Best year time to visit Williamsport

General weather information about Williamsport

Average annual temperature is 7.0 °C

Absolute maximum temperature: 31.6 °C

Absolute minimum temperature: -31.5 °C

Number of sunny days: 127 days

Number of rainy days: 180 days

Number of snow days: 58 days

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* Weather data for Williamsport Canada is based on climate observations for 2026 year

Williamsport air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)2.88.96.726.730.531.629.524.829.626.011.78.1
Average daytime temperature (°C)-1.5-0.91.911.518.523.524.822.321.313.54.31.8
Average temperature (°C)-5.0-6.4-2.45.111.417.919.817.516.09.90.5-1.1
Average night temperature (°C)-8.0-10.8-6.10.05.112.815.613.711.97.2-2.7-3.8
Absolute minimum temperature (°C)-19.4-31.5-14.7-14.7-0.68.412.18.35.2-1.8-10.1-11.0

Williamsport monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.08.0
Daylight mean duration (h)9.210.411.913.514.915.615.314.112.511.09.58.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)2.84.46.87.411.211.512.29.79.74.84.83.0
Precipitation (mm)97706011675149112111471297159
Sunny days661314191349187810
Rainy days9510141217272212231415
Snow days16178200000186

Williamsport - weather forecast by months

Williamsport weather in januaryWilliamsport weather in februaryWilliamsport weather in marchWilliamsport weather in aprilWilliamsport weather in mayWilliamsport weather in juneWilliamsport weather in julyWilliamsport weather in augustWilliamsport weather in septemberWilliamsport weather in octoberWilliamsport weather in novemberWilliamsport weather in december

Best time to visit Williamsport:

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

  • May — 11.2(h)
  • June — 11.5(h)
  • July — 12.2(h)
  • August — 9.7(h)
  • September — 9.7(h)

Months with the longest average daylight duration in Williamsport:

  • June — 15.6(h)
  • July — 15.3(h)

The largest precipitation sum in Williamsport is at

  • April — 116(mm)
  • June — 149(mm)
  • October — 129(mm)

    • Weather forecast in the closest to Williamsport admin centers

    Weather forecast in the closest towns to Williamsport

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    Frequently asked questions

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