New Haven County, CT Weather


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United States / Connecticut / / New Haven County / Cities / Zip Codes

The most pleasant months of the year for New Haven County are June, September and August. In New Haven County, there are 5 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for New Haven County with an average high temperature of 83.6°, which ranks it as warmer than most places in Connecticut. January is the snowiest month in New Haven County with 10.1 inches of snow, and 6 months of the year have significant snowfall. July is the most humid month, though humidity is low for most of the year.

Today's Weather - New Haven, CT

6 AM PST

Mostly Cloudy

58°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
TodayMostly Cloudy61° / 48°E 10 mph
WednesdaySlight Chance Rain Showers then Partly Sunny66° / 47°NE 5 to 8 mph
ThursdayMostly Sunny68° / 48°S 3 to 8 mph
FridayPartly Sunny66° / 45°E 6 to 9 mph
SaturdayPartly Sunny then Slight Chance Rain Showers62° / 47°SE 7 to 10 mph
SundayChance Rain Showers63° / 50°SE 6 to 9 mph
MondayChance Rain Showers then Partly Sunny72° / 51°SW 6 to 10 mph

Weather Highlights

Summer High: the July high is around 84 degrees
Winter Low: the January low is 19
Rain: averages 50 inches of rain a year
Snow: averages 34 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the New Haven County area is 9 (10=best), which means it is more comfortable than most places in Connecticut.

9 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January37° 19°
February40° 22°
March48° 28°
April60° 38°
May70° 47°
June79° 57°
July84° 63°
August82° 62°
September75° 53°
October63° 42°
November53° 34°
December41° 25°
Hot, Freezing, Rainy, Snowy Days: New Haven
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January028105
February02584
March021103
April07110
May01110
June20100
July4090
August2080
September1090
October0480
November013101
December024103

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.

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