| Month | Average (°F) | Record (°F) | Average (inches) | ||
|---|---|---|---|---|---|
| High ☀️ | Low 🌙 | High ☀️ | Low 🌙 | Precipitation 💧 | |
| January | 43.0 | 25.8 | 73 | -18 | 3.5 |
| February | 48.2 | 29.3 | 79 | -14 | 3.3 |
| March | 58.1 | 37.1 | 84 | -8 | 4.6 |
| April | 69.2 | 46.8 | 91 | 18 | 5.2 |
| May | 78.2 | 57.3 | 97 | 30 | 5.2 |
| June | 86.6 | 65.4 | 107 | 43 | 3.8 |
| July | 89.2 | 68.9 | 107 | 49 | 3.6 |
| August | 88.3 | 66.0 | 105 | 45 | 3.1 |
| September | 81.8 | 57.3 | 102 | 33 | 3.6 |
| October | 70.9 | 45.9 | 94 | 22 | 3.6 |
| November | 56.8 | 36.3 | 84 | -2 | 4.3 |
| December | 46.3 | 29.4 | 76 | -11 | 3.7 |
| Entire year | 68.2 | 47.2 | 107 | -18 | 47.6 |
|
More Cape Girardeau Weather Records
1945–2024
|
||
|---|---|---|
| Highest daily low | 82 °F | July 20, 1955 |
| Lowest daily high | 2 °F | January 20, 1985 |
| Greatest daily range (Difference of high and low) |
55 °F | January 18, 1996 |
| Greatest difference in daily high over two conscutive days |
46 °F | Dec 17–18, 2016 |
| Most daily precipitation | 11.5 inches | March 18, 2008 |
| Most monthly precipitation | 20.5 inches | April 2011 |
| Most yearly precipitation | 74.4 inches | 2011 |
| Most yearly days with precipitation | 151 | 2008 |
| Earliest freeze | October 5 | 2020 |
| Earliest day ≥ 90 °F | April 20 | 1987 |
| Earliest day ≥ 100 °F | June 9 | 1953 |
| Latest freeze | May 17 | 1968 |
| Latest day ≥ 90 °F | October 19 | 2005 |
| Latest day ≥ 100 °F | September 21 | 2022 |
| Most days in a year < 0 °F | 11 | 1977 |
| Most days in a year < 32 °F | 120 | 1960 |
| Most days in a year ≥ 80 °F | 167 | 2007 |
| Most days in a year ≥ 90 °F | 88 | 1953 |
| Most days in a year ≥ 100 °F | 18 | 1954 |
|
Cape Girardeau Weather Streaks
Most consecutive days...
|
||
|---|---|---|
| With precipitation | 9 days | Aug 26 – Sep 3, 2020 |
| Without precipitation | 44 days | Sep 13 – Oct 26, 1963 |
| High temperature at or below freezing |
18 days | Dec 17, 2000 – Jan 3, 2001 |
| High temperature ≥ 80 °F | 114 days | May 20 – Sep 10, 2007 |
| High temperature ≥ 90 °F | 30 days | Jul 26 – Aug 24, 2007 |
| High temperature ≥ 100 °F | 6 days | Jul 19–24, 1983 |