ClimateForecastNovemberDecember >>

Sudbury Climate by Month

The climate in Sudbury is marked by big temperature swings throughout the year. Temperatures range from warm during the warmest months to very cold in the cooler months. It receives a moderate amount of precipitation. Let’s explore the climate details in depth to provide you with a complete overview.

Average day and night temperature

In Sudbury, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a comfortable 26°C in July to a very cold -6°C in January. Nighttime temperatures can drop, with averages reaching -17°C in January.

The mean minimum and maximum temperatures throughout the year

Precipitation and rainy days

On average, Sudbury receives a reasonable amount of rain/snowfall, with an annual precipitation of 929 mm. The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 98 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, February, still receives a respectable 51 mm of snowfall.

The mean monthly precipitation over the year, including rain, hail and snow

The best time of year to visit Sudbury in Canada

During the months of June, July, August and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:
  • When is winter in Sudbury?
    The coldest season / winter is in the following months: January, February, March and December.
  • Which is the warmest month in Sudbury?
    July has an average maximum temperature of 26°C and is the warmest month of the year.
  • Which is the coldest month in Sudbury?
    The coldest month is January with an average maximum temperature of -6°C.
  • Which is the wettest month in Sudbury?
    October tops the wettest month list with 98 mm of rainfall.
  • Which is the driest month in Sudbury?
    February is the driest month with 51 mm of precipitation.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.

    Forecast for Sudbury

    Fri   Nov 22
    6°C | 4°C
    N 25 km/h
    partly cloudy and no rain

    partly cloudy and no rain

    Sat   Nov 23
    4°C | -2°C
    NW 22 km/h
    3.2 mm
    overcast and rain

    overcast and rain

    Sun   Nov 24
    0°C | -4°C
    NW 18 km/h
    broken clouds and no rain

    broken clouds and no rain