Rock Island, OK is situated in an area that experiences a temperate climate with mild winters and warm summers. Average temperatures range from 27°F to 95°F throughout the year. The area receives an average of 35 inches of precipitation annually, with July being the wettest month and January as the driest. Most days are sunny and bright, however thunderstorms may occur during the summer months due to the humidity. Overall, it is a pleasant climate with four distinct seasons that offer something for everyone.
Rock Island, Oklahoma gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Rock Island averages 4 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 220 sunny days per year in Rock Island. The US average is 205 sunny days.
Rock Island gets some kind of precipitation, on average, 90 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 93 degrees
Winter Low: the January low is 27
Rain: averages 48 inches of rain a year
Snow: averages 4 inches of snow a year