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August weather forecast in Harstad

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

	753 mmHg		86%
	5.6 m/s		+13

27 July, Sunday. day, 13°; night, 11°; partly cloudy

28 July, mon

	754 mmHg		85%
	5.8 m/s		+13

28 July, Monday. day, 13°; night, 11°; clear

29 July, tue

	754 mmHg		84%
	5.6 m/s		+13

29 July, Tuesday. day, 13°; night, 11°; clear

30 July, wed

	753 mmHg		83%
	5.5 m/s		+13

30 July, Wednesday. day, 14°; night, 11°; clear

31 July, thu

	752 mmHg		83%
	5.6 m/s		+12

31 July, Thursday. day, 14°; night, 11°; clear

1 August, fri

	753 mmHg		83%
	5.7 m/s		+12

1 August, Friday. day, 13°; night, 11°; partly cloudy

2 August, sat

	754 mmHg		84%
	5.4 m/s		+12

2 August, Saturday. day, 13°; night, 11°; rain

3 August, sun

	754 mmHg		82%
	5.1 m/s		+13

3 August, Sunday. day, 13°; night, 11°; partly cloudy

4 August, mon

	754 mmHg		81%
	5.2 m/s		+13

4 August, Monday. day, 13°; night, 11°; clear

5 August, tue

	754 mmHg		82%
	5.3 m/s		+13

5 August, Tuesday. day, 14°; night, 11°; clear

6 August, wed

	754 mmHg		83%
	5.2 m/s		+13

6 August, Wednesday. day, 14°; night, 11°; rain

7 August, thu

	754 mmHg		82%
	5.5 m/s		+13

7 August, Thursday. day, 14°; night, 11°; partly cloudy

8 August, fri

	753 mmHg		82%
	5.3 m/s		+13

8 August, Friday. day, 14°; night, 11°; overcast

9 August, sat

	754 mmHg		82%
	6 m/s		+13

9 August, Saturday. day, 13°; night, 11°; rain

10 August, sun

	754 mmHg		81%
	5.6 m/s		+12

10 August, Sunday. day, 13°; night, 11°; rain

11 August, mon

	753 mmHg		82%
	5.3 m/s		+13

11 August, Monday. day, 13°; night, 11°; overcast

12 August, tue

	753 mmHg		82%
	5.2 m/s		+12

12 August, Tuesday. day, 13°; night, 11°; overcast

13 August, wed

	752 mmHg		82%
	5.3 m/s		+12

13 August, Wednesday. day, 13°; night, 11°; rain

14 August, thu

	752 mmHg		81%
	5.5 m/s		+12

14 August, Thursday. day, 12°; night, 10°; rain

15 August, fri

	753 mmHg		80%
	5.8 m/s		+12

15 August, Friday. day, 13°; night, 10°; clear

16 August, sat

	752 mmHg		81%
	5.8 m/s		+12

16 August, Saturday. day, 13°; night, 11°; overcast

17 August, sun

	752 mmHg		82%
	5.9 m/s		+12

17 August, Sunday. day, 12°; night, 10°; partly cloudy

18 August, mon

	752 mmHg		80%
	6.2 m/s		+12

18 August, Monday. day, 13°; night, 10°; rain

19 August, tue

	752 mmHg		82%
	5.8 m/s		+12

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

20 August, wed

	752 mmHg		83%
	5.7 m/s		+12

20 August, Wednesday. day, 13°; night, 10°; rain

21 August, thu

	752 mmHg		83%
	5.6 m/s		+13

21 August, Thursday. day, 12°; night, 10°; rain

22 August, fri

	752 mmHg		83%
	5.8 m/s		+12

22 August, Friday. day, 12°; night, 10°; rain

23 August, sat

	753 mmHg		83%
	6 m/s		+12

23 August, Saturday. day, 12°; night, 10°; rain

24 August, sun

	753 mmHg		83%
	5.8 m/s		+12

24 August, Sunday. day, 12°; night, 10°; partly cloudy

25 August, mon

	752 mmHg		81%
	6.1 m/s		+12

25 August, Monday. day, 12°; night, 10°; clear

26 August, tue

	752 mmHg		82%
	6.4 m/s		+12

26 August, Tuesday. day, 12°; night, 10°; partly cloudy

27 August, wed

	752 mmHg		82%
	6.7 m/s		+12

27 August, Wednesday. day, 12°; night, 10°; partly cloudy

28 August, thu

	752 mmHg		81%
	6.5 m/s		+12

28 August, Thursday. day, 12°; night, 10°; rain

29 August, fri

	751 mmHg		81%
	6.1 m/s		+12

29 August, Friday. day, 12°; night, 10°; rain

30 August, sat

	752 mmHg		82%
	6.4 m/s		+11

30 August, Saturday. day, 12°; night, 10°; rain

31 August, sun

	754 mmHg		82%
	6.5 m/s		+11

31 August, Sunday. day, 11°; night, 9°; rain

1 September, mon

	755 mmHg		80%
	6 m/s		+11

1 September, Monday. day, 11°; night, 9°; partly cloudy

2 September, tue

	753 mmHg		80%
	6.3 m/s		+11

2 September, Tuesday. day, 12°; night, 10°; partly cloudy

3 September, wed

	753 mmHg		81%
	7.2 m/s		+11

3 September, Wednesday. day, 12°; night, 9°; rain

4 September, thu

	753 mmHg		82%
	6.9 m/s		+11

4 September, Thursday. day, 11°; night, 9°; rain

5 September, fri

	753 mmHg		83%
	6.7 m/s		+11

5 September, Friday. day, 11°; night, 9°; rain

6 September, sat

	752 mmHg		82%
	6.7 m/s		+11

6 September, Saturday. day, 11°; night, 9°; rain

Average data for 10 years

Harstad August

4

sunny days

16

days with precipitation

14

cloudy days

4 sunny days; 16 days with precipitation; 14 cloudy days;

82

%

air humidity

4.1

m/s

WindS

112

mm of precipitation

(9% of annual average)

+12

°C

Water temperature

air humidity 82%; 112 millimeters of precipitation (9% of annual average); Wind southerly 4.1 Meters per second; Water temperature +12°

Weather graphs for August

TemperatureWater temperaturePrecipitation chance, %Humidity, %Wind, m/sPressure, mmHg

S

S

S

SE

SE

S

SE

S

S

SE

S

S

S

S

SE

SE

SE

S

S

SE

SE

S

S

SE

SE

SE

SE

SE

SE

S

S

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

Tromsø
Bodø
Östersund
Andenes
Narvik
Svolver
Kiruna
Stokmarknes
Lycksele

Cities with similar weather in August

Cholpon-Ata
Sydney
Reykyavik
Oslo
Dublin
Buenos Aires
Melbourne
Wellington
Auckland

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

August in Harstad is the warmest month of the year. In August, the weather in Harstad is typically warm. Average daily high temperature in August is about 13 degrees above zero. On average, Harstad has 16 rainy, 7 partly cloudy, 4 sunny, and 4 cloudy days in August. The rains are usually heavy. August as well as April, May, June, and July is considered the most uncomfortable time to visit Harstad.

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