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August weather forecast in Banff

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

	603 mmHg		63%
	3.3 m/s

27 July, Sunday. day, 18°; night, 4°; clear

28 July, mon

	603 mmHg		64%
	3.3 m/s

28 July, Monday. day, 18°; night, 4°; clear

29 July, tue

	603 mmHg		64%
	3.3 m/s

29 July, Tuesday. day, 18°; night, 5°; clear

30 July, wed

	603 mmHg		63%
	3.6 m/s

30 July, Wednesday. day, 18°; night, 5°; clear

31 July, thu

	603 mmHg		64%
	3.2 m/s

31 July, Thursday. day, 18°; night, 4°; clear

1 August, fri

	603 mmHg		65%
	3.4 m/s

1 August, Friday. day, 18°; night, 4°; rain

2 August, sat

	603 mmHg		66%
	3.1 m/s

2 August, Saturday. day, 18°; night, 4°; partly cloudy

3 August, sun

	603 mmHg		67%
	3.2 m/s

3 August, Sunday. day, 18°; night, 4°; rain

4 August, mon

	603 mmHg		69%
	3 m/s

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

5 August, tue

	603 mmHg		68%
	3 m/s

5 August, Tuesday. day, 17°; night, 4°; rain

6 August, wed

	602 mmHg		67%
	3.2 m/s

6 August, Wednesday. day, 17°; night, 5°; rain

7 August, thu

	602 mmHg		68%
	3.4 m/s

7 August, Thursday. day, 17°; night, 4°; rain

8 August, fri

	602 mmHg		70%
	3 m/s

8 August, Friday. day, 17°; night, 4°; rain

9 August, sat

	603 mmHg		69%
	3 m/s

9 August, Saturday. day, 17°; night, 3°; rain

10 August, sun

	603 mmHg		68%
	3 m/s

10 August, Sunday. day, 17°; night, 4°; rain

11 August, mon

	602 mmHg		71%
	3 m/s

11 August, Monday. day, 16°; night, 4°; rain

12 August, tue

	603 mmHg		69%
	3 m/s

12 August, Tuesday. day, 16°; night, 4°; rain

13 August, wed

	603 mmHg		64%
	3.3 m/s

13 August, Wednesday. day, 17°; night, 4°; clear

14 August, thu

	603 mmHg		64%
	3.5 m/s

14 August, Thursday. day, 17°; night, 4°; clear

15 August, fri

	603 mmHg		66%
	3.2 m/s

15 August, Friday. day, 17°; night, 4°; partly cloudy

16 August, sat

	603 mmHg		69%
	3 m/s

16 August, Saturday. day, 16°; night, 4°; rain

17 August, sun

	602 mmHg		69%
	3.3 m/s

17 August, Sunday. day, 16°; night, 3°; rain

18 August, mon

	602 mmHg		65%
	3.6 m/s

18 August, Monday. day, 17°; night, 3°; clear

19 August, tue

	601 mmHg		63%
	3.6 m/s

19 August, Tuesday. day, 17°; night, 3°; clear

20 August, wed

	601 mmHg		67%
	3.4 m/s

20 August, Wednesday. day, 16°; night, 3°; overcast

21 August, thu

	601 mmHg		66%
	3.6 m/s

21 August, Thursday. day, 16°; night, 3°; partly cloudy

22 August, fri

	601 mmHg		66%
	3.5 m/s

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

23 August, sat

	601 mmHg		68%
	3.3 m/s

23 August, Saturday. day, 15°; night, 3°; rain

24 August, sun

	601 mmHg		70%
	3.5 m/s

24 August, Sunday. day, 14°; night, 2°; overcast

25 August, mon

	601 mmHg		69%
	3.4 m/s

25 August, Monday. day, 14°; night, 2°; clear

26 August, tue

	601 mmHg		65%
	3.5 m/s

26 August, Tuesday. day, 15°; night, 2°; clear

27 August, wed

	601 mmHg		64%
	3.5 m/s

27 August, Wednesday. day, 15°; night, 3°; clear

28 August, thu

	602 mmHg		64%
	3.5 m/s

28 August, Thursday. day, 15°; night, 2°; clear

29 August, fri

	601 mmHg		66%
	3.5 m/s

29 August, Friday. day, 16°; night, 2°; clear

30 August, sat

	600 mmHg		70%
	3.4 m/s

30 August, Saturday. day, 15°; night, 2°; rain

31 August, sun

	600 mmHg		72%
	3.6 m/s

31 August, Sunday. day, 14°; night, 2°; partly cloudy

1 September, mon

	600 mmHg		69%
	3.9 m/s

1 September, Monday. day, 13°; night, 2°; rain

2 September, tue

	600 mmHg		70%
	3.7 m/s

2 September, Tuesday. day, 13°; night, 1°; clear

3 September, wed

	601 mmHg		68%
	3.5 m/s

3 September, Wednesday. day, 14°; night, 2°; rain

4 September, thu

	601 mmHg		70%
	3.3 m/s

4 September, Thursday. day, 13°; night, 1°; clear

5 September, fri

	601 mmHg		70%
	3.1 m/s

5 September, Friday. day, 13°; night, 1°; rain

6 September, sat

	601 mmHg		70%
	3 m/s

6 September, Saturday. day, 13°; night, 1°; rain

Average data for 10 years

Banff August

9

sunny days

15

days with precipitation

6

cloudy days

9 sunny days; 15 days with precipitation; 6 cloudy days;

67

%

air humidity

1.8

m/s

WindSW

84

mm of precipitation

(11% of annual average)

air humidity 67%; 84 millimeters of precipitation (11% of annual average); Wind south-westerly 1.8 Meters per second

Weather graphs for August

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

S

S

S

S

S

SW

SW

S

S

SW

SW

SW

SW

SW

SW

S

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

SW

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

Calgary
Edmonton
Spokane
Lake Louise
Brooks
Canmore
Bonners Ferry
Kalispell
Jasper

Cities with similar weather in August

Cholpon-Ata
Reykyavik
Dublin
Buenos Aires
Santiago
Melbourne
Wellington
Auckland
Capetown

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

In August, the weather in Banff is typically warm. Average daily high temperature in August is about 16 degrees above zero. On average, Banff has 15 rainy, 9 sunny, 5 partly cloudy, and 2 cloudy days in August. The rains are usually heavy. August as well as January, February, June, and July is considered the most uncomfortable time to visit Banff.

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