Arthur, IL has a humid continental climate, which features hot summers and cold winters. In the summer months, temperatures can reach up to 90 degrees Fahrenheit and beyond, while winter temperatures can drop to below zero. Precipitation is plentiful throughout the year with an average of over 40 inches annually. Snowfall usually occurs between late November and mid-March, with an average of around 25 inches annually. Humidity levels tend to be high in the summer months, making it feel even hotter than what the thermometer reads. Winters can be quite harsh due to the combination of high winds and below freezing temperatures.
Arthur, Illinois gets 41 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Arthur averages 13 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 196 sunny days per year in Arthur. The US average is 205 sunny days.
Arthur gets some kind of precipitation, on average, 100 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 19
Rain: averages 41 inches of rain a year
Snow: averages 13 inches of snow a year