Historical weather data, all-time temperature records, and monthly climate averages for Troy, MO. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Troy lands right in the swing of spring — expect a high near 63° and a low around 40°, with about a 1-in-3 chance of rain. The date has seen wild swings over 118 years of records, from a scorching 90° in 1954 down to a brutal 13° back in 1920.
Troy's weather has serious range — the thermometer has touched both 114° (July 1954) and -22° (February 1899), a jaw-dropping 136-degree spread. Single-day extremes round out the picture: 5.9 inches of rain fell on one October day in 1905, and a March 1912 storm buried the area under 15 inches of snow.
Troy runs warm from June through September, peaking in mid-July when average highs hit 90° — that's your summer sweet spot if you love the heat. January is the coldest stretch with highs averaging just 40°. If you're trying to dodge rain, avoid mid-May, which is the wettest week of the year at over an inch of precip on average.