4 |
Sep 30 – Oct 3, 2020 |
| 4 |
Sep 25–28, 2010 |
| 4 |
Jun 24–27, 1976 |
| 3 |
Oct 23–25, 2017 |
| 3 |
Sep 1–3, 2017 |
| 3 |
Sep 25–27, 2016 |
| 3 |
Aug 27–29, 2009 |
| 3 |
Sep 5–7, 2004 |
| 3 |
Oct 6–8, 1996 |
| 3 |
Oct 4–6, 1987 |
| 3 |
Sep 8–10, 1984 |
| 3 |
Oct 1–3, 1980 |
| 3 |
Oct 14–16, 1961 |
| 3 |
Sep 1–3, 1955 |
| 3 |
Sep 13–15, 1948 |
| 3 |
Sep 20–22, 1939 |
| 2 |
Oct 5–6, 2023 |
| 2 |
Sep 3–4, 2022 |
| 2 |
Sep 6–7, 2020 |