Greater Sudbury Climate: Weather by Month and Best Time to Visit

Best months for Greater Sudbury: June, July, August.

Year at a glance

-7° -17° J -5° -15° F 2° -9° M 10° -1° A 18° 6° M 23° 11° J 25° 14° J 24° 13° A 19° 9° S 11° 3° O 3° -4° N -3° -12° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -7°C-17°C53 mm 11– – 3.7
February -5°C-15°C42 mm 8– – 4.1
March 2°C-9°C49 mm 8– – 4.0
April 10°C-1°C70 mm 10– – 5.6
May 18°C6°C72 mm 11– – 7.1
June 23°C11°C82 mm 11– – 7.7
July 25°C14°C87 mm 11– – 7.6
August 24°C13°C91 mm 11– – 7.5
September 19°C9°C91 mm 11– – 7.1
October 11°C3°C94 mm 12– – 5.6
November 3°C-4°C73 mm 11– – 4.2
December -3°C-12°C59 mm 11– – 3.6