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 -3.8–12.8°C, 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 16.8–19.3°C, 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 15.2–0.5°C, 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–-6.1°C, 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. 5.3°C / Annual rainfall: approx. 846 mm / Summer humidity: 65%–75% / Rainiest month: April
Greater Sudbury monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
-11.3°C
59
February
-9.5°C
55.1
March
-3.8°C
57.5
April
3.6°C
118.6
May
12.8°C
64.4
June
16.8°C
97.1
July
19.3°C
89.4
August
18.1°C
56.5
September
15.2°C
45.2
October
7.7°C
106.1
November
0.5°C
52.7
December
-6.1°C
45.1
Greater Sudbury weather for the next seven days
11/26
Wednesday
Moderate rain
4.6°C/1°C
11/27
Thursday
Overcast
-1.7°C/-3.6°C
11/28
Friday
Overcast
-2.5°C/-6°C
11/29
Saturday
Cloudy
-3.3°C/-8.5°C
11/30
Sunday
Heavy snow
0.7°C/-4.7°C
12/1
Monday
Patchy moderate snow
-5.1°C/-11.1°C
12/2
Tuesday
Light freezing rain
-9.2°C/-13°C
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