Hannibal, OH enjoys a humid continental climate with warm summers and cold winters. There is considerable rainfall throughout the year, especially in spring and summer months. Winters in Hannibal can be quite cold, with average temperatures dipping below freezing for several days in January and February. During the summer months, temperatures are typically hot and humid, with highs often reaching into the eighties. Snowfall is quite common during winter months, although it usually does not accumulate for very long periods of time.
Hannibal, Ohio gets 44 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Hannibal averages 25 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 164 sunny days per year in Hannibal. The US average is 205 sunny days.
Hannibal gets some kind of precipitation, on average, 138 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 84 degrees
Winter Low: the January low is 20
Rain: averages 44 inches of rain a year
Snow: averages 25 inches of snow a year