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August weather forecast in Sundsvall

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

	748 mmHg		76%
	3.7 m/s

27 July, Sunday. day, 21°; night, 12°; overcast

28 July, mon

	748 mmHg		75%
	4.1 m/s

28 July, Monday. day, 21°; night, 11°; partly cloudy

29 July, tue

	747 mmHg		74%
	4.1 m/s

29 July, Tuesday. day, 21°; night, 12°; partly cloudy

30 July, wed

	747 mmHg		77%
	4 m/s

30 July, Wednesday. day, 20°; night, 11°; rain

31 July, thu

	746 mmHg		76%
	4 m/s

31 July, Thursday. day, 20°; night, 11°; rain

1 August, fri

	748 mmHg		75%
	4.19 m/s

1 August, Friday. day, 20°; night, 11°; rain

2 August, sat

	748 mmHg		75%
	3.9 m/s

2 August, Saturday. day, 20°; night, 10°; rain

3 August, sun

	748 mmHg		77%
	4 m/s

3 August, Sunday. day, 20°; night, 10°; partly cloudy

4 August, mon

	748 mmHg		77%
	4 m/s

4 August, Monday. day, 19°; night, 11°; rain

5 August, tue

	749 mmHg		77%
	3.7 m/s

5 August, Tuesday. day, 20°; night, 11°; partly cloudy

6 August, wed

	749 mmHg		78%
	3.9 m/s

6 August, Wednesday. day, 20°; night, 10°; partly cloudy

7 August, thu

	748 mmHg		78%
	4.19 m/s

7 August, Thursday. day, 20°; night, 10°; rain

8 August, fri

	747 mmHg		76%
	4.69 m/s

8 August, Friday. day, 20°; night, 11°; rain

9 August, sat

	748 mmHg		78%
	4.4 m/s

9 August, Saturday. day, 19°; night, 11°; overcast

10 August, sun

	748 mmHg		76%
	4.19 m/s

10 August, Sunday. day, 19°; night, 10°; rain

11 August, mon

	748 mmHg		76%
	4.1 m/s

11 August, Monday. day, 19°; night, 10°; rain

12 August, tue

	748 mmHg		77%
	4.1 m/s

12 August, Tuesday. day, 19°; night, 10°; overcast

13 August, wed

	747 mmHg		77%
	4 m/s

13 August, Wednesday. day, 19°; night, 10°; clear

14 August, thu

	747 mmHg		77%
	4 m/s

14 August, Thursday. day, 19°; night, 9°; clear

15 August, fri

	748 mmHg		76%
	4.3 m/s

15 August, Friday. day, 19°; night, 9°; clear

16 August, sat

	747 mmHg		77%
	4.19 m/s

16 August, Saturday. day, 19°; night, 9°; clear

17 August, sun

	747 mmHg		76%
	4.3 m/s

17 August, Sunday. day, 19°; night, 9°; partly cloudy

18 August, mon

	747 mmHg		79%
	4.3 m/s

18 August, Monday. day, 19°; night, 9°; rain

19 August, tue

	747 mmHg		78%
	3.9 m/s

19 August, Tuesday. day, 19°; night, 10°; clear

20 August, wed

	748 mmHg		78%
	4.1 m/s

20 August, Wednesday. day, 19°; night, 10°; partly cloudy

21 August, thu

	748 mmHg		79%
	3.9 m/s

21 August, Thursday. day, 19°; night, 10°; partly cloudy

22 August, fri

	748 mmHg		79%
	4.1 m/s

22 August, Friday. day, 18°; night, 9°; rain

23 August, sat

	748 mmHg		79%
	3.9 m/s

23 August, Saturday. day, 18°; night, 9°; clear

24 August, sun

	748 mmHg		80%
	4 m/s

24 August, Sunday. day, 17°; night, 8°; partly cloudy

25 August, mon

	747 mmHg		79%
	4.3 m/s

25 August, Monday. day, 18°; night, 8°; partly cloudy

26 August, tue

	747 mmHg		82%
	4.6 m/s

26 August, Tuesday. day, 17°; night, 9°; rain

27 August, wed

	746 mmHg		83%
	4.9 m/s

27 August, Wednesday. day, 16°; night, 9°; rain

28 August, thu

	747 mmHg		81%
	4.69 m/s

28 August, Thursday. day, 16°; night, 8°; rain

29 August, fri

	748 mmHg		80%
	4.1 m/s

29 August, Friday. day, 17°; night, 8°; partly cloudy

30 August, sat

	748 mmHg		81%
	4 m/s

30 August, Saturday. day, 16°; night, 8°; partly cloudy

31 August, sun

	749 mmHg		82%
	4.1 m/s

31 August, Sunday. day, 16°; night, 8°; rain

1 September, mon

	750 mmHg		80%
	4.19 m/s

1 September, Monday. day, 16°; night, 7°; rain

2 September, tue

	750 mmHg		81%
	4.1 m/s

2 September, Tuesday. day, 16°; night, 7°; partly cloudy

3 September, wed

	750 mmHg		80%
	4.4 m/s

3 September, Wednesday. day, 16°; night, 7°; partly cloudy

4 September, thu

	749 mmHg		79%
	4.3 m/s

4 September, Thursday. day, 16°; night, 7°; clear

5 September, fri

	749 mmHg		79%
	4.19 m/s

5 September, Friday. day, 17°; night, 8°; clear

6 September, sat

	749 mmHg		78%
	4.3 m/s

6 September, Saturday. day, 16°; night, 7°; clear

Average data for 10 years

Sundsvall August

6

sunny days

13

days with precipitation

9

cloudy days

6 sunny days; 13 days with precipitation; 9 cloudy days;

78

%

air humidity

2.9

m/s

WindSW

86

mm of precipitation

(13% of annual average)

air humidity 78%; 86 millimeters of precipitation (13% of annual average); Wind south-westerly 2.9 Meters per second

Weather graphs for August

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

SW

S

S

S

S

S

S

SW

S

SW

SW

SW

S

SW

SW

S

S

S

S

S

SW

SW

SW

SW

S

S

S

SW

S

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

Stockholm
Umeå
Uppsala
Avesta
Östersund
Sandviken
Osteraker
Sodertalje
Örebro

Cities with similar weather in August

Tallinn
Oslo
Altay
Ulan Bator
Looe
Ridder
Gudauri
Bergen
Anchorage

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

In August, the weather in Sundsvall is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Sundsvall has 13 rainy, 10 partly cloudy, 6 sunny, and 2 cloudy days in August. The rains are usually heavy.

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