| Month | Average (°F) | Record (°F) | Average (inches) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 39.3 | 21.5 | 77 | -23 | 3.0 |
| February | 43.5 | 23.4 | 80 | -20 | 2.5 |
| March | 53.7 | 31.8 | 86 | -8 | 3.7 |
| April | 66.3 | 41.8 | 92 | 13 | 4.7 |
| May | 75.4 | 52.0 | 99 | 27 | 4.7 |
| June | 83.3 | 60.7 | 106 | 37 | 4.2 |
| July | 86.9 | 64.6 | 111 | 45 | 3.8 |
| August | 86.2 | 62.5 | 107 | 39 | 3.1 |
| September | 79.8 | 54.2 | 103 | 27 | 3.1 |
| October | 67.8 | 42.3 | 96 | 18 | 3.2 |
| November | 54.5 | 32.2 | 83 | 0 | 3.0 |
| December | 43.5 | 26.0 | 75 | -19 | 3.4 |
| Entire year | 65.1 | 42.8 | 111 | -23 | 42.2 |
|
More Hamilton Weather Records
1913–2024
|
||
|---|---|---|
| Highest daily low | 80 °F | June 6, 1986 |
| Lowest daily high | -6 °F | January 19, 1994 |
| Greatest daily range (Difference of high and low) |
59 °F | January 19, 1996 |
| Greatest difference in daily high over two conscutive days |
56 °F | Jan 19–20, 1996 |
| Most daily precipitation | 5.1 inches | September 14, 1979 |
| Most monthly precipitation | 14.0 inches | January 1937 |
| Most yearly precipitation | 61.9 inches | 1990 |
| Most yearly days with precipitation | 184 | 2003 |
| Earliest freeze | September 23 | 1913 |
| Earliest day ≥ 80 °F | February 24 | 2017 |
| Earliest day ≥ 90 °F | April 11 | 1930 |
| Earliest day ≥ 100 °F | June 1 | 1934 |
| Latest freeze | May 19 | 2002 |
| Latest day ≥ 80 °F | November 18 | 2016 |
| Latest day ≥ 90 °F | October 24 | 1920 |
| Latest day ≥ 100 °F | September 14 | 1939 |
| Most days in a year < 0 °F | 18 | 1917 |
| Most days in a year < 32 °F | 134 | 1917 |
| Most days in a year ≥ 80 °F | 145 | 2007 |
| Most days in a year ≥ 90 °F | 82 | 1936 |
| Most days in a year ≥ 100 °F | 17 | 1936 |
| Most days in a year ≥ 110 °F | 4 | 1934 |
|
Hamilton Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 10 days | Feb 4–13, 2020 |
| Without precipitation | 48 days | Sep 13 – Oct 30, 1963 |
| High temperature at or below freezing |
21 days | Jan 16 – Feb 5, 1966 |
| High temperature ≥ 80 °F | 89 days | Jun 5 – Sep 1, 1936 |
| High temperature ≥ 90 °F | 23 days | Jul 9–31, 1983 |
| High temperature ≥ 100 °F | 9 days | Jul 7–15, 1936 |