Best year time to visit South Williamsport

General weather information about South Williamsport

Average annual temperature is 11.8 °C

Absolute maximum temperature: 34.9 °C

Absolute minimum temperature: -13.6 °C

Number of sunny days: 167 days

Number of rainy days: 193 days

Number of snow days: 5 days

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* Weather data for South Williamsport United States is based on climate observations for 2026 year

South Williamsport air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)13.719.117.229.331.233.434.932.033.527.618.912.6
Average daytime temperature (°C)6.38.59.318.722.225.930.327.524.318.410.27.4
Average temperature (°C)2.72.23.511.614.819.623.921.718.713.34.93.7
Average night temperature (°C)-0.3-2.3-0.95.87.914.118.616.914.09.10.90.8
Absolute minimum temperature (°C)-4.8-13.6-6.0-1.22.28.814.412.78.42.1-5.1-4.1

South Williamsport monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)10.011.012.013.014.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.610.611.913.314.515.114.813.812.511.19.99.3
Daylight minimum duration (h)9.010.011.012.013.014.014.013.011.010.09.09.0
Sunshine mean duration (h)3.86.66.88.511.510.911.410.18.57.17.13.5
Precipitation (mm)914992112321021361521138449123
Sunny days12151215211010815161914
Rainy days191219151020212315151014
Snow days010000000013

South Williamsport - weather forecast by months

South Williamsport weather in januarySouth Williamsport weather in februarySouth Williamsport weather in marchSouth Williamsport weather in aprilSouth Williamsport weather in maySouth Williamsport weather in juneSouth Williamsport weather in julySouth Williamsport weather in augustSouth Williamsport weather in septemberSouth Williamsport weather in octoberSouth Williamsport weather in novemberSouth Williamsport weather in december

Best time to visit South Williamsport:

The best time to visit South Williamsport during the most sunny months:

  • May — 11.5(h)
  • June — 10.9(h)
  • July — 11.4(h)
  • August — 10.1(h)

The largest precipitation sum in South Williamsport is at

  • July — 136(mm)
  • August — 152(mm)
  • December — 123(mm)

    • Weather forecast in the closest to South Williamsport admin centers

    Weather forecast in the closest towns to South Williamsport

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    Frequently asked questions

    When is the best time to visit South Williamsport?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit South Williamsport.
    What is the weather like in South Williamsport?
    See average temperature, rainfall and daylight hours for South Williamsport by month in the table above.
    How many sunny days does South Williamsport have?
    The monthly weather statistics above show sunshine and rainfall patterns for South Williamsport throughout the year.