Houston, Illinois gets 39 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Houston averages 18 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 Houston. The US average is 205 sunny days.
Houston gets some kind of precipitation, on average, 95 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.
Summer High: the July high is around 87 degrees
Winter Low: the January low is 17
Rain: averages 39 inches of rain a year
Snow: averages 18 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Houston is 7.1 (10=best), which means it is more comfortable than most places in Illinois.
8.3 / 5.3
Summer / Winter
September, June and May are the most pleasant months in Houston, while January and December are the least comfortable months.