Onondaga County, NY Climate

Onondaga, NY County has a humid continental climate, characterized by four distinct seasons. In the summer months temperatures average around 70 degrees Fahrenheit and humidity is often high. Winters in Onondaga County can be quite cold with temperatures averaging near 30 degrees Fahrenheit. Snowfall is common throughout the winter months with heavy lake effect snowstorms coming off of Lake Ontario. Spring and fall are generally mild seasons with temperatures ranging from 40 to 65 degrees Fahrenheit. Overall, Onondaga County experiences far more variation in temperature than many of its neighboring counties due to its proximity to Lake Ontario.

Onondaga County, New York gets 42 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Onondaga County averages 102 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 161 sunny days per year in Onondaga County. The US average is 205 sunny days.

Onondaga County gets some kind of precipitation, on average, 168 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 15
Rain: averages 42 inches of rain a year
Snow: averages 102 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Onondaga County is 6.3 (10=best), which means it is less comfortable than most places in New York.

9.2 Summer - 3.4 Winter

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

Climate	Onondaga, New York	United States
	41.7 in.	38.1 in.
	102.1 in.	27.8 in.
	167.8 days	106.2 days
	161 days	205 days
	80.7°	85.8°
	14.5°	21.7°
	6.3	7
	3.2	4.3
	799 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 Onondaga County with an average high temperature of 80.7°, which ranks it as cooler than most places in New York. In Onondaga County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Onondaga County are August, June and July.

In Onondaga County, there are 4.8 days annually when the high temperature is over 90°, which is cooler than most places in New York.

January has the coldest nighttime temperatures for Onondaga County with an average of 14.5°. This is colder than most places in New York.

In Onondaga County, there are 138.0 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New York.

In Onondaga County, there are 6.4 days annually when the nighttime low temperature falls below zero°, which is colder than most places in New York.

Humidity in Onondaga 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 Onondaga County with 4.0 inches of rain, and the driest month is February with 2.6 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 41.7 inches in Onondaga County means that it is drier than most places in New York.

January is the rainiest month in Onondaga County with 17.6 days of rain, and August is the driest month with only 11.2 rainy days. There are 167.8 rainy days annually in Onondaga County, which is one of the rainiest places in New York. The rainiest season is Spring when it rains 29% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 102.1 inches in Onondaga County means that it is snowier than most places in New York. January is the snowiest month in Onondaga County with 27.9 inches of snow, and 6 months of the year have significant snowfall.

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