Greater Sudbury monthly weather averages

  • Average daytime temperature

    The bar chart below shows the average monthly peak daytime temperatures at Greater Sudbury

    Greater Sudbury average temperature chart
    Average monthly temperatures in Greater Sudbury (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C -7.5 -6 0.3 8.9 16.9 21.9 24.8 22.9 17.9 11.4 3.1 -4.8
    °F 18.5 21.2 32.6 48 62.4 71.4 76.6 73.3 64.2 52.5 37.6 23.4

    Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

  • Average rainfall & rainy days

    The graph below shows the average rainfall and number of rainy days per month.

    Average monthly rainfall in Greater Sudbury (mm and inches)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    mm 63 49 50 55 63 70 66 82 97 69 72 66
    inches 2.5 1.9 2 2.2 2.5 2.7 2.6 3.2 3.8 2.7 2.8 2.6
    Rainy days 13 10 9 9 10 11 9 11 12 11 12 13
  • Average daily sunshine

    The bar chart below shows the average daily sunshine hours in Greater Sudbury

    Average daily sunshine Greater Sudbury
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Hrs sunshine 3.1 4.4 5.1 6.9 8 8.8 10 8.3 5.3 4.2 2.6 2.4
  • Day / night temperatures

    The graph below shows the daily range of temperatures for each month.

    Maximum and minimum daily temperatures in Greater Sudbury (degrees centigrade and fahrenheit)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    Min °C -18.6 -17.5 -10.4 -1.8 5.1 10.3 13.4 12.4 8.1 2.8 -3.7 -13.5
    Max °C -7.3 -5.7 0.6 9.2 17.2 22.2 25.1 23.2 18.2 11.6 3.3 -4.6
    Min °F -1.4 0.5 13.3 28.9 41.1 50.5 56 54.3 46.5 37 25.4 7.8
    Max °F 8.8 11.1 23.2 38.7 52 61.2 66.6 64 55.6 45 31.6 15.8
  • Sea temperature

    The graph below shows the average sea temperature.

    Average sea temperature around Greater Sudbury in degrees centigrade and fahrenheit
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    °C 2.9 2.3 1.9 2.2 3.9 8.9 15.5 18.2 16.2 11.4 7.1 4.2
    °F 37.2 36.1 35.4 35.9 39 48 59.8 64.7 61.2 52.5 44.8 39.5
  • Wind speed

    The graph below shows the average wind speed.

    Average wind speed in Greater Sudbury (mph and kmh)
      Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    km/h 18 18 18 18 16 16 14 14 16 17 18 18
    mph 11 11 11 11 10 10 9 9 10 10 11 11

    A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

  • Relative humidity

    The graph below shows the average relative humidity.

    Average relative humidity in Greater Sudbury
    Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    77% 75% 72% 68% 64% 68% 69% 74% 78% 77% 81% 81%

Other monthly averages

Greater Sudbury weather stats

Greater Sudbury weather statistics
Hottest month: July 24.8°C 76.6°F
Driest month: February 49mm 1.9ins
Sunniest month: July 10hrs
Coldest month: January -7.5°C 18.5°F
Wettest month: September 97mm 3.8ins
Warmest sea: August 18.2°C 64.8°F
Map showing location of Greater Sudbury (46.49, -80.99001)

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