TODAY OCT16
TEMPERATURE58
HUMIDITY
PRESSURE29.88
WIND COND.280 8.1
  • 5442Tue
  • 5436Wed
  • 5135Thu
  • 5946Fri60%
  • 5839Sat60%40%
daynightWeather update from Williamsport - Lycoming County Airport at
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South Williamsport 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
January20°F38°F28°F3.1"
February19°F40°F29°F2.4"
March28°F52°F39°F3.1"
April38°F66°F51°F3.8"
May48°F75°F61°F3.9"
June58°F83°F70°F4.1"
July62°F87°F74°F4.7"
August60°F84°F71°F5.3"
September54°F79°F65°F4.3"
October43°F66°F53°F4.9"
November32°F54°F42°F3.0"
December26°F43°F34°F4.0"

Did you know?

  • The highest monthly average temperature in South Williamsport for July is 74 degrees.
  • The lowest monthly average temperature in South Williamsport for January is 28 degrees.
  • The most monthly precipitation in South Williamsport occurs in August with 5.3 inches.
  • The air quality index in South Williamsport is 37% better than the national average.
  • The pollution index in South Williamsport is 70% better than the national average.

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South Williamsport 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.
IndexSouth WilliamsportPennsylvaniaNational
Air quality index314550
Pollution index1,515,2004,327,9925,066,862

South Williamsport air quality information

MeasurementTotal
Days measured365
Days with good air quality354
Days with moderate air quality11
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

South Williamsport air quality information

PollutantTotal
Arsenic0.050%
Benzene0.020%
Carbon Tetrachloride0.002%
Lead0.020%
Mercury0.010%

Average monthly South Williamsport temperature with heat index

South Williamsport monthly precipitation with daily maximum

South Williamsport monthly snow depth with daily maximum

South Williamsport monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Williamsport, PA29,1803138%
Faxon, PA1,3943138%
Kenmar, PA4,3733138%
Muncy, PA2,3933138%
Salladasburg, PA2583138%
South Williamsport, PA6,3283138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Indian Hills, NV6,3284412%
Tanglewilde, WA6,3263138%
Huntington Woods, MI6,330524%
Gorham, ME6,3313824%
Selma, NC6,3254020%
South Williamsport, PA6,3283138%
Source: The South Williamsport, 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.