TODAY FEB16
TEMPERATURE28
HUMIDITY65
PRESSURE29.97
WIND COND.310 9.2
  • 3422Sat
  • 3625Sun50%30%
  • 3420
  • 3626Tue50%
  • 4332Wed50%
daynightWeather update from Columbus - John Glenn Columbus International Airport at

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Johnstown 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
January25°F40°F32°F8.4"
February17°F36°F27°F3.0"
March31°F51°F40°F5.7"
April38°F64°F51°F5.4"
May46°F75°F61°F4.4"
June59°F84°F72°F3.9"
July61°F85°F73°F5.2"
August63°F87°F74°F7.4"
September53°F81°F66°F2.6"
October45°F68°F56°F3.3"
November32°F55°F43°F6.2"
December23°F39°F31°F3.3"

Did you know?

  • The highest monthly average temperature in Johnstown for August is 74 degrees.
  • The lowest monthly average temperature in Johnstown for February is 27 degrees.
  • The most monthly precipitation in Johnstown occurs in January with 8.4 inches.
  • The air quality index in Johnstown is 13% better than the national average.
  • The pollution index in Johnstown is 28% better than the national average.

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Compare Johnstown, OH Weather To Other Cities

Johnstown 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.
IndexJohnstownOhioNational
Air quality index434050
Pollution index3,612,8406,740,0015,066,862

Johnstown air quality information

MeasurementTotal
Days measured365
Days with good air quality243
Days with moderate air quality120
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

Johnstown air quality information

PollutantTotal
Arsenic0.004%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.030%
Mercury0.002%

Average monthly Johnstown temperature with heat index

Johnstown monthly precipitation with daily maximum

Johnstown monthly snow depth with daily maximum

Johnstown monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Granville South, OH1,3263628%
St. Louisville, OH4293628%
Hartford, OH3553628%
Newark, OH48,4773628%
Heath, OH10,4713628%
Johnstown, OH4,9994314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Brookshire, TX4,999524%
Forest Hills, TN4,9994510%
Swoyersville, PA5,0004020%
Pupukea, HI4,9983040%
Giddings, TX5,0004118%
Johnstown, OH4,9994314%
Source: The Johnstown, 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.
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