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Greater Sudbury

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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

4/16
Thursday
Moderate rain
11.8°C/2.7°C
4/17
Friday
Fog
12°C/6.1°C
4/18
Saturday
Heavy rain
8.5°C/-1.1°C
4/19
Sunday
Light freezing rain
2°C/-3.5°C
4/20
Monday
Partly Cloudy
5°C/-6°C
4/21
Tuesday
Patchy rain nearby
11°C/-1.8°C
4/22
Wednesday
Light snow
3.1°C/-1.8°C

Greater Sudbury Frequently Asked Questions and Useful Information for Travel

Is Greater Sudbury worth visiting?

Greater Sudbury is absolutely worth visiting, especially for outdoor enthusiasts. The region boasts over 330 lakes and nearly 200 kilometers of formalized hiking trails that wind through spectacular scenery, offering a deep connection with nature and history.

What airlines fly to Greater Sudbury?

The Greater Sudbury Airport, a key hub in Northern Ontario, is served by major airlines including Air Canada, Bearskin Airlines, Porter Airlines, and Sunwing Airlines, making it accessible for travelers.

What is Greater Sudbury known for?

Greater Sudbury is renowned as a city of lakes, home to 330 distinct bodies of water, including Lake Wanapitei, the world's largest lake situated within a city.

Why do people visit Greater Sudbury?

People are drawn to Greater Sudbury for its vibrant festival and event scene, making it a premier destination in Northern Ontario. The city celebrates art, music, and food with unique, world-class events held year-round.

What outdoor activities can I enjoy in Greater Sudbury?

You can immerse yourself in the great outdoors in Greater Sudbury with extensive hiking trails and numerous lakes perfect for water activities. Explore the natural beauty and discover hidden gems on over 200 kilometers of trails that showcase the region's landscapes.