Allendale, IL has a climate that is classified as a humid continental type of climate. It features hot and humid summers with high temperatures in the mid-80s and low temperatures in the upper 60s. Winters are cold with highs in the lower 30s and lows near 20 degrees Fahrenheit. The area receives plenty of precipitation throughout the year with average snowfall of around 30 inches annually. The spring season is mild and pleasant while autumn can be quite beautiful due to the changing colors of leaves on the trees. Overall, Allendale, IL enjoys a moderate climate and four distinct seasons throughout the year.
Allendale, Illinois gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Allendale averages 11 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 Allendale. The US average is 205 sunny days.
Allendale gets some kind of precipitation, on average, 111 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 23
Rain: averages 47 inches of rain a year
Snow: averages 11 inches of snow a year