St. Clairsville, OH Weather - Forecast & Monthly Averages

TEMPERATURE	31
HUMIDITY	85
PRESSURE	100440
WIND COND.	260 14.8

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Weather Quick Facts

The highest monthly average temperature in St. Clairsville for July is 72.8 degrees
The lowest monthly average temperature in St. Clairsville for January is 29.6 degrees
The most monthly precipitation in St. Clairsville occurs in June with 4.5 inches
The air quality index in St. Clairsville is 7% better than the national average
The pollution index in St. Clairsville is 485% worse than the national average

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St. Clairsville 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	38°F	30°F	2.9"
February	23°F	40°F	30°F	2.0"
March	32°F	52°F	41°F	3.5"
April	42°F	65°F	53°F	3.3"
May	51°F	73°F	62°F	4.2"
June	59°F	80°F	69°F	4.5"
July	63°F	84°F	73°F	3.6"
August	62°F	83°F	72°F	3.9"
September	55°F	77°F	65°F	3.3"
October	45°F	65°F	54°F	3.6"
November	35°F	54°F	44°F	2.6"
December	27°F	43°F	34°F	3.6"

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St. Clairsville 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	St. Clairsville	Ohio	National
Air quality index	39	40	42
Pollution index	15,941,000	4,472,386	2,726,193

St. Clairsville air quality

Measurement	Total
Days measured	365
Days with good air quality	318
Days with moderate air quality	47
Days w/ poor A.Q. for sensitive groups	0
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.070%
Benzene	0.010%
Carbon Tetrachloride	0.002%
Lead	0.030%
Mercury	1.030%

Average monthly St. Clairsville temperature with heat index

St. Clairsville monthly precipitation with daily maximum

St. Clairsville monthly snow depth with daily maximum

St. Clairsville monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
New Athens, OH	327	39	22.0%
Wheeling, WV	27,046	39	22.0%
Windsor Heights, WV	412	39	22.0%
Smithfield, OH	827	39	22.0%
Bellaire, OH	4,057	39	22.0%
St. Clairsville, OH	5,080	39	22.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Monee, IL	5,080	55	10.0%
Chesterbrook, PA	5,080	51	2.0%
Berkeley, IL	5,079	55	10.0%
Shanor-Northvue, PA	5,079	31	38.0%
Bristol, WI	5,079	39	22.0%
St. Clairsville, OH	5,080	39	22.0%

Source: The St. Clairsville, OH 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.