Greater Sudbury Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Greater Sudbury year round climate
Spring (March–May): Average -38–55°F, the climate gradually changes from cold to warm. April has the most rainfall and is prone to dampness. Common activities: Hiking, flower viewing. Recommended clothing: Warm jacket, comfortable long pants, rain gear.
Summer (June–August): Average 62–66°F, the climate is warm and humid with occasional showers. Common activities: Camping, hiking, water activities. Recommended clothing: Light and breathable clothing, sun hat.
Autumn (September–November): Average 59–32°F, the climate changes from mild to cool. October has more rainfall. Common activities: Maple leaf viewing, picking. Recommended clothing: Warm jacket, long-sleeved clothing.
Winter (December–February): Average -11.3–-43.0°F, the climate is cold and dry with moderate snowfall. Common activities: Skiing, snowshoeing. Recommended clothing: Heavy warm coat, hat, gloves, scarf.
Greater Sudbury climatological average
Annual average temperature: approx. 41.5°F / Annual rainfall: approx. 846 mm / Summer humidity: 65%–75% / Rainiest month: April
Greater Sudbury monthly average temperature and precipitation
Month
Air temperature (°F)
Precipitation (mm)
January
11.7°F
59
February
14.9°F
55.1
March
25.2°F
57.5
April
38.5°F
118.6
May
55°F
64.4
June
62.2°F
97.1
July
66.7°F
89.4
August
64.6°F
56.5
September
59.4°F
45.2
October
45.9°F
106.1
November
32.9°F
52.7
December
21°F
45.1
Greater Sudbury weather for the next seven days
11/26
Wednesday
Moderate rain
40.3°F/33.8°F
11/27
Thursday
Overcast
28.9°F/25.5°F
11/28
Friday
Overcast
27.5°F/21.3°F
11/29
Saturday
Cloudy
26°F/16.7°F
11/30
Sunday
Heavy snow
33.2°F/23.5°F
12/1
Monday
Patchy moderate snow
22.8°F/12.1°F
12/2
Tuesday
Light freezing rain
15.4°F/8.7°F
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