Historical weather data, all-time temperature records, and monthly climate averages for Saint Joseph, MO. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Saint Joseph lands right in the middle of spring's wide mood swings — the average high is a pleasant 63°, but this date has seen everything from a bitter 22° in 1968 to a shirt-sleeve 89° back in 2000. There's about a 1-in-4 chance of rain, so keep an umbrella handy, but snow is essentially off the table.
Saint Joseph plays for keeps when it comes to weather extremes — the city has baked at 107° in July 1954 and shivered at -25° in January 1974, a 132-degree spread between its all-time records. A single September day in 2016 dumped 4.74 inches of rain, and an early March storm in 1978 buried the city under 8.5 inches of snow.
Saint Joseph runs hot in summer and cold in winter, with average highs peaking at 89° in mid-July and bottoming out at 36° in early January. Spring and fall are the shoulder seasons worth watching — temperatures climb fast from 54° in March to 76° by May. If you're hoping to dodge the rain, avoid mid-to-late June, which is the wettest stretch of the year.