Highest May Temperatures in Boise
A list of the highest temperatures ever recorded in the month of
May in
Boise, Idaho from 1911–2024.
What's the hottest it has ever gotten in Boise in May?
The hottest May temperature in Boise, Idaho history was 101 °F which occurred on May 28, 1919.
| Rank |
Temperature |
Date |
| 1 |
101 °F |
May 28, 1919 |
| 2 |
99 °F |
May 28, 2003 |
| 2 |
99 °F |
May 26, 1936 |
| 2 |
99 °F |
May 25, 1928 |
| 5 |
98 °F |
May 30, 2020 |
| 5 |
98 °F |
May 30, 1986 |
| 5 |
98 °F |
May 26, 1966 |
| 5 |
98 °F |
May 31, 1931 |
| 9 |
97 °F |
May 24, 2003 |
| 9 |
97 °F |
May 24, 2001 |
| 9 |
97 °F |
May 31, 1986 |
| 9 |
97 °F |
May 26, 1913 |
| 13 |
96 °F |
May 30, 1972 |
| 13 |
96 °F |
May 25, 1961 |
| 15 |
95 °F |
May 29, 2020 |
| 15 |
95 °F |
May 13, 2013 |
| 15 |
95 °F |
May 18, 2009 |
| 15 |
95 °F |
May 29, 2003 |
| 15 |
95 °F |
May 23, 2001 |
| 15 |
95 °F |
May 29, 1986 |
| 15 |
95 °F |
May 28, 1986 |
| 15 |
95 °F |
May 26, 1986 |
| 15 |
95 °F |
May 6, 1947 |
| 15 |
95 °F |
May 31, 1914 |