Weldon Spring, MO has a humid continental climate with hot, humid summers and cold winters. The average temperatures in winter range from the mid-20s to low 30s Fahrenheit, while in summer they reach up to the mid-80s. Precipitation is abundant throughout the year, with about 45 inches of rain and 24 inches of snow annually. Winters are usually dry, though occasional snowstorms occur. Spring and fall are pleasant but variable months with warm spells interrupted by cold snaps.
Weldon Spring, Missouri gets 43 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Weldon Spring averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 199 sunny days per year in Weldon Spring. The US average is 205 sunny days.
Weldon Spring gets some kind of precipitation, on average, 110 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 88 degrees
Winter Low: the January low is 21
Rain: averages 43 inches of rain a year
Snow: averages 13 inches of snow a year