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August weather forecast in Gananoque

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

	749 mmHg		78%
	4 m/s

27 July, Sunday. day, 25°; night, 18°; rain

28 July, mon

	749 mmHg		77%
	4 m/s

28 July, Monday. day, 25°; night, 18°; rain

29 July, tue

	749 mmHg		75%
	3.8 m/s

29 July, Tuesday. day, 25°; night, 18°; clear

30 July, wed

	750 mmHg		73%
	3.7 m/s

30 July, Wednesday. day, 25°; night, 17°; clear

31 July, thu

	751 mmHg		76%
	3.8 m/s

31 July, Thursday. day, 25°; night, 18°; rain

1 August, fri

	750 mmHg		76%
	3.7 m/s

1 August, Friday. day, 26°; night, 18°; rain

2 August, sat

	750 mmHg		77%
	4 m/s

2 August, Saturday. day, 26°; night, 19°; clear

3 August, sun

	750 mmHg		78%
	3.9 m/s

3 August, Sunday. day, 25°; night, 19°; rain

4 August, mon

	750 mmHg		77%
	3.8 m/s

4 August, Monday. day, 25°; night, 19°; rain

5 August, tue

	750 mmHg		75%
	3.8 m/s

5 August, Tuesday. day, 25°; night, 18°; clear

6 August, wed

	751 mmHg		74%
	4 m/s

6 August, Wednesday. day, 24°; night, 17°; clear

7 August, thu

	750 mmHg		76%
	3.8 m/s

7 August, Thursday. day, 24°; night, 17°; clear

8 August, fri

	750 mmHg		77%
	3.9 m/s

8 August, Friday. day, 25°; night, 18°; rain

9 August, sat

	750 mmHg		77%
	4.19 m/s

9 August, Saturday. day, 25°; night, 18°; rain

10 August, sun

	749 mmHg		77%
	4 m/s

10 August, Sunday. day, 25°; night, 18°; partly cloudy

11 August, mon

	749 mmHg		77%
	3.8 m/s

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

12 August, tue

	750 mmHg		76%
	4.1 m/s

12 August, Tuesday. day, 24°; night, 18°; partly cloudy

13 August, wed

	750 mmHg		78%
	3.6 m/s

13 August, Wednesday. day, 25°; night, 17°; rain

14 August, thu

	750 mmHg		75%
	3.5 m/s

14 August, Thursday. day, 24°; night, 18°; partly cloudy

15 August, fri

	751 mmHg		76%
	3.6 m/s

15 August, Friday. day, 25°; night, 17°; rain

16 August, sat

	751 mmHg		76%
	4.1 m/s

16 August, Saturday. day, 25°; night, 18°; clear

17 August, sun

	751 mmHg		77%
	4.19 m/s

17 August, Sunday. day, 24°; night, 18°; rain

18 August, mon

	750 mmHg		77%
	4.1 m/s

18 August, Monday. day, 24°; night, 17°; rain

19 August, tue

	751 mmHg		76%
	3.9 m/s

19 August, Tuesday. day, 24°; night, 16°; clear

20 August, wed

	751 mmHg		75%
	4 m/s

20 August, Wednesday. day, 23°; night, 16°; partly cloudy

21 August, thu

	751 mmHg		79%
	4 m/s

21 August, Thursday. day, 24°; night, 17°; rain

22 August, fri

	751 mmHg		78%
	3.9 m/s

22 August, Friday. day, 23°; night, 17°; overcast

23 August, sat

	751 mmHg		78%
	3.9 m/s

23 August, Saturday. day, 23°; night, 16°; rain

24 August, sun

	752 mmHg		76%
	3.9 m/s

24 August, Sunday. day, 23°; night, 16°; clear

25 August, mon

	752 mmHg		77%
	4 m/s

25 August, Monday. day, 24°; night, 16°; clear

26 August, tue

	752 mmHg		77%
	3.9 m/s

26 August, Tuesday. day, 24°; night, 17°; partly cloudy

27 August, wed

	752 mmHg		78%
	3.8 m/s

27 August, Wednesday. day, 23°; night, 16°; partly cloudy

28 August, thu

	751 mmHg		77%
	4 m/s

28 August, Thursday. day, 23°; night, 17°; overcast

29 August, fri

	751 mmHg		79%
	4.19 m/s

29 August, Friday. day, 23°; night, 16°; overcast

30 August, sat

	751 mmHg		78%
	4.19 m/s

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

31 August, sun

	752 mmHg		78%
	4.1 m/s

31 August, Sunday. day, 23°; night, 16°; clear

1 September, mon

	753 mmHg		77%
	3.7 m/s

1 September, Monday. day, 23°; night, 16°; clear

2 September, tue

	752 mmHg		78%
	4 m/s

2 September, Tuesday. day, 23°; night, 16°; clear

3 September, wed

	751 mmHg		79%
	4.1 m/s

3 September, Wednesday. day, 23°; night, 16°; clear

4 September, thu

	751 mmHg		78%
	4.1 m/s

4 September, Thursday. day, 23°; night, 16°; clear

5 September, fri

	753 mmHg		76%
	4.19 m/s

5 September, Friday. day, 22°; night, 15°; clear

6 September, sat

	753 mmHg		78%
	4.1 m/s

6 September, Saturday. day, 23°; night, 15°; clear

Average data for 10 years

Gananoque August

10

sunny days

12

days with precipitation

5

cloudy days

10 sunny days; 12 days with precipitation; 5 cloudy days;

77

%

air humidity

2.7

m/s

WindS

94

mm of precipitation

(9% of annual average)

air humidity 77%; 94 millimeters of precipitation (9% of annual average); Wind southerly 2.7 Meters per second

Weather graphs for August

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

SW

SW

SW

S

S

SW

SW

SW

S

SW

SW

S

S

SW

S

S

S

SW

S

S

S

SW

S

S

S

SW

S

S

S

SW

SW

1

Average data for 10 years

2

3

4

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9

10

11

12

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31

Daytime temperature

Night-time temperature

Cities near you

Toronto
Ottawa
Montreal
Colchester
Brooklyn
Burlington
Laval
Lake George
Buffalo

Cities with similar weather in August

Lisbon
Rio de Janeiro
Porto
Genoa
Santa Cruz de Tenerife
Funchal
Boston
Playa de las Americas
Port Louis

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

In August, the weather in Gananoque is typically warm. Average daily high temperature in August is about 24 degrees above zero. On average, Gananoque has 12 rainy, 10 sunny, 6 partly cloudy, and 3 cloudy days in August. The rains are usually heavy.

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