New Haven, CT Weather - Forecast & Monthly Averages

TEMPERATURE	48
HUMIDITY	93
PRESSURE	99700
WIND COND.	10 16.6

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Weather Quick Facts

The highest monthly average temperature in New Haven for July is 74.9 degrees
The lowest monthly average temperature in New Haven for January is 31.5 degrees
The most monthly precipitation in New Haven occurs in June with 4.7 inches
The air quality index in New Haven is 3% better than the national average
The pollution index in New Haven is 432% worse than the national average

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New Haven Average Temperature

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	23°F	40°F	32°F	2.6"
February	23°F	41°F	32°F	2.8"
March	30°F	48°F	39°F	3.4"
April	40°F	60°F	50°F	4.5"
May	50°F	69°F	59°F	3.8"
June	60°F	78°F	68°F	4.7"
July	66°F	84°F	75°F	3.1"
August	64°F	82°F	74°F	3.7"
September	58°F	77°F	67°F	3.2"
October	47°F	66°F	57°F	4.5"
November	37°F	55°F	46°F	2.9"
December	30°F	45°F	37°F	4.2"

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New Haven air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
Index	New Haven	Connecticut	National
Air quality index	41	43	42
Pollution index	14,500,300	8,629,883	2,726,193

New Haven air quality

Measurement	Total
Days measured	365
Days with good air quality	280
Days with moderate air quality	71
Days w/ poor A.Q. for sensitive groups	12
Days with unhealthy air quality	2

Air quality details

Pollutant	Total
Arsenic	0.030%
Benzene	0.140%
Carbon Tetrachloride	0.050%
Lead	0.080%
Mercury	0.060%

Average monthly New Haven temperature with heat index

New Haven monthly precipitation with daily maximum

New Haven monthly snow depth with daily maximum

New Haven monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Naugatuck, CT	31,201	41	18.0%
Shelton, CT	41,162	41	18.0%
Guilford Center, CT	2,653	41	18.0%
Woodmont, CT	1,601	41	18.0%
Wallingford Center, CT	18,948	41	18.0%
New Haven, CT	130,381	41	18.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Stamford, CT	130,057	43	14.0%
Kent, WA	130,038	45	10.0%
Concord, CA	129,227	40	20.0%
Round Rock, TX	128,812	44	12.0%
Langley, BC	132,088	n/a
New Haven, CT	130,381	41	18.0%

Source: The New Haven, CT weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.