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August weather forecast in Greater Sudbury

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

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

Sun

Sunday

Mon

Monday

Tue

Tuesday

Wed

Wednesday

Thu

Thursday

Fri

Friday

Sat

Saturday

27 July, sun

	732 mmHg		68%
	5.8 m/s

27 July, Sunday. day, 22°; night, 16°; partly cloudy

28 July, mon

	734 mmHg		66%
	5.5 m/s

28 July, Monday. day, 22°; night, 16°; partly cloudy

29 July, tue

	735 mmHg		63%
	4.9 m/s

29 July, Tuesday. day, 22°; night, 15°; partly cloudy

30 July, wed

	733 mmHg		70%
	4.9 m/s

30 July, Wednesday. day, 22°; night, 15°; rain

31 July, thu

	733 mmHg		70%
	4.8 m/s

31 July, Thursday. day, 23°; night, 16°; clear

1 August, fri

	733 mmHg		75%
	5 m/s

1 August, Friday. day, 21°; night, 16°; rain

2 August, sat

	733 mmHg		75%
	5.5 m/s

2 August, Saturday. day, 21°; night, 16°; rain

3 August, sun

	733 mmHg		72%
	5.6 m/s

3 August, Sunday. day, 22°; night, 16°; partly cloudy

4 August, mon

	734 mmHg		66%
	6.1 m/s

4 August, Monday. day, 22°; night, 16°; clear

5 August, tue

	733 mmHg		67%
	5.5 m/s

5 August, Tuesday. day, 21°; night, 17°; partly cloudy

6 August, wed

	734 mmHg		68%
	4.9 m/s

6 August, Wednesday. day, 21°; night, 15°; partly cloudy

7 August, thu

	734 mmHg		68%
	4.5 m/s

7 August, Thursday. day, 22°; night, 15°; rain

8 August, fri

	734 mmHg		67%
	4.6 m/s

8 August, Friday. day, 22°; night, 15°; rain

9 August, sat

	734 mmHg		69%
	5 m/s

9 August, Saturday. day, 21°; night, 16°; rain

10 August, sun

	734 mmHg		72%
	5.4 m/s

10 August, Sunday. day, 22°; night, 16°; rain

11 August, mon

	733 mmHg		74%
	5.3 m/s

11 August, Monday. day, 21°; night, 16°; rain

12 August, tue

	733 mmHg		76%
	5.6 m/s

12 August, Tuesday. day, 19°; night, 16°; rain

13 August, wed

	734 mmHg		75%
	4.9 m/s

13 August, Wednesday. day, 20°; night, 15°; rain

14 August, thu

	734 mmHg		69%
	4.9 m/s

14 August, Thursday. day, 22°; night, 15°; rain

15 August, fri

	735 mmHg		69%
	5.1 m/s

15 August, Friday. day, 22°; night, 16°; clear

16 August, sat

	735 mmHg		73%
	6 m/s

16 August, Saturday. day, 21°; night, 17°; clear

17 August, sun

	733 mmHg		74%
	6 m/s

17 August, Sunday. day, 21°; night, 15°; clear

18 August, mon

	733 mmHg		69%
	5.3 m/s

18 August, Monday. day, 21°; night, 15°; rain

19 August, tue

	733 mmHg		72%
	5.4 m/s

19 August, Tuesday. day, 21°; night, 16°; rain

20 August, wed

	733 mmHg		73%
	5.9 m/s

20 August, Wednesday. day, 21°; night, 15°; rain

21 August, thu

	734 mmHg		74%
	5.6 m/s

21 August, Thursday. day, 20°; night, 16°; rain

22 August, fri

	736 mmHg		69%
	5.5 m/s

22 August, Friday. day, 21°; night, 14°; clear

23 August, sat

	736 mmHg		74%
	5 m/s

23 August, Saturday. day, 21°; night, 16°; clear

24 August, sun

	735 mmHg		75%
	6.9 m/s

24 August, Sunday. day, 20°; night, 15°; clear

25 August, mon

	737 mmHg		67%
	5.5 m/s

25 August, Monday. day, 21°; night, 15°; partly cloudy

26 August, tue

	737 mmHg		63%
	4.4 m/s

26 August, Tuesday. day, 21°; night, 14°; clear

27 August, wed

	737 mmHg		68%
	4.9 m/s

27 August, Wednesday. day, 21°; night, 15°; partly cloudy

28 August, thu

	736 mmHg		73%
	5.4 m/s

28 August, Thursday. day, 21°; night, 15°; clear

29 August, fri

	736 mmHg		75%
	5 m/s

29 August, Friday. day, 22°; night, 15°; clear

30 August, sat

	736 mmHg		74%
	5.3 m/s

30 August, Saturday. day, 21°; night, 14°; clear

31 August, sun

	736 mmHg		70%
	5.3 m/s

31 August, Sunday. day, 22°; night, 15°; partly cloudy

1 September, mon

	735 mmHg		73%
	4.9 m/s

1 September, Monday. day, 21°; night, 16°; partly cloudy

2 September, tue

	735 mmHg		67%
	4.5 m/s

2 September, Tuesday. day, 21°; night, 14°; clear

3 September, wed

	733 mmHg		72%
	5.1 m/s

3 September, Wednesday. day, 20°; night, 15°; partly cloudy

4 September, thu

	736 mmHg		68%
	5 m/s

4 September, Thursday. day, 17°; night, 13°; clear

5 September, fri

	736 mmHg		75%
	5 m/s

5 September, Friday. day, 19°; night, 12°; rain

6 September, sat

	735 mmHg		73%
	5 m/s

6 September, Saturday. day, 20°; night, 14°; partly cloudy

Average data for 10 years

Greater Sudbury August

11

sunny days

14

days with precipitation

6

cloudy days

11 sunny days; 14 days with precipitation; 6 cloudy days;

70

%

air humidity

3.9

m/s

WindW

68

mm of precipitation

(9% of annual average)

air humidity 70%; 68 millimeters of precipitation (9% of annual average); Wind westerly 3.9 Meters per second

Weather graphs for August

TemperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

W

W

W

W

W

W

W

W

W

N

N

W

W

W

SW

SW

SW

SW

SW

SW

W

SW

SW

SW

W

W

S

SW

W

W

SW

1

Average data for 10 years

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

Daytime temperature

Night-time temperature

Cities near you

Toronto
London
Burlington
Hamilton
Brampton
Niagara Falls
Niagara Falls
Waterloo
Vaughan

Cities with similar weather in August

Brussels
Geneva
Gyumri
Lima
Bern
Calgary
Bremen
Luxembourg
Dortmund

The weather forecast for August 2025 is based on historical data from the past 10 years.

August in Greater Sudbury is the rainiest month of the year. In August, the weather in Greater Sudbury is typically warm. Average daily high temperature in August is about 21 degrees above zero. On average, Greater Sudbury has 14 rainy, 11 sunny, and 6 partly cloudy days in August. The rains are usually moderate.

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