Sudbury weather in August 2026

Q: How hot is it in Sudbury in August?

Daytime temperatures usually reach 23°C in Sudbury in August, falling to 12°C at night.

Q: How sunny is it in Sudbury in August?

There are normally 8 hours of bright sunshine each day in Sudbury in August - that's 55% of daylight hours.

Q: Does it rain in Sudbury in August?

There are usually 11 days with some rain in Sudbury in August and the average monthly rainfall is 82mm.

Expect daytime maximum temperatures of 73°F in Sudbury, Ontario in August based on long-term weather averages. There are 8 hours of sunshine per day on average with 11 days with some rainfall and typically 3.2 inches of rainfall in the month.

73
73°F max day temperature
8
8 hours of sunshine per day
11
11 days with some rainfall
54
54°F min night temperature
14
14 hours of daylight per day
0
No heat & humidity
3.2
3.2 inches of monthly rainfall
7
7 (High) UV index

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The August weather guide for Ontario (Sudbury) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C) | Imperial (°F)

More about Ontario

How hot is it in Sudbury in August?

Daytime temperatures usually reach 73°F in Sudbury in August, falling to 54°F at night.

How sunny is it in Sudbury in August?

There are normally 8 hours of bright sunshine each day in Sudbury in August - that's 55% of daylight hours.

Does it rain in Sudbury in August?

There are usually 11 days with some rain in Sudbury in August and the average monthly rainfall is 3.2 inches.

Sudbury August sunrise & sunset times

Browse the sunrise and sunset times for Sudbury in August 2026. Select a month to view Sudbury sunrise and sunset times for the next 12 months.

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

Date	Sunrise times	Sunset times
Saturday, 1st August 2026	05:05	19:55
Sunday, 16th August 2026	05:24	19:32
Monday, 31st August 2026	05:43	19:05

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Ontario - quick facts
Flight time^✝	8 hours
Time difference	UK -5 to -6 hours
Language(s)	English, French
Currency	Canadian Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Nature
Tourist info	Destination Ontario