Dallas City, IL has a humid continental climate with hot and humid summers and cold winters. Average high temperatures in the summer range from 82°F to 87°F, while average lows dip to 63°F. Winters are quite cold, with average highs in the winter often staying below freezing. Average low winter temperatures can be as low as 13°F on some days. Precipitation is moderate throughout the year, with an annual average of about 34 inches. Snowfall is also common in Dallas City during the winter months.
Dallas City, Illinois gets 40 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Dallas City averages 21 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 198 sunny days per year in Dallas City. The US average is 205 sunny days.
Dallas City gets some kind of precipitation, on average, 108 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 86 degrees
Winter Low: the January low is 16
Rain: averages 40 inches of rain a year
Snow: averages 21 inches of snow a year