Weather in Westmount in December

General weather information about Westmount

Average annual temperature is 8.9 °C

Absolute maximum temperature: 31.7 °C

Absolute minimum temperature: -30.4 °C

Number of sunny days: 141 days

Number of rainy days: 185 days

Number of snow days: 39 days

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

Westmount air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)5.511.48.827.931.031.731.128.531.628.913.410.8
Average daytime temperature (°C)0.52.03.914.619.523.826.624.022.815.56.33.9
Average temperature (°C)-2.9-3.9-0.78.013.118.721.519.217.411.72.61.0
Average night temperature (°C)-6.1-9.0-4.72.77.213.916.815.112.68.6-0.9-1.5
Absolute minimum temperature (°C)-19.7-30.4-12.7-7.81.29.512.510.46.7-2.4-6.5-9.5

Westmount 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)9.310.511.913.514.815.515.114.012.511.09.68.9
Daylight minimum duration (h)8.09.011.012.014.015.014.013.011.010.09.08.0
Sunshine mean duration (h)3.25.26.48.311.311.111.710.59.85.65.52.6
Precipitation (mm)8068939462791287620875098
Sunny days910121122114131910128
Rainy days1111817919271811211320
Snow days11711200000053

Westmount - weather forecast by months

Westmount weather in januaryWestmount weather in februaryWestmount weather in marchWestmount weather in aprilWestmount weather in mayWestmount weather in juneWestmount weather in julyWestmount weather in augustWestmount weather in septemberWestmount weather in octoberWestmount weather in novemberWestmount weather in december

Best time to visit Westmount:

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

  • May — 11.3(h)
  • June — 11.1(h)
  • July — 11.7(h)
  • August — 10.5(h)
  • September — 9.8(h)

Months with the longest average daylight duration in Westmount:

  • June — 15.5(h)

The largest precipitation sum in Westmount is at

  • July — 128(mm)
  • December — 98(mm)

    • Weather forecast in the closest to Westmount admin centers

    Weather forecast in the closest towns to Westmount

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    Frequently asked questions

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