Weather in December in Sudbury, Ontario

• The shortest day is 8:33 long and the longest day is 8:48 long with an average length of 8:37.
• Overnight temperatures are generally very cold with an average low of -14.3 °C (6.3 °F).
• The variation/ range of daily average temperatures in December is 8.7 °C (15.7 °F).
• In December the blue above Sudbury, Ontario is really dreary having on balance only 1:48 of radiant sunshine daily.
• The weather in December is marginally dry with occasional snow. Only 66.2mm (2.6in) of H2O falls across on average 13 days.
• The average temperature in Sudbury, Ontario is cold at -9.9 °C ( 14.18 °F).
• Afternoons can be cold with average high temperatures reaching -5.6 °C (21.9 °F).
• There are approximately 6:37 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
• It is sunny approximately 21.4% of daylight hours and cloudy 78.6% of daylight hours.

Weather Trend Graph for December in Sudbury, Ontario, canada

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