Crystal Lake, CT Weather - Forecast & Monthly Averages

TEMPERATURE	55
HUMIDITY	52
PRESSURE	102470
WIND COND.	340 14.8

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Weather Quick Facts

The highest monthly average temperature in Crystal Lake for July is 74.7 degrees
The lowest monthly average temperature in Crystal Lake for January is 28 degrees
The most monthly precipitation in Crystal Lake occurs in October with 5.9 inches
The air quality index in Crystal Lake is 5% better than the national average
The pollution index in Crystal Lake is 3% worse than the national average

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Crystal Lake 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	18°F	38°F	28°F	3.3"
February	18°F	40°F	29°F	3.6"
March	26°F	50°F	38°F	3.6"
April	37°F	65°F	50°F	4.0"
May	47°F	75°F	60°F	4.0"
June	57°F	82°F	69°F	5.5"
July	63°F	88°F	75°F	4.9"
August	60°F	86°F	72°F	4.9"
September	54°F	80°F	66°F	3.9"
October	43°F	67°F	54°F	5.9"
November	32°F	55°F	43°F	3.2"
December	24°F	44°F	33°F	4.5"

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Crystal Lake 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	Crystal Lake	Connecticut	National
Air quality index	40	43	42
Pollution index	2,806,150	8,629,883	2,726,193

Crystal Lake air quality

Measurement	Total
Days measured	364
Days with good air quality	305
Days with moderate air quality	59
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.004%
Benzene	0.030%
Carbon Tetrachloride	0.010%
Lead	0.040%
Mercury	0.010%

Average monthly Crystal Lake temperature with heat index

Crystal Lake monthly precipitation with daily maximum

Crystal Lake monthly snow depth with daily maximum

Crystal Lake monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Coventry Lake, CT	2,135	33	34.0%
South Coventry, CT	1,413	33	34.0%
Storrs, CT	16,392	33	34.0%
Mansfield Center, CT	1,367	33	34.0%
Somers, CT	2,343	40	20.0%
Crystal Lake, CT	2,567	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Mattawan, MI	2,567	38	24.0%
Shelby, MI	2,567	38	24.0%
Maynardville, TN	2,567	46	8.0%
Labelle, QC	2,567	n/a
Henniker, NH	2,566	27	46.0%
Crystal Lake, CT	2,567	40	20.0%

Source: The Crystal Lake, 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.