Sudbury weather

Usually in March
- 1
- -10
- 5
Weather by month
Now Today
- 1
- 12
5-day forecast

Viator: Free cancellation on experiences & activities

Sale

Book tours, activities & experiences with free cancellation
Receive full refund if you cancel at least 24 hours before
Use 'Reserve Now & Pay Later' to secure activities today

Go to Viator deal >>

View all Viator offers

Tour & activity finder

Destination

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.

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]

Change the criteria to reflect your weather preferences.

0
Jan
0.5
Feb
1
Mar
1.5
Apr
2
May
4
Jun
4.5
Jul
4
Aug
1.5
Sep
0.5
Oct
0
Nov
0
Dec

Change criteria

Max Day Temperature (°C)

-7
Jan
-6
Feb
1
Mar
9
Apr
17
May
22
Jun
25
Jul
23
Aug
18
Sep
12
Oct
3
Nov
-5
Dec

Hours of Sunshine (daily)

3
Jan
4
Feb
5
Mar
6
Apr
7
May
8
Jun
9
Jul
8
Aug
5
Sep
4
Oct
2
Nov
2
Dec

Best time to go for the weather

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

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

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 iVisa.com^*.

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)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

-7

-6

-5