Seneca County, NY Climate

Seneca, NY County has a typical humid continental climate with warm-to-hot summers and cold winters. Average temperatures in the summer typically range from the mid 70s to low 80s, while winters average in the mid teens to low 20s. Rainfall is spread out throughout the year, but it can tend to be heaviest during spring and summer months. Snow is common during winter months, but not as much as other areas located further north. The area also experiences significant amounts of fog throughout the year due to its proximity to Lake Ontario.

Seneca County, New York gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Seneca County averages 62 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 Seneca County. The US average is 205 sunny days.

Seneca County gets some kind of precipitation, on average, 156 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 16
Rain: averages 35 inches of rain a year
Snow: averages 62 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Seneca County is 6.5 (10=best), which means it is less comfortable than most places in New York.

9.2 Summer - 4 Winter

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

Climate	Seneca, New York	United States
	Unlock	38.1 in.
	61.7 in.	Unlock
	Unlock	106.2 days
	161 days	Unlock
	80.8°	85.8°
	Unlock	21.7°
	6.5	Unlock
	Unlock	4.3
	622 ft.	Unlock

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 80.8°, which ranks it as cooler than most places in New York. In Seneca County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Seneca County are August, June and July.

In Seneca County, there are 5.5 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 Seneca County with an average of 16.3°. This is about average compared to other places in New York.

In Seneca County, there are 133.1 days annually when the nighttime low temperature falls below freezing, which is about average compared to other places in New York.

In Seneca County, there are 4.8 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in New York.

Humidity in Seneca 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 Seneca County with 3.8 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 30% of yearly precipitation and 18% occurs in Spring, which is the driest season. The annual rainfall of 35.2 inches in Seneca County means that it is one of the driest places in New York.

January is the rainiest month in Seneca County with 15.1 days of rain, and August is the driest month with only 11.3 rainy days. There are 155.6 rainy days annually in Seneca County, which is rainier than most places in New York. The rainiest season is Spring when it rains 26% of the time and the driest is Autumn with only a 23% chance of a rainy day.

An annual snowfall of 61.7 inches in Seneca County means that it is snowier than most places in New York. January is the snowiest month in Seneca County with 17.0 inches of snow, and 6 months of the year have significant snowfall.

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