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August weather forecast in Helena

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

	668 mmHg		44%
	5 m/s

27 July, Sunday. day, 23°; night, 15°; partly cloudy

28 July, mon

	668 mmHg		43%
	4.8 m/s

28 July, Monday. day, 24°; night, 17°; clear

29 July, tue

	668 mmHg		31%
	4 m/s

29 July, Tuesday. day, 26°; night, 19°; clear

30 July, wed

	667 mmHg		33%
	4.9 m/s

30 July, Wednesday. day, 26°; night, 17°; clear

31 July, thu

	666 mmHg		36%
	5.1 m/s

31 July, Thursday. day, 25°; night, 17°; clear

1 August, fri

	667 mmHg		36%
	4.6 m/s

1 August, Friday. day, 25°; night, 17°; clear

2 August, sat

	666 mmHg		37%
	4.8 m/s

2 August, Saturday. day, 25°; night, 16°; partly cloudy

3 August, sun

	667 mmHg		43%
	5 m/s

3 August, Sunday. day, 22°; night, 15°; clear

4 August, mon

	668 mmHg		46%
	3.9 m/s

4 August, Monday. day, 22°; night, 16°; partly cloudy

5 August, tue

	666 mmHg		37%
	4.6 m/s

5 August, Tuesday. day, 25°; night, 17°; clear

6 August, wed

	666 mmHg		38%
	4.5 m/s

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

7 August, thu

	666 mmHg		41%
	5 m/s

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

8 August, fri

	667 mmHg		47%
	3.7 m/s

8 August, Friday. day, 23°; night, 16°; rain

9 August, sat

	667 mmHg		43%
	4.1 m/s

9 August, Saturday. day, 24°; night, 16°; clear

10 August, sun

	667 mmHg		40%
	5 m/s

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

11 August, mon

	667 mmHg		38%
	5 m/s

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

12 August, tue

	667 mmHg		49%
	4.3 m/s

12 August, Tuesday. day, 23°; night, 15°; clear

13 August, wed

	666 mmHg		46%
	4.5 m/s

13 August, Wednesday. day, 23°; night, 16°; clear

14 August, thu

	667 mmHg		40%
	5.4 m/s

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

15 August, fri

	668 mmHg		44%
	4.8 m/s

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

16 August, sat

	668 mmHg		40%
	4.5 m/s

16 August, Saturday. day, 24°; night, 17°; clear

17 August, sun

	666 mmHg		36%
	5.3 m/s

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

18 August, mon

	665 mmHg		37%
	5.5 m/s

18 August, Monday. day, 24°; night, 15°; clear

19 August, tue

	666 mmHg		37%
	4.6 m/s

19 August, Tuesday. day, 24°; night, 16°; partly cloudy

20 August, wed

	665 mmHg		34%
	5.1 m/s

20 August, Wednesday. day, 24°; night, 16°; clear

21 August, thu

	666 mmHg		49%
	5 m/s

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

22 August, fri

	666 mmHg		43%
	5.4 m/s

22 August, Friday. day, 21°; night, 15°; partly cloudy

23 August, sat

	667 mmHg		40%
	4.5 m/s

23 August, Saturday. day, 22°; night, 17°; clear

24 August, sun

	667 mmHg		34%
	4 m/s

24 August, Sunday. day, 23°; night, 17°; clear

25 August, mon

	666 mmHg		28%
	4.5 m/s

25 August, Monday. day, 25°; night, 17°; clear

26 August, tue

	667 mmHg		30%
	5 m/s

26 August, Tuesday. day, 23°; night, 16°; clear

27 August, wed

	666 mmHg		33%
	5.1 m/s

27 August, Wednesday. day, 23°; night, 17°; clear

28 August, thu

	666 mmHg		40%
	4.5 m/s

28 August, Thursday. day, 23°; night, 16°; rain

29 August, fri

	665 mmHg		40%
	4.9 m/s

29 August, Friday. day, 22°; night, 14°; partly cloudy

30 August, sat

	665 mmHg		43%
	4.6 m/s

30 August, Saturday. day, 20°; night, 14°; clear

31 August, sun

	665 mmHg		46%
	5 m/s

31 August, Sunday. day, 20°; night, 13°; clear

1 September, mon

	666 mmHg		41%
	5.5 m/s

1 September, Monday. day, 21°; night, 14°; clear

2 September, tue

	667 mmHg		38%
	5 m/s

2 September, Tuesday. day, 19°; night, 12°; partly cloudy

3 September, wed

	667 mmHg		43%
	4.3 m/s

3 September, Wednesday. day, 19°; night, 12°; partly cloudy

4 September, thu

	667 mmHg		49%
	4.3 m/s

4 September, Thursday. day, 16°; night, 11°; rain

5 September, fri

	667 mmHg		43%
	4.5 m/s

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

6 September, sat

	667 mmHg		46%
	4.5 m/s

6 September, Saturday. day, 18°; night, 11°; clear

Average data for 10 years

Helena August

22

sunny days

3

days with precipitation

6

cloudy days

22 sunny days; 3 days with precipitation; 6 cloudy days;

40

%

air humidity

3.2

m/s

WindW

31

mm of precipitation

(6% of annual average)

air humidity 40%; 31 millimeters of precipitation (6% of annual average); Wind westerly 3.2 Meters per second

Weather graphs for August

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

NW

NW

NW

S

W

NW

W

SW

SW

W

W

W

NW

NW

NW

NW

NW

W

W

W

W

W

W

W

W

W

W

SW

W

W

W

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

West Yellowstone
Bozeman
Jackson
Missoula
Billings
Medicine Hat
Idaho Falls
Big Sky
Brooks

Cities with similar weather in August

Paris
Almaty
Munich
Dusseldorf
Cologne
Altay
Bern
Bonn
Nantes

The weather forecast for August 2024 is based on historical data from the past 10 years.

August in Helena is the sunniest month of the year. In August, the weather in Helena is typically warm. Average daily high temperature in August is about 23 degrees above zero. On average, Helena has 22 sunny, 6 partly cloudy, and 3 rainy days in August. The rains are usually light. August as well as July is considered the most comfortable time to visit Helena.

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