Troy, IL Weather Forecast & Monthly Average Temperatures

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Current weather Weather poll Average temperature Did you know? City comparison Air quality / pollution Heat index Montly precipitation Best nearby cities

TEMPERATURE	45
HUMIDITY	45
PRESSURE	30.15
WIND COND.	150 8.1

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Troy 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	42°F	32°F	5.6"
February	25°F	45°F	34°F	3.8"
March	37°F	59°F	47°F	7.1"
April	47°F	70°F	57°F	10.2"
May	56°F	77°F	66°F	8.9"
June	65°F	87°F	76°F	9.2"
July	68°F	89°F	78°F	8.0"
August	66°F	88°F	76°F	7.8"
September	58°F	82°F	69°F	8.4"
October	47°F	70°F	57°F	8.6"
November	36°F	57°F	46°F	6.9"
December	28°F	45°F	36°F	8.2"

Did you know?

The highest monthly average temperature in Troy for July is 78 degrees.
The lowest monthly average temperature in Troy for January is 32 degrees.
The most monthly precipitation in Troy occurs in April with 10.2 inches.
The air quality index in Troy is 21% worse than the national average.
The pollution index in Troy is 20% worse than the national average.

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Compare Troy, IL Weather To Other Cities

Troy 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	Troy	Illinois	National
Air quality index	60	41	50
Pollution index	6,055,640	3,347,295	5,066,862

Troy air quality information

Measurement	Total
Days measured	365
Days with good air quality	99
Days with moderate air quality	231
Days w/ poor A.Q. for sensitive groups	33
Days with unhealthy air quality	2

Troy air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.070%
Carbon Tetrachloride	0.040%
Lead	0.100%
Mercury	0.230%

Average monthly Troy temperature with heat index

Troy monthly precipitation with daily maximum

Troy monthly snow depth with daily maximum

Troy monthly wind speed information

Nearby cities with good air quality

City, State	Population	Air Quality Index	National Avg.
Alhambra, IL	523	60	20%
Bethalto, IL	9,364	60	20%
Collinsville, IL	24,855	60	20%
Fairmont City, IL	2,349	60	20%
Grantfork, IL	360	60	20%
Troy, IL	10,041	60	20%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
Gages Lake, IL	10,041	35	30%
Bonham, TX	10,040	325	550%
Indianola, MS	10,047	37	26%
Waverly, IA	10,049	43	14%
Avon Park, FL	10,052	28	44%
Troy, IL	10,041	60	20%

Source: The Troy, 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.