Historical weather data, all-time temperature records, and monthly climate averages for Cape Girardeau, MO. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Cape Girardeau is classic mid-spring: expect a high near 63° and a low around 41°, with a 30% shot at rain. The date has swung wildly in the past — a balmy 85° back in 1967, and a bitter 27° low just one year earlier in 1966.
Cape Girardeau earns its place in the humid continental belt with some serious extremes — a scorching 107° in June 2012 and a bone-chilling -18° in January 1977 bookend the thermometer. A single March day in 2008 dropped 11.49 inches of rain, and a February 1979 storm buried the city under 24 inches of snow.
Summers here are legitimately hot, with highs averaging 90° during the peak week of mid-July, while January bottoms out around 41°. Late April is the wettest stretch of the year, so spring travelers should pack accordingly. If you want warmth without the swelter, May (avg high 78°) and September (82°) are your sweet spots.