Ontario County, NY Climate

Ontario, NY County has a humid continental climate, with hot and humid summers and cold winters. The average summer temperature is around 77 degrees Fahrenheit (25°C), while winter temperatures usually hover between 18-20 degrees Fahrenheit (-7 to -6°C). The county sees an average of 38 inches of rain annually, as well as an average of 97 inches of snowfall each year. Extreme weather events such as tornadoes and floods can occur here but are not common. Generally, the area experiences four distinct seasons that vary in temperature and precipitation levels throughout the year.

Ontario County, New York gets 34 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Ontario County averages 63 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 165 sunny days per year in Ontario County. The US average is 205 sunny days.

Ontario County gets some kind of precipitation, on average, 144 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 81 degrees
Winter Low: the January low is 17
Rain: averages 34 inches of rain a year
Snow: averages 63 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Ontario County is 6.6 (10=best), which means it is about average compared to other places in New York.

9.2 Summer - 4.2 Winter

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

Climate	Ontario, New York	United States
	34.1 in.	38.1 in.
	62.6 in.	27.8 in.
	143.7 days	106.2 days
	165 days	205 days
	80.7°	85.8°
	16.6°	21.7°
	6.6	7
	3.3	4.3
	932 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 Ontario County with an average high temperature of 80.7°, which ranks it as cooler than most places in New York. In Ontario County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Ontario County are August, June and July.

In Ontario County, there are 5.3 days annually when the high temperature is over 90°, which is about average compared to other places in New York.

January has the coldest nighttime temperatures for Ontario County with an average of 16.6°. This is about average compared to other places in New York.

In Ontario County, there are 132.6 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in New York.

In Ontario County, there are 5.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New York.

Humidity in Ontario County is generally low and comfortable. But there some days when the humidity becomes unpleasant, especially in July and August. The most humid months (but still comfortable) are July, August and June.

September is the wettest month in Ontario County with 3.5 inches of rain, and the driest month is February with 1.6 inches. The wettest season is Autumn with 30% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 34.1 inches in Ontario County means that it is one of the driest places in New York.

January is the rainiest month in Ontario County with 14.4 days of rain, and August is the driest month with only 10.8 rainy days. There are 143.7 rainy days annually in Ontario County, which is rainier than most places in New York. The rainiest season is Spring when it rains 27% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 62.6 inches in Ontario County means that it is snowier than most places in New York. January is the snowiest month in Ontario County with 17.5 inches of snow, and 6 months of the year have significant snowfall.

Reviews for Ontario

See all ()

Write a Review

Start Your Review of Ontario

Jobs