Alton, MO (65606) enjoys a moderate climate year-round with mild winters and hot summers. The average high temperature in the summer months of June, July, and August is around 86°F and the average low temperatures during those months are around 65°F. During the winter, the temperatures rarely dip below freezing and the average high is around 48°F while the lows hover around 30°F. The area receives approximately 37 inches of rain throughout the year with most of it falling during May through October.
Alton (zip 65606), Missouri gets 46 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Alton (zip 65606) averages 6 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 214 sunny days per year in Alton (zip 65606). The US average is 205 sunny days.
Alton (zip 65606) gets some kind of precipitation, on average, 92 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 90 degrees
Winter Low: the January low is 22
Rain: averages 46 inches of rain a year
Snow: averages 6 inches of snow a year