Zip 06830 (Greenwich, CT) Climate

The climate in 06830 Greenwich, CT is a humid subtropical climate with hot and humid summers and cool to cold winters. The town typically experiences four distinct seasons. In the summer months, temperatures can reach up to 80°F or higher as humidity levels tend to be high due to its proximity to the coast. During the winter, temperatures can dip below freezing for several days at a time and snowfall is usually moderate. Greenwich receives around 44 inches of precipitation per year, with most of it occurring from late spring through early autumn.

Greenwich (zip 06830), Connecticut gets 51 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Greenwich (zip 06830) averages 30 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 190 sunny days per year in Greenwich (zip 06830). The US average is 205 sunny days.

Greenwich (zip 06830) gets some kind of precipitation, on average, 124 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 84 degrees
Winter Low: the January low is 21
Rain: averages 51 inches of rain a year
Snow: averages 30 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 06830 zip code is 7.1 (10=best), which means it is more comfortable than most places in Connecticut.

8.9 Summer - 5.2 Winter

June, September and August are the most pleasant months in the 06830 zip code, while January and February are the least comfortable months.

Climate	Greenwich, Connecticut	United States
	Unlock	38.1 in.
	29.8 in.	Unlock
	Unlock	106.2 days
	190 days	Unlock
	84.1°	85.8°
	Unlock	21.7°
	7.1	Unlock
	Unlock	4.3
	114 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 06830 zip code with an average high temperature of 84.1°, which ranks it as one of the hottest places in Connecticut. In the 06830 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 06830 zip code are June, September and August.

In the 06830 zip code, there are 11.6 days annually when the high temperature is over 90°, which is hotter than most places in Connecticut.

January has the coldest nighttime temperatures for the 06830 zip code with an average of 21.0°. This is warmer than most places in Connecticut.

In the 06830 zip code, there are 111.4 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Connecticut.

In the 06830 zip code, there are 1.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Connecticut.

The humidity is usually comfortable in the 06830 zip code but some summer months can be sticky or muggy. August is the most humid month, though humidity is low for most of the year. The most humid months are August, July and June.

September is the wettest month in the 06830 zip code with 4.8 inches of rain, and the driest month is February with 3.1 inches. The wettest season is Winter with 27% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 50.9 inches in the 06830 zip code means that it is wetter than most places in Connecticut.

May is the rainiest month in the 06830 zip code with 12.0 days of rain, and February is the driest month with only 9.0 rainy days. There are 123.7 rainy days annually in the 06830 zip code, which is rainier than most places in Connecticut. The rainiest season is Summer when it rains 28% of the time and the driest is Winter with only a 24% chance of a rainy day.

An annual snowfall of 29.8 inches in the 06830 zip code means that it is less snowy than most places in Connecticut. February is the snowiest month in the 06830 zip code with 9.0 inches of snow, and 6 months of the year have significant snowfall.

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