Central Islip, NY Climate


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Central Islip, NY has a humid subtropical climate with hot and humid summers and cold winters. The average temperature in the summer months ranges from the mid-70s to the mid-80s Fahrenheit, while winter temperatures can drop down to the low 30s. The town receives an average of 48 inches of rainfall annually. Central Islip experiences snowfall during winter, but usually not more than 10 inches at a time.

Central Islip, New York gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Central Islip averages 26 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 205 sunny days per year in Central Islip. The US average is 205 sunny days.

Central Islip gets some kind of precipitation, on average, 111 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 83 degrees
Winter Low: the January low is 23
Rain: averages 48 inches of rain a year
Snow: averages 26 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Central Islip is 7.2 (10=best), which means it is more comfortable than most places in New York.

9 Summer - 5.4 Winter
June, September and August are the most pleasant months in Central Islip, while January and February are the least comfortable months.

  ClimateCentral Islip, New YorkUnited States
  48.2 in.38.1 in.
  25.8 in.27.8 in.
  110.9 days106.2 days
  205 days205 days
  82.5°85.8°
  23.4°21.7°
  7.27
  3.74.3
  89 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 Central Islip with an average high temperature of 82.5°, which ranks it as warmer than most places in New York. In Central Islip, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Central Islip are June, August and September.
In Central Islip, there are 5.7 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 Central Islip with an average of 23.4°. This is warmer than most places in New York.
In Central Islip, there are 96.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New York.
In Central Islip, there are 0.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in New York.
The humidity is usually comfortable in Central Islip but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
April is the wettest month in Central Islip with 4.5 inches of rain, and the driest month is February with 3.3 inches. The wettest season is Summer with 27% of yearly precipitation and 23% occurs in Spring, which is the driest season. The annual rainfall of 48.2 inches in Central Islip means that it is wetter than most places in New York.
April is the rainiest month in Central Islip with 10.6 days of rain, and August is the driest month with only 7.9 rainy days. There are 110.9 rainy days annually in Central Islip, which is one of the least rainy places in New York. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 23% chance of a rainy day.
An annual snowfall of 25.8 inches in Central Islip means that it is less snowy than most places in New York. February is the snowiest month in Central Islip with 7.8 inches of snow, and 6 months of the year have significant snowfall.
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