Eureka, MO has a humid continental climate with warm summers and cold winters. The average temperature in the summer is around 75°F, with temperatures ranging from the mid 50s to the mid 80s on different days. In the winter, temperatures can drop to near 0°F, but generally range between 20-40°F on any given day. Precipitation is common throughout the year, with an annual average of around 39 inches of rain. Snowfall is also common during the winter months, usually averaging around 19 inches per year.
Eureka (zip 63025), Missouri gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Eureka (zip 63025) averages 12 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 202 sunny days per year in Eureka (zip 63025). The US average is 205 sunny days.
Eureka (zip 63025) gets some kind of precipitation, on average, 105 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 44 inches of rain a year
Snow: averages 12 inches of snow a year