Cape Girardeau Climate by Month
Cape Girardeau, Missouri, United States
Hot summers and cold winters, with rain spread through the year.
Cape Girardeau has hot summers and cold winters, with rain spread through the year. Expect highs of 90°F (32°C) in July and 43°F (6°C) in January, with the coldest nights (January) near 25°F (-4°C). About 48 in (1218 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 90°F(32°C)
- Average high, July
- Coldest nights
- 25°F(-4°C)
- Average low, January
- Rain per year
- 48 in(1218 mm)
- No clear rainy season
- Humidity
- 71%
- Sunniest: June
Best and worst months in Cape Girardeau
Best for weatherThe most comfortable weather comes in October, with highs around 72°F (22°C) and about 3.5 in (89 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; January is the coldest, with highs of only 43°F (6°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in October.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Cape Girardeau weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 43°F(6°C) | 25°F(-4°C) | 3.5 in(88 mm) | 76% | 1.9 |
| FebFebruary | 48°F(9°C) | 28°F(-2°C) | 3.5 in(88 mm) | 77% | 2.7 |
| MarMarch | 58°F(14°C) | 37°F(3°C) | 4.8 in(122 mm) | 72% | 3.8 |
| AprApril | 69°F(21°C) | 47°F(8°C) | 5.0 in(127 mm) | 67% | 4.8 |
| MayMay | 78°F(26°C) | 57°F(14°C) | 5.2 in(133 mm) | 69% | 5.6 |
| JunJune | 87°F(30°C) | 65°F(19°C) | 3.4 in(86 mm) | 69% | 6.2 |
| JulJuly | 90°F(32°C) | 69°F(21°C) | 3.7 in(93 mm) | 69% | 6.2 |
| AugAugust | 89°F(32°C) | 67°F(20°C) | 3.2 in(82 mm) | 70% | 5.8 |
| SepSeptember | 83°F(29°C) | 60°F(15°C) | 3.8 in(97 mm) | 65% | 4.8 |
| OctOctoberBest | 72°F(22°C) | 47°F(9°C) | 3.5 in(89 mm) | 63% | 3.4 |
| NovNovember | 58°F(15°C) | 37°F(3°C) | 4.1 in(105 mm) | 71% | 2.2 |
| DecDecember | 47°F(8°C) | 29°F(-2°C) | 4.3 in(108 mm) | 78% | 1.7 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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