Sullivan County, NY Climate

Sullivan County, NY has a humid continental climate that is marked by warm summers and cold winters. The average summer temperatures range from the low to mid 80s while winter months often dip down into the single digits. The area receives plenty of precipitation throughout the year, including an average of 40 inches of rain annually. Summers are typically sunny and humid, while winters tend to be snowy and cold with occasional ice storms. The area experiences four distinct seasons that offer plenty of opportunities for outdoor recreation.

Sullivan County, New York gets 49 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Sullivan County averages 61 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 188 sunny days per year in Sullivan County. The US average is 205 sunny days.

Sullivan County gets some kind of precipitation, on average, 133 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 14
Rain: averages 49 inches of rain a year
Snow: averages 61 inches of snow a year

Bestplaces Comfort Index

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

9.1 Summer - 4.2 Winter

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

Climate	Sullivan, New York	United States
	Unlock	38.1 in.
	61.0 in.	Unlock
	Unlock	106.2 days
	188 days	Unlock
	80.3°	85.8°
	Unlock	21.7°
	6.6	Unlock
	Unlock	4.3
	1415 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 Sullivan County with an average high temperature of 80.3°, which ranks it as cooler than most places in New York. In Sullivan County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Sullivan County are August, June and July.

In Sullivan County, there are 3.2 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 Sullivan County with an average of 13.8°. This is colder than most places in New York.

In Sullivan County, there are 154.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in New York.

In Sullivan County, there are 6.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in New York.

Humidity in Sullivan 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.

September is the wettest month in Sullivan County with 4.7 inches of rain, and the driest month is February with 2.9 inches. The wettest season is Autumn with 27% of yearly precipitation and 21% occurs in Spring, which is the driest season. The annual rainfall of 49.3 inches in Sullivan County means that it is wetter than most places in New York.

May is the rainiest month in Sullivan County with 13.0 days of rain, and February is the driest month with only 9.4 rainy days. There are 132.7 rainy days annually in Sullivan County, which is about average compared to other places in New York. The rainiest season is Summer when it rains 27% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 61.0 inches in Sullivan County means that it is snowier than most places in New York. January is the snowiest month in Sullivan County with 17.3 inches of snow, and 6 months of the year have significant snowfall.

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