The climate in Colfax, IA is a humid continental type, with hot summers and cold winters. The hottest month of the year is July, with temperatures averaging around 82掳F (27掳C). On the other hand, January is the coldest month of the year when temperatures can reach 0掳F (-17掳C). Rainfall is fairly consistent throughout the year with an average of 33 inches (84 cm) per year. Snowfall peaks during January and February when an average of 9 inches (22 cm) falls each month.
Colfax, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Colfax averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 201 sunny days per year in Colfax. The US average is 205 sunny days.
Colfax 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 85 degrees
Winter Low: the January low is 11
Rain: averages 36 inches of rain a year
Snow: averages 28 inches of snow a year