TODAY OCT19
TEMPERATURE39
HUMIDITY70
PRESSURE30.36
WIND COND.230 8.1
  • 5747Fri60%
  • 5536Sat60%70%
  • 4432Sun70%
  • 5238Mon
  • 5536Tue
daynightWeather update from Altoona - Blair County Airport at
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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.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January21°F37°F28°F2.0"
February21°F38°F29°F1.6"
March29°F49°F39°F2.9"
April40°F63°F51°F3.1"
May49°F72°F60°F4.2"
June58°F79°F68°F4.2"
July61°F83°F72°F4.1"
August59°F81°F69°F3.6"
September53°F75°F63°F3.3"
October44°F64°F53°F3.6"
November33°F52°F42°F2.2"
December26°F41°F33°F3.1"

Did you know?

  • The highest monthly average temperature in St. Clairsville for July is 72 degrees.
  • The lowest monthly average temperature in St. Clairsville for January is 28 degrees.
  • The most monthly precipitation in St. Clairsville occurs in May with 4.2 inches.
  • The air quality index in St. Clairsville is 9% better than the national average.
  • The pollution index in St. Clairsville is 41% better than the national average.

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Compare St. Clairsville, PA Weather To Other Cities

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.
IndexSt. ClairsvillePennsylvaniaNational
Air quality index454550
Pollution index2,970,5104,327,9925,066,862

St. Clairsville air quality information

MeasurementTotal
Days measured365
Days with good air quality219
Days with moderate air quality144
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

St. Clairsville air quality information

PollutantTotal
Arsenic0.002%
Benzene0.050%
Carbon Tetrachloride0.010%
Lead0.650%
Mercury0.001%

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, StatePopulationAir Quality IndexNational Avg.
Bedford, PA2,7633236%
Manns Choice, PA2713236%
Schellsburg, PA3353236%
New Baltimore, PA1473236%
Beaverdale, PA1,0984510%
St. Clairsville, PA784510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Topeka, IL78484%
Camp Crook, SD783432%
Turner, MT782648%
Urbank, MN782942%
Holliday, MO78375650%
St. Clairsville, PA784510%
Source: The St. Clairsville, PA 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.