Ottawa, Ohio gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Ottawa averages 22 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 178 sunny days per year in Ottawa. The US average is 205 sunny days.
Ottawa gets some kind of precipitation, on average, 128 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.
Summer High: the July high is around 84 degrees
Winter Low: the January low is 19
Rain: averages 36 inches of rain a year
Snow: averages 22 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Ottawa is 7.0 (10=best), which means it is about average compared to other places in Ohio.
7 / 10
June, September and August are the most pleasant months in Ottawa, while January and December are the least comfortable months.