Saybrook, IL Weather - Forecast & Monthly Averages

TEMPERATURE	37
HUMIDITY	96
PRESSURE	101390
WIND COND.	310 25.9

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Weather Quick Facts

The highest monthly average temperature in Saybrook for August is 76.1 degrees
The lowest monthly average temperature in Saybrook for February is 26.3 degrees
The most monthly precipitation in Saybrook occurs in October with 5.3 inches
The air quality index in Saybrook is 5% worse than the national average
The pollution index in Saybrook is 184% worse than the national average

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Saybrook 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	22°F	35°F	28°F	4.7"
February	20°F	34°F	26°F	2.5"
March	33°F	54°F	42°F	4.9"
April	42°F	65°F	52°F	4.6"
May	53°F	77°F	65°F	3.7"
June	64°F	86°F	74°F	4.4"
July	65°F	86°F	75°F	4.9"
August	66°F	88°F	76°F	3.8"
September	59°F	85°F	70°F	4.4"
October	48°F	70°F	57°F	5.3"
November	34°F	53°F	42°F	5.3"
December	20°F	33°F	26°F	2.9"

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Saybrook 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	Saybrook	Illinois	National
Air quality index	44	41	42
Pollution index	7,745,200	3,148,694	2,726,193

Saybrook air quality

Measurement	Total
Days measured	364
Days with good air quality	256
Days with moderate air quality	108
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.030%
Benzene	0.070%
Carbon Tetrachloride	0.020%
Lead	0.860%
Mercury	0.210%

Average monthly Saybrook temperature with heat index

Saybrook monthly precipitation with daily maximum

Saybrook monthly snow depth with daily maximum

Saybrook monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Elliott, IL	310	42	16.0%
Mansfield, IL	1,006	42	16.0%
Melvin, IL	397	42	16.0%
Gibson City, IL	3,340	42	16.0%
Foosland, IL	53	42	16.0%
Saybrook, IL	721	44	12.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Wallace, CA	721	45	10.0%
Quasqueton, IA	721	39	22.0%
Dakota, IL	721	42	16.0%
St. Bernice, IN	721	45	10.0%
Fox Chase, KY	721	49	2.0%
Saybrook, IL	721	44	12.0%

Source: The Saybrook, IL 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.