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August weather forecast in Hamilton

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

	734 mmHg		73%
	4.5 m/s

27 July, Sunday. day, 26°; night, 17°; rain

28 July, mon

	734 mmHg		73%
	4.5 m/s

28 July, Monday. day, 26°; night, 17°; rain

29 July, tue

	735 mmHg		71%
	4.5 m/s

29 July, Tuesday. day, 26°; night, 17°; rain

30 July, wed

	735 mmHg		71%
	3.8 m/s

30 July, Wednesday. day, 26°; night, 16°; clear

31 July, thu

	736 mmHg		72%
	3.8 m/s

31 July, Thursday. day, 26°; night, 16°; clear

1 August, fri

	735 mmHg		72%
	4 m/s

1 August, Friday. day, 27°; night, 17°; rain

2 August, sat

	735 mmHg		72%
	4.1 m/s

2 August, Saturday. day, 26°; night, 17°; partly cloudy

3 August, sun

	735 mmHg		73%
	4.1 m/s

3 August, Sunday. day, 26°; night, 17°; overcast

4 August, mon

	735 mmHg		73%
	3.9 m/s

4 August, Monday. day, 26°; night, 17°; rain

5 August, tue

	736 mmHg		71%
	4.1 m/s

5 August, Tuesday. day, 25°; night, 16°; clear

6 August, wed

	736 mmHg		71%
	4.4 m/s

6 August, Wednesday. day, 25°; night, 16°; clear

7 August, thu

	735 mmHg		73%
	4 m/s

7 August, Thursday. day, 25°; night, 16°; rain

8 August, fri

	735 mmHg		73%
	4.19 m/s

8 August, Friday. day, 26°; night, 17°; rain

9 August, sat

	735 mmHg		72%
	4.3 m/s

9 August, Saturday. day, 26°; night, 16°; clear

10 August, sun

	734 mmHg		74%
	4.1 m/s

10 August, Sunday. day, 25°; night, 17°; rain

11 August, mon

	734 mmHg		73%
	4.19 m/s

11 August, Monday. day, 25°; night, 16°; partly cloudy

12 August, tue

	735 mmHg		73%
	4.3 m/s

12 August, Tuesday. day, 25°; night, 16°; rain

13 August, wed

	735 mmHg		73%
	3.9 m/s

13 August, Wednesday. day, 25°; night, 16°; clear

14 August, thu

	735 mmHg		72%
	3.8 m/s

14 August, Thursday. day, 25°; night, 16°; partly cloudy

15 August, fri

	736 mmHg		73%
	3.9 m/s

15 August, Friday. day, 25°; night, 16°; rain

16 August, sat

	736 mmHg		73%
	4.4 m/s

16 August, Saturday. day, 25°; night, 16°; rain

17 August, sun

	736 mmHg		74%
	4.6 m/s

17 August, Sunday. day, 25°; night, 16°; partly cloudy

18 August, mon

	735 mmHg		74%
	4.19 m/s

18 August, Monday. day, 25°; night, 16°; rain

19 August, tue

	736 mmHg		74%
	4 m/s

19 August, Tuesday. day, 24°; night, 15°; clear

20 August, wed

	736 mmHg		75%
	4.3 m/s

20 August, Wednesday. day, 24°; night, 15°; partly cloudy

21 August, thu

	736 mmHg		75%
	4.4 m/s

21 August, Thursday. day, 24°; night, 16°; partly cloudy

22 August, fri

	736 mmHg		74%
	4.1 m/s

22 August, Friday. day, 24°; night, 15°; clear

23 August, sat

	736 mmHg		73%
	4.3 m/s

23 August, Saturday. day, 24°; night, 15°; clear

24 August, sun

	737 mmHg		73%
	4.19 m/s

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

25 August, mon

	736 mmHg		75%
	4.19 m/s

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

26 August, tue

	736 mmHg		77%
	4.19 m/s

26 August, Tuesday. day, 24°; night, 16°; rain

27 August, wed

	736 mmHg		78%
	4.19 m/s

27 August, Wednesday. day, 24°; night, 16°; rain

28 August, thu

	736 mmHg		77%
	4.3 m/s

28 August, Thursday. day, 24°; night, 16°; partly cloudy

29 August, fri

	735 mmHg		76%
	4.4 m/s

29 August, Friday. day, 25°; night, 15°; overcast

30 August, sat

	736 mmHg		74%
	4.3 m/s

30 August, Saturday. day, 24°; night, 15°; clear

31 August, sun

	737 mmHg		73%
	4.3 m/s

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

1 September, mon

	737 mmHg		74%
	3.9 m/s

1 September, Monday. day, 24°; night, 14°; clear

2 September, tue

	737 mmHg		75%
	4.19 m/s

2 September, Tuesday. day, 24°; night, 15°; clear

3 September, wed

	736 mmHg		75%
	4.1 m/s

3 September, Wednesday. day, 25°; night, 15°; clear

4 September, thu

	736 mmHg		74%
	4.6 m/s

4 September, Thursday. day, 24°; night, 15°; clear

5 September, fri

	737 mmHg		75%
	4.4 m/s

5 September, Friday. day, 23°; night, 14°; clear

6 September, sat

	737 mmHg		75%
	4.1 m/s

6 September, Saturday. day, 24°; night, 14°; clear

Average data for 10 years

Hamilton August

10

sunny days

11

days with precipitation

4

cloudy days

10 sunny days; 11 days with precipitation; 4 cloudy days;

74

%

air humidity

2.8

m/s

WindSW

73

mm of precipitation

(8% of annual average)

air humidity 74%; 73 millimeters of precipitation (8% of annual average); Wind south-westerly 2.8 Meters per second

Weather graphs for August

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

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

S

S

SW

SW

SW

SW

S

SW

S

S

SW

SW

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
Detroit
Pittsburgh
Cleveland
Macedonia
Burlington
Buffalo
Milan
London

Cities with similar weather in August

Lisbon
Rio de Janeiro
Genoa
Funchal
Boston
Marseilles
San Diego
Playa de las Americas
Montreal

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

In August, the weather in Hamilton is typically warm. Average daily high temperature in August is about 25 degrees above zero. On average, Hamilton has 11 rainy, 10 sunny, 8 partly cloudy, and 2 cloudy days in August. The rains are usually moderate.

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