Zip 11777 (Port Jefferson, NY) Climate

11777 Port Jefferson, NY has a humid subtropical climate, characterized by hot and humid summers, cold winters with moderate snowfall, and year-round precipitation. Summers typically reach temperatures in the low 80s Fahrenheit (27°C) and can be quite humid due to its proximity to both the ocean and Long Island Sound. Winters are cold but tend to be milder than other parts of the Northeast US, with temperatures averaging around 40°F (4°C). Snowfall is moderate, generally ranging from 12 - 18 inches per season. Precipitation comes year round with spring being the wettest season on average.

Port Jefferson (zip 11777), New York gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Port Jefferson (zip 11777) averages 28 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Port Jefferson (zip 11777). The US average is 205 sunny days.

Port Jefferson (zip 11777) gets some kind of precipitation, on average, 110 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 24
Rain: averages 47 inches of rain a year
Snow: averages 28 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 11777 zip code is 7.3 (10=best), which means it is one of the most pleasant places in New York.

8.9 Summer - 5.5 Winter

June, September and August are the most pleasant months in the 11777 zip code, while January and February are the least comfortable months.

Climate	Port Jefferson, New York	United States
	Unlock	38.1 in.
	28.3 in.	Unlock
	Unlock	106.2 days
	206 days	Unlock
	83.3°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	164 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 the 11777 zip code with an average high temperature of 83.3°, which ranks it as warmer than most places in New York. In the 11777 zip code, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 11777 zip code are June, September and August.

In the 11777 zip code, there are 7.9 days annually when the high temperature is over 90°, which is hotter than most places in New York.

January has the coldest nighttime temperatures for the 11777 zip code with an average of 23.5°. This is warmer than most places in New York.

In the 11777 zip code, there are 98.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in New York.

In the 11777 zip code, 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 the 11777 zip code 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.

June is the wettest month in the 11777 zip code with 4.5 inches of rain, and the driest month is February with 3.2 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 47.2 inches in the 11777 zip code means that it is wetter than most places in New York.

April is the rainiest month in the 11777 zip code with 10.6 days of rain, and August is the driest month with only 7.9 rainy days. There are 110.2 rainy days annually in the 11777 zip code, 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 28.3 inches in the 11777 zip code means that it is less snowy than most places in New York. February is the snowiest month in the 11777 zip code with 8.4 inches of snow, and 6 months of the year have significant snowfall.

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