Best year time to visit Port Williams

General weather information about Port Williams

Average annual temperature is 8.6 °C

Absolute maximum temperature: 30.4 °C

Absolute minimum temperature: -28.0 °C

Number of sunny days: 129 days

Number of rainy days: 201 days

Number of snow days: 35 days

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

Port Williams air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)11.310.911.919.628.930.429.626.130.324.415.716.0
Average daytime temperature (°C)3.10.63.611.916.020.226.623.422.116.96.44.6
Average temperature (°C)-0.1-4.3-0.46.410.615.922.019.017.412.32.71.3
Average night temperature (°C)-3.4-8.6-3.62.15.912.218.315.413.98.9-0.4-1.6
Absolute minimum temperature (°C)-10.5-28.0-10.9-4.41.57.314.811.88.01.8-6.6-11.8

Port Williams monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.011.012.014.015.015.015.014.013.011.010.09.0
Daylight mean duration (h)9.210.411.913.514.915.615.214.012.511.09.68.8
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.25.25.98.39.56.89.38.88.16.74.73.4
Precipitation (mm)2386096475218611718694179101117
Sunny days6712171674811131216
Rainy days15910131523272319181613
Snow days10129000000022

Port Williams - weather forecast by months

Port Williams weather in januaryPort Williams weather in februaryPort Williams weather in marchPort Williams weather in aprilPort Williams weather in mayPort Williams weather in junePort Williams weather in julyPort Williams weather in augustPort Williams weather in septemberPort Williams weather in octoberPort Williams weather in novemberPort Williams weather in december

Best time to visit Port Williams:

The best time to visit Port Williams during the most sunny months:

  • May — 9.5(h)
  • July — 9.3(h)
  • August — 8.8(h)

Months with the longest average daylight duration in Port Williams:

  • June — 15.6(h)

The largest precipitation sum in Port Williams is at

  • January — 238(mm)
  • June — 186(mm)
  • August — 186(mm)
  • October — 179(mm)

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    Frequently asked questions

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