Thornburg, IA has a typical Midwestern climate with hot summers and cold winters. During the summer months, temperatures often reach into the high 80s and low 90s with high humidity, while winter temperatures drop below freezing and can be quite cold with several snowfalls throughout the season. The spring and fall months are usually mild, but sometimes bring strong storms with heavy rains. Overall, Thornburg enjoys four distinct seasons throughout the year.
Thornburg, Iowa gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Thornburg averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 190 sunny days per year in Thornburg. The US average is 205 sunny days.
Thornburg gets some kind of precipitation, on average, 103 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 84 degrees
Winter Low: the January low is 11
Rain: averages 37 inches of rain a year
Snow: averages 28 inches of snow a year