Irondale, MO enjoys a mild climate with all four seasons. Summers are hot and humid with temperatures reaching the high 80s and low 90s. Winters are cold but not frigid with temperatures usually hovering around the mid-30s. Spring is generally mild and beautiful, while autumn brings cool days and colorful foliage. Precipitation is moderate throughout the year, averaging around 41 inches per year.
Irondale, Missouri gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Irondale averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Irondale. The US average is 205 sunny days.
Irondale gets some kind of precipitation, on average, 104 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 21
Rain: averages 45 inches of rain a year
Snow: averages 12 inches of snow a year