Castalia, OH has a climate that is typical of much of the Midwest. It has a humid continental climate, with warm summers and cold winters. The summer months are generally hot and humid, with temperatures often reaching into the mid-80s F (about 30 C). Winters can be harsh, with snowfall occurring throughout the season and temperatures often dropping below freezing. Precipitation is fairly common throughout the year, rain being more frequent in the warmer months and snow more frequent in winter months.
Castalia, Ohio gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Castalia averages 24 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 170 sunny days per year in Castalia. The US average is 205 sunny days.
Castalia gets some kind of precipitation, on average, 129 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 83 degrees
Winter Low: the January low is 19
Rain: averages 36 inches of rain a year
Snow: averages 24 inches of snow a year