Oswego County, NY Climate

Oswego, NY County has a humid continental climate characterized by warm and humid summers and cold, snowy winters. The temperatures in the summer can often reach into the high 80s with nights dropping into the mid 50s. Winters tend to be cold with temperatures reaching below zero at times. Snowfall is plentiful in Oswego, with an average of 95 inches of snow per year. Precipitation is spread out throughout the year and averages around 40 inches per year. The county also experiences some lake-effect snow from nearby Lake Ontario during the winter months.

Oswego County, New York gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Oswego County averages 126 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 Oswego County. The US average is 205 sunny days.

Oswego 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 80 degrees
Winter Low: the January low is 13
Rain: averages 45 inches of rain a year
Snow: averages 126 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Oswego County is 6.1 (10=best), which means it is one of the least comfortable places in New York.

9.2 Summer - 3.2 Winter

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

Climate	Oswego, New York	United States
	44.6 in.	38.1 in.
	126.1 in.	27.8 in.
	168.2 days	106.2 days
	161 days	205 days
	79.9°	85.8°
	12.8°	21.7°
	6.1	7
	3.2	4.3
	576 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 Oswego County with an average high temperature of 79.9°, which ranks it as cooler than most places in New York. In Oswego County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oswego County are August, July and June.

In Oswego County, there are 2.3 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 Oswego County with an average of 12.8°. This is colder than most places in New York.

In Oswego County, there are 143.9 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New York.

In Oswego County, there are 9.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in New York.

Humidity in Oswego County is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are July, August and June.

November is the wettest month in Oswego County with 4.3 inches of rain, and the driest month is February with 2.8 inches. The wettest season is Winter with 29% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 44.6 inches in Oswego County means that it is about average compared to other places in New York.

January is the rainiest month in Oswego County with 18.2 days of rain, and July is the driest month with only 11.3 rainy days. There are 168.2 rainy days annually in Oswego County, which is one of the rainiest places in New York. The rainiest season is Spring when it rains 30% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 126.1 inches in Oswego County means that it is one of the snowiest places in New York. January is the snowiest month in Oswego County with 37.2 inches of snow, and 6 months of the year have significant snowfall.

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