Climate Insights for Sudbury

The climate in Sudbury is cool. The average annual temperature is 5°C and approximately 927 mm of precipitation falls per year. Sudbury receives a notable amount of rainfall throughout the year, including during its driest month. Sudbury is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to -15°C. Sudbury experiences heavy snowfall, typically from January through December.The climate in Sudbury is cool. The average annual temperature is 41°F and approximately 36.5 in of precipitation falls per year. Sudbury receives a notable amount of rainfall throughout the year, including during its driest month. Sudbury is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, August, June. The coldest months are January, February, December, when temperatures can drop to 5°F. Sudbury experiences heavy snowfall, typically from January through December.

Sudbury has a wide annual temperature range, spanning 41°C from the coldest to warmest months. The warmest month is July, when average highs reach 26°C and the mean temperature sits around 20°C. The coldest month is January, when overnight lows fall to -15°C and the daily average is -10°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 9°C shift in average temperatures.Sudbury has a wide annual temperature range, spanning 74°F from the coldest to warmest months. The warmest month is July, when average highs reach 79°F and the mean temperature sits around 67°F. The coldest month is January, when overnight lows fall to 5°F and the daily average is 13°F. On average, daily temperatures fluctuate by about 19°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 16°F shift in average temperatures.

Sudbury is a moderately rainy area, receiving approximately 927 mm of precipitation annually, which averages out to around 77 mm per month. The wettest month is October, averaging 111 mm of rainfall. April and June also tend to see above-average precipitation. The driest month is January, with just 53 mm. That's 58 mm less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Sudbury receives heavy snowfall, accumulating around 241cm annually from January through December. The snowiest month is February, with approximately 49cm. Winter travel should account for significant snow cover.Sudbury is a moderately rainy area, receiving approximately 36.5 in of precipitation annually, which averages out to around 3 in per month. The wettest month is October, averaging 4.4 in of rainfall. April and June also tend to see above-average precipitation. The driest month is January, with just 2.1 in. That's 2.3 in less than October, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Sudbury receives heavy snowfall, accumulating around 95in annually from January through December. The snowiest month is February, with approximately 19in. Winter travel should account for significant snow cover.

Sudbury is relatively calm, with an average annual wind speed of 12km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is March, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Sudbury is mildly breezy, with an average annual wind speed of 7mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is March, averaging 8mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, with average winds dropping to 6mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

The best time to visit Sudbury is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 18°C with modest rainfall averaging 88 mm per month. By contrast, January can be quite cold with temperatures dropping to -15°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Sudbury is during June, July and August, when the weather is most comfortable for travellers. During these months, average temperatures hover around 65°F with modest rainfall averaging 3.5 in per month. By contrast, January can be quite cold with temperatures dropping to 5°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Sudbury based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Sudbury based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.