Temperature
Cool by day, cold at night.
Cape Girardeau is usually most comfortable in March, April, September, and October. Typical daytime highs range from 44–89°F across the year. Rain varies by season.

Cool by day, cold at night.
Several rainy days. About 9 wet days this month.
Good sunshine this month.
In November, afternoons feel about 49° and nights feel near 35°.
Partly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 54°F, easing to about 49°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 44 | 29 | 3.7 | 9 | 6.4 | 70 |
| Feb | 49 | 33 | 3.5 | 9 | 7.1 | 68 |
| Mar | 59 | 41 | 4.7 | 11 | 8.2 | 65 |
| Apr | 70 | 50 | 5.2 | 11 | 9.3 | 64 |
| May | 78 | 60 | 4.8 | 12 | 10.7 | 69 |
| Jun | 86 | 69 | 3.5 | 10 | 12.2 | 69 |
| Jul | 89 | 72 | 3.3 | 11 | 12.5 | 71 |
| Aug | 88 | 70 | 2.9 | 9 | 11.6 | 71 |
| Sep | 82 | 62 | 3.2 | 8 | 10.1 | 70 |
| Oct | 71 | 51 | 3.8 | 8 | 8.5 | 69 |
| Nov | 57 | 41 | 4.1 | 9 | 6.8 | 69 |
| Dec | 47 | 33 | 3.8 | 9 | 6.0 | 73 |
Similar climates
Want a side-by-side climate view? Compare Cape Girardeau with New York City.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology