When to go · Sudbury
Sudbury, month by month
The best months for Sudbury: Feb, Mar, Jun, Jul, Aug, Sep. Months to avoid: Jan, Apr, May, Nov, Dec.
Month by month
- JanuaryAvoidListed as a month to avoid: Nov–Apr if you dislike cold and snow; blackfly season late May–Jun.-7.8 °C (18 °F) / -17.5 °C (1 °F), 12 rain days18 °F (-7.8 °C) / 1 °F (-17.5 °C), 12 rain daysCrowds: Low
- FebruaryGreatInside Sudbury's best window: Jun–Sep (warm, long days); Feb–Mar for snow and winter trails.-5.9 °C (21 °F) / -16.3 °C (3 °F), 10 rain days21 °F (-5.9 °C) / 3 °F (-16.3 °C), 10 rain daysCrowds: Low
- MarchGreatInside Sudbury's best window: Jun–Sep (warm, long days); Feb–Mar for snow and winter trails.0.5 °C (33 °F) / -10.2 °C (14 °F), 10 rain days33 °F (0.5 °C) / 14 °F (-10.2 °C), 10 rain daysCrowds: Low
- AprilAvoidListed as a month to avoid: Nov–Apr if you dislike cold and snow; blackfly season late May–Jun.8.6 °C (47 °F) / -2 °C (28 °F), 10 rain days47 °F (8.6 °C) / 28 °F (-2 °C), 10 rain daysCrowds: Low
- MayAvoidListed as a month to avoid: Nov–Apr if you dislike cold and snow; blackfly season late May–Jun.17.4 °C (63 °F) / 5.3 °C (42 °F), 11 rain days63 °F (17.4 °C) / 42 °F (5.3 °C), 11 rain daysCrowds: Medium
- JuneGreatInside Sudbury's best window: Jun–Sep (warm, long days); Feb–Mar for snow and winter trails.22.6 °C (73 °F) / 11 °C (52 °F), 11 rain days73 °F (22.6 °C) / 52 °F (11 °C), 11 rain daysCrowds: Medium · 1 festival or holiday
- JulyGreatInside Sudbury's best window: Jun–Sep (warm, long days); Feb–Mar for snow and winter trails.25 °C (77 °F) / 13.4 °C (56 °F), 11 rain days77 °F (25 °C) / 56 °F (13.4 °C), 11 rain daysCrowds: High · 1 festival or holiday
- AugustGreatInside Sudbury's best window: Jun–Sep (warm, long days); Feb–Mar for snow and winter trails.23.5 °C (74 °F) / 12.5 °C (55 °F), 11 rain days74 °F (23.5 °C) / 55 °F (12.5 °C), 11 rain daysCrowds: High
- SeptemberGreatInside Sudbury's best window: Jun–Sep (warm, long days); Feb–Mar for snow and winter trails.18.6 °C (65 °F) / 8.1 °C (47 °F), 12 rain days65 °F (18.6 °C) / 47 °F (8.1 °C), 12 rain daysCrowds: Medium
- OctoberGoodOutside the best window (Jun–Sep (warm, long days); Feb–Mar for snow and winter trails). Across Canada: Foliage in Ontario, Québec and the Maritimes early in the month; mountain roads get snow.10.6 °C (51 °F) / 1.9 °C (35 °F), 13 rain days51 °F (10.6 °C) / 35 °F (1.9 °C), 13 rain daysCrowds: Medium
- NovemberAvoidListed as a month to avoid: Nov–Apr if you dislike cold and snow; blackfly season late May–Jun.2.9 °C (37 °F) / -4.4 °C (24 °F), 13 rain days37 °F (2.9 °C) / 24 °F (-4.4 °C), 13 rain daysCrowds: Low
- DecemberAvoidListed as a month to avoid: Nov–Apr if you dislike cold and snow; blackfly season late May–Jun.-3.9 °C (25 °F) / -11.7 °C (11 °F), 13 rain days25 °F (-3.9 °C) / 11 °F (-11.7 °C), 13 rain daysCrowds: Medium · 1 festival or holiday
Compare two months
Weather, crowds and prices for any two months in Sudbury, side by side.
Verdict
Feb: Great
Mar: Great
Daytime high
Feb: -5.9 °C (21 °F)21 °F (-5.9 °C)
Mar: 0.5 °C (33 °F)33 °F (0.5 °C)
Night low
Feb: -16.3 °C (3 °F)3 °F (-16.3 °C)
Mar: -10.2 °C (14 °F)14 °F (-10.2 °C)
Rain days
Feb: 10
Mar: 10
Crowds
Feb: Low
Mar: Low
Prices
Feb: Medium
Mar: Low
Festivals listed
Feb: 0
Mar: 0
February: Inside Sudbury's best window: Jun–Sep (warm, long days); Feb–Mar for snow and winter trails.
March: Inside Sudbury's best window: Jun–Sep (warm, long days); Feb–Mar for snow and winter trails.
Sudbury: figures are long-term averages from this guide, not a forecast.