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.

Best time to visit Sudbury

Q: When is the best time to visit Sudbury?

The best time to visit Sudbury is July based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

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Sudbury by month

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

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When is the best time to visit Sudbury?

The best time to visit 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 visit

Destination

Daytime temperature

Sunshine hours

Sea temperature

Monthly rainfall

Days with some rain

Heat & humidity

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.

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