Best year time to visit St. Lewis

General weather information about St. Lewis

Average annual temperature is 1.5 °C

Absolute maximum temperature: 27.8 °C

Absolute minimum temperature: -27.5 °C

Number of sunny days: 124 days

Number of rainy days: 173 days

Number of snow days: 68 days

Look at detailed online map of St. Lewis

* Weather data for St. Lewis Canada is based on climate observations for 2026 year

St. Lewis air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)3.81.22.66.810.127.820.618.819.514.57.69.3
Average daytime temperature (°C)-4.6-9.8-1.01.24.07.213.614.411.78.31.50.4
Average temperature (°C)-7.7-13.9-2.9-1.31.74.510.812.69.66.4-1.0-2.1
Average night temperature (°C)-11.1-17.6-4.8-3.4-0.32.88.811.17.94.8-3.2-4.8
Absolute minimum temperature (°C)-17.9-27.5-17.4-10.8-5.0-1.64.35.94.6-2.0-9.5-10.6

St. Lewis monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)9.010.012.014.016.016.016.015.013.011.09.08.0
Daylight mean duration (h)8.39.911.913.915.716.716.214.612.710.68.87.8
Daylight minimum duration (h)7.09.010.012.014.016.015.013.011.09.08.07.0
Sunshine mean duration (h)3.06.34.38.06.36.28.37.06.74.44.92.2
Precipitation (mm)89349354149112551159074116116
Sunny days9137147910713111410
Rainy days718102121212417201211
Snow days1514166300000410

St. Lewis - weather forecast by months

St. Lewis weather in januarySt. Lewis weather in februarySt. Lewis weather in marchSt. Lewis weather in aprilSt. Lewis weather in maySt. Lewis weather in juneSt. Lewis weather in julySt. Lewis weather in augustSt. Lewis weather in septemberSt. Lewis weather in octoberSt. Lewis weather in novemberSt. Lewis weather in december

Best time to visit St. Lewis:

The best time to visit St. Lewis during the most sunny months:

  • April — 8.0(h)
  • July — 8.3(h)

Months with the longest average daylight duration in St. Lewis:

  • May — 15.7(h)
  • June — 16.7(h)
  • July — 16.2(h)

The largest precipitation sum in St. Lewis is at

  • May — 149(mm)
  • August — 115(mm)
  • November — 116(mm)
  • December — 116(mm)

    • Weather forecast in the closest to St. Lewis admin centers

    Weather forecast in the closest towns to St. Lewis

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    Frequently asked questions

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