Weather in Lake William in August

General weather information about Lake William

Average annual temperature is 8.3 °C

Absolute maximum temperature: 31.7 °C

Absolute minimum temperature: -28.1 °C

Number of sunny days: 136 days

Number of rainy days: 199 days

Number of snow days: 30 days

Look at detailed online map of Lake William

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

Lake William air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)10.711.410.718.028.331.730.125.229.223.414.915.2
Average daytime temperature (°C)3.40.83.711.516.320.125.922.721.716.56.44.3
Average temperature (°C)0.0-4.3-0.35.910.315.321.418.717.111.92.30.8
Average night temperature (°C)-3.5-8.8-4.01.55.411.517.915.313.78.6-0.9-2.3
Absolute minimum temperature (°C)-13.6-28.1-10.6-4.71.46.914.111.66.92.2-6.8-13.0

Lake William 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)9.310.411.913.514.815.515.214.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.55.26.08.710.16.68.78.87.66.45.23.0
Precipitation (mm)251731025057233187201110156116141
Sunny days61111151685121581415
Rainy days19612141522261915231315
Snow days6118100000031

Lake William - weather forecast by months

Lake William weather in januaryLake William weather in februaryLake William weather in marchLake William weather in aprilLake William weather in mayLake William weather in juneLake William weather in julyLake William weather in augustLake William weather in septemberLake William weather in octoberLake William weather in novemberLake William weather in december

Best time to visit Lake William:

The best time to visit Lake William during the most sunny months:

  • April — 8.7(h)
  • May — 10.1(h)
  • July — 8.7(h)
  • August — 8.8(h)

Months with the longest average daylight duration in Lake William:

  • June — 15.5(h)

The largest precipitation sum in Lake William is at

  • January — 251(mm)
  • June — 233(mm)
  • July — 187(mm)
  • August — 201(mm)

    • Weather forecast in the closest to Lake William admin centers

    Weather forecast in the closest towns to Lake William

    Explore Lake William

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    MapTrains schedule
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    Frequently asked questions

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