Sudbury weather

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Recommended for Ontario

The weather guide for Ontario (Sudbury) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.

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Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

When is the best time to go to Sudbury?

The best time to go to Sudbury is July based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

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Max Day Temperature (°C)

  • -7°C maximum daytime temperature in January in Sudbury-7
  • -6°C maximum daytime temperature in February in Sudbury-6
  • 1°C maximum daytime temperature in March in Sudbury1
  • 9°C maximum daytime temperature in April in Sudbury9
  • 17°C maximum daytime temperature in May in Sudbury17
  • 22°C maximum daytime temperature in June in Sudbury22
  • 25°C maximum daytime temperature in July in Sudbury25
  • 23°C maximum daytime temperature in August in Sudbury23
  • 18°C maximum daytime temperature in September in Sudbury18
  • 12°C maximum daytime temperature in October in Sudbury12
  • 3°C maximum daytime temperature in November in Sudbury3
  • -5°C maximum daytime temperature in December in Sudbury-5

Hours of Sunshine (daily)

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  • Feb
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Metric (°C / mm)  |  Imperial (°F / inches)

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More about Canada

Which is the hottest month in Sudbury?

The hottest time of year in Sudbury is normally July. Expect maximum daytime temperatures to reach 25°C with no heat and humidity.

Which month has the most rain in Sudbury?

In terms of rainfall, September is usually the wettest month in Sudbury with 97mm on average. There are normally 12 days in September with some rain.

When is it sunniest in Sudbury?

The sunniest time of year in Sudbury is normally July with bright sunshine on average for 61% of daylight hours; that's 9 hours of sunshine per day.

What is the flight time to Ontario from the UK?

The flight time to Ontario from the UK is typically 8 hours.

What is the time difference between Ontario and the UK?

The time difference between Ontario and the UK is GMT-5 to GMT-6 hours.

What is the main language spoken in Ontario?

The main languages spoken in Ontario are English and French.

Learn a language for Ontario with Busuu*, Lingoda* and Mondly*.

What is the currency in Ontario?

The currency in Ontario is the Canadian Dollar (CAD).

Send money to Ontario with XE Money Transfers*.

Which plugs are used in Ontario?

Ontario uses electrical plug type A + B (120 Volts).

Which side of the road do they drive on in Ontario?

They drive on the right side of the road in Ontario.

Do you need a visa for Ontario?

Yes, UK passport holders do need a visa to enter Ontario.

Check Canada visa requirements for all passport holders with VisaHQ* and*.

Compare Sudbury weather with the USA

Below the Sudbury weather chart shows average maximum daytime temperature for Sudbury, Ontario, Canada and the USA (Washington).

Maximum daytime temperature (°C)

Sudbury, Ontario, Canada
USA (Washington)

Metric (°C / mm)  |  Imperial (°F / inches)

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