Sudbury Climate: Weather by Month and Best Time to Visit

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

Year at a glance

7° 3° J 7° 3° F 10° 4° M 13° 6° A 16° 8° M 19° 11° J 21° 14° J 21° 14° A 18° 11° S 14° 9° O 10° 5° N 7° 3° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 7°C3°C50 mm 11– – 5.2
February 7°C3°C41 mm 9– – 5.5
March 10°C4°C40 mm 10– – 5.8
April 13°C6°C45 mm 11– – 6.1
May 16°C8°C52 mm 10– – 6.7
June 19°C11°C56 mm 11– – 7.1
July 21°C14°C56 mm 12– – 7.4
August 21°C14°C61 mm 11– – 7.5
September 18°C11°C48 mm 9– – 7.3
October 14°C9°C57 mm 11– – 6.4
November 10°C5°C55 mm 10– – 5.8
December 7°C3°C54 mm 11– – 5.3