West Alton, MO has warm summers and cold winters. The average high temperature during the summer months is around 86°F (30 °C) with an average low of 68°F (20 °C). During the winter months, the average high is around 37°F (3°C) with an average low of 22°F (-5.5 °C). The area receives an average of 42 inches of rain each year, making it a fairly humid climate. Snowfall is limited in West Alton, usually receiving only around 10 inches per year.
West Alton, Missouri gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
West Alton averages 14 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 West Alton. The US average is 205 sunny days.
West Alton gets some kind of precipitation, on average, 99 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 89 degrees
Winter Low: the January low is 23
Rain: averages 41 inches of rain a year
Snow: averages 14 inches of snow a year