| Month | Average (°F) | Record (°F) | Average (inches) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 30.3 | 9.6 | 72 | -46 | 0.3 |
| February | 34.9 | 13.3 | 73 | -49 | 0.3 |
| March | 47.1 | 23.4 | 88 | -31 | 0.5 |
| April | 58.4 | 33.7 | 92 | -7 | 1.5 |
| May | 68.4 | 43.7 | 101 | 15 | 2.7 |
| June | 78.9 | 53.3 | 111 | 32 | 2.5 |
| July | 89.0 | 60.5 | 111 | 40 | 1.5 |
| August | 87.8 | 58.4 | 110 | 34 | 0.9 |
| September | 75.9 | 47.7 | 106 | 17 | 1.1 |
| October | 59.4 | 34.6 | 95 | -8 | 1.0 |
| November | 44.4 | 21.8 | 81 | -26 | 0.3 |
| December | 33.3 | 12.4 | 70 | -43 | 0.2 |
| Entire year | 59.1 | 34.5 | 111 | -49 | 12.9 |
|
More Miles City Weather Records
1893–2024
|
||
|---|---|---|
| Highest daily low | 82 °F | July 27, 1917 |
| Lowest daily high | -25 °F | December 24, 1983 |
| Greatest daily range (Difference of high and low) |
75 °F | January 12, 1912 |
| Greatest difference in daily high over two conscutive days |
54 °F | Jan 31 – Feb 1, 1989 |
| Most daily precipitation | 3.5 inches | May 20, 1908 |
| Most monthly precipitation | 9.8 inches | June 1944 |
| Most yearly precipitation | 20.5 inches | 1915 |
| Most yearly days with precipitation | 130 | 1968 |
| Earliest freeze | September 4 | 1962 |
| Earliest day ≥ 80 °F | March 20 | 1910 |
| Earliest day ≥ 90 °F | April 20 | 1980 |
| Earliest day ≥ 100 °F | May 17 | 1901 |
| Latest freeze | May 29 | 1947 |
| Latest day ≥ 80 °F | November 12 | 1999 |
| Latest day ≥ 90 °F | October 16 | 1991 |
| Latest day ≥ 100 °F | September 16 | 2000 |
| Most days in a year < 0 °F | 61 | 1949 |
| Most days in a year < 32 °F | 189 | 1951 |
| Most days in a year ≥ 80 °F | 112 | 1936 |
| Most days in a year ≥ 90 °F | 68 | 1936 |
| Most days in a year ≥ 100 °F | 21 | 1988 |
| Most days in a year ≥ 110 °F | 2 | 2007 |
|
Miles City Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 13 days | Jun 19 – Jul 1, 1991 |
| Without precipitation | 69 days | Sep 11 – Nov 18, 1904 |
| High temperature at or below freezing |
66 days | Dec 17, 1977 – Feb 20, 1978 |
| High temperature ≥ 80 °F | 61 days | Jun 28 – Aug 27, 2000 |
| High temperature ≥ 90 °F | 19 days | Jul 14 – Aug 1, 1936 |
| High temperature ≥ 100 °F | 7 days | Aug 10–16, 2003 |