Seneca County, OH Climate

Seneca County, OH has a humid continental climate that is typical of the Midwest region of the United States. Summers are hot and humid, with average highs around 85°F (29°C) and occasionally reaching 95°F (35°C). Winters are cold and snowy, with average temperatures of around 28°F (-2°C) and temperatures below 0°F (-18°C). Precipitation is spread evenly throughout the year, but snowfall can be heavy during the winter months. Rainfall averages around 40 inches annually, most of which falls from April through September.

Seneca County, Ohio gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Seneca County averages 27 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 177 sunny days per year in Seneca County. The US average is 205 sunny days.

Seneca County gets some kind of precipitation, on average, 127 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 19
Rain: averages 37 inches of rain a year
Snow: averages 27 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Seneca County is 7.0 (10=best), which means it is about average compared to other places in Ohio.

9.1 Summer - 4.8 Winter

June, September and August are the most pleasant months in Seneca County, while January and February are the least comfortable months.

Climate	Seneca, Ohio	United States
	36.6 in.	38.1 in.
	26.9 in.	27.8 in.
	126.8 days	106.2 days
	177 days	205 days
	84.0°	85.8°
	18.5°	21.7°
	7	7
	3.4	4.3
	809 ft.	2443 ft.

Climate

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

July is the hottest month for Seneca County with an average high temperature of 84.0°, which ranks it as about average compared to other places in Ohio. In Seneca County, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seneca County are September, June and August.

In Seneca County, there are 12.9 days annually when the high temperature is over 90°, which is hotter than most places in Ohio.

January has the coldest nighttime temperatures for Seneca County with an average of 18.5°. This is colder than most places in Ohio.

In Seneca County, there are 121.5 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in Ohio.

In Seneca County, there are 4.8 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Ohio.

The humidity is usually comfortable in Seneca County but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.

June is the wettest month in Seneca County with 4.0 inches of rain, and the driest month is February with 2.0 inches. The wettest season is Autumn with 30% of yearly precipitation and 19% occurs in Spring, which is the driest season. The annual rainfall of 36.6 inches in Seneca County means that it is drier than most places in Ohio.

May is the rainiest month in Seneca County with 12.7 days of rain, and September is the driest month with only 8.6 rainy days. There are 126.8 rainy days annually in Seneca County, which is about average compared to other places in Ohio. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.

An annual snowfall of 26.9 inches in Seneca County means that it is snowier than most places in Ohio. January is the snowiest month in Seneca County with 8.3 inches of snow, and 6 months of the year have significant snowfall.

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