St. Joseph, MO has a humid continental climate with hot summers and cold winters. The average temperature in the summer months ranges from the low 70s to the mid 90s while in the winter months it averages between 20 and 40 degrees Fahrenheit. Precipitation is abundant year-round, with an average of around 40 inches per year overall. Summer storms can bring heavy rains and even severe weather at times, while winter brings snowfall averaging around 15 inches annually. Humidity levels stay relatively high throughout the year as well. Overall St. Joseph experiences four distinct seasons, making it a great place to experience all that nature has to offer!
St. Joseph, Missouri gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
St. Joseph averages 18 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 219 sunny days per year in St. Joseph. The US average is 205 sunny days.
St. Joseph gets some kind of precipitation, on average, 98 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 87 degrees
Winter Low: the January low is 18
Rain: averages 36 inches of rain a year
Snow: averages 18 inches of snow a year