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August weather forecast in Kotka

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

	759 mmHg		75%
	4.5 m/s		+19

27 July, Sunday. day, 21°; night, 15°; clear

28 July, mon

	759 mmHg		77%
	4.69 m/s		+19

28 July, Monday. day, 21°; night, 15°; rain

29 July, tue

	757 mmHg		79%
	5.3 m/s		+19

29 July, Tuesday. day, 21°; night, 15°; overcast

30 July, wed

	758 mmHg		78%
	5.2 m/s		+19

30 July, Wednesday. day, 20°; night, 15°; rain

31 July, thu

	758 mmHg		78%
	5 m/s		+19

31 July, Thursday. day, 20°; night, 14°; rain

1 August, fri

	759 mmHg		77%
	4.69 m/s		+19

1 August, Friday. day, 20°; night, 14°; partly cloudy

2 August, sat

	759 mmHg		77%
	4.69 m/s		+18

2 August, Saturday. day, 20°; night, 14°; partly cloudy

3 August, sun

	759 mmHg		76%
	4.5 m/s		+18

3 August, Sunday. day, 20°; night, 14°; clear

4 August, mon

	759 mmHg		76%
	4.9 m/s		+18

4 August, Monday. day, 20°; night, 14°; rain

5 August, tue

	760 mmHg		75%
	4.5 m/s		+18

5 August, Tuesday. day, 20°; night, 14°; partly cloudy

6 August, wed

	760 mmHg		78%
	4.8 m/s		+19

6 August, Wednesday. day, 20°; night, 14°; clear

7 August, thu

	759 mmHg		76%
	4.9 m/s		+19

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

8 August, fri

	759 mmHg		77%
	4.8 m/s		+19

8 August, Friday. day, 21°; night, 14°; rain

9 August, sat

	759 mmHg		76%
	4.8 m/s		+19

9 August, Saturday. day, 20°; night, 14°; partly cloudy

10 August, sun

	760 mmHg		76%
	5.1 m/s		+18

10 August, Sunday. day, 20°; night, 14°; clear

11 August, mon

	760 mmHg		77%
	4.8 m/s		+18

11 August, Monday. day, 20°; night, 14°; partly cloudy

12 August, tue

	759 mmHg		78%
	4.69 m/s		+18

12 August, Tuesday. day, 19°; night, 13°; rain

13 August, wed

	758 mmHg		77%
	4.9 m/s		+18

13 August, Wednesday. day, 19°; night, 13°; partly cloudy

14 August, thu

	758 mmHg		78%
	5 m/s		+18

14 August, Thursday. day, 19°; night, 13°; partly cloudy

15 August, fri

	758 mmHg		77%
	5.1 m/s		+18

15 August, Friday. day, 20°; night, 13°; partly cloudy

16 August, sat

	758 mmHg		79%
	4.8 m/s		+17

16 August, Saturday. day, 19°; night, 13°; rain

17 August, sun

	758 mmHg		79%
	4.9 m/s		+17

17 August, Sunday. day, 20°; night, 13°; partly cloudy

18 August, mon

	759 mmHg		78%
	5 m/s		+17

18 August, Monday. day, 20°; night, 13°; clear

19 August, tue

	759 mmHg		78%
	5.2 m/s		+17

19 August, Tuesday. day, 19°; night, 13°; clear

20 August, wed

	760 mmHg		78%
	4.9 m/s		+17

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

21 August, thu

	760 mmHg		80%
	4.69 m/s		+17

21 August, Thursday. day, 19°; night, 13°; rain

22 August, fri

	759 mmHg		81%
	5.2 m/s		+17

22 August, Friday. day, 19°; night, 13°; rain

23 August, sat

	759 mmHg		81%
	5.3 m/s		+17

23 August, Saturday. day, 18°; night, 13°; rain

24 August, sun

	759 mmHg		81%
	5 m/s		+17

24 August, Sunday. day, 18°; night, 12°; overcast

25 August, mon

	759 mmHg		81%
	4.9 m/s		+17

25 August, Monday. day, 18°; night, 12°; rain

26 August, tue

	758 mmHg		81%
	5 m/s		+17

26 August, Tuesday. day, 18°; night, 12°; rain

27 August, wed

	758 mmHg		80%
	5 m/s		+17

27 August, Wednesday. day, 18°; night, 12°; partly cloudy

28 August, thu

	758 mmHg		83%
	5.2 m/s		+17

28 August, Thursday. day, 18°; night, 12°; rain

29 August, fri

	759 mmHg		81%
	5.2 m/s		+17

29 August, Friday. day, 17°; night, 12°; rain

30 August, sat

	759 mmHg		81%
	5.4 m/s		+16

30 August, Saturday. day, 17°; night, 12°; rain

31 August, sun

	760 mmHg		80%
	5.4 m/s		+16

31 August, Sunday. day, 16°; night, 11°; overcast

1 September, mon

	761 mmHg		80%
	5.3 m/s		+16

1 September, Monday. day, 16°; night, 10°; partly cloudy

2 September, tue

	761 mmHg		81%
	5.2 m/s		+16

2 September, Tuesday. day, 16°; night, 10°; partly cloudy

3 September, wed

	761 mmHg		82%
	5.4 m/s		+16

3 September, Wednesday. day, 17°; night, 11°; rain

4 September, thu

	761 mmHg		81%
	5.2 m/s		+16

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

5 September, fri

	761 mmHg		80%
	5 m/s		+16

5 September, Friday. day, 17°; night, 10°; partly cloudy

6 September, sat

	761 mmHg		80%
	5 m/s		+16

6 September, Saturday. day, 16°; night, 10°; partly cloudy

Average data for 10 years

Kotka August

7

sunny days

12

days with precipitation

8

cloudy days

7 sunny days; 12 days with precipitation; 8 cloudy days;

79

%

air humidity

3.7

m/s

WindS

72

mm of precipitation

(11% of annual average)

+18

°C

Water temperature

air humidity 79%; 72 millimeters of precipitation (11% of annual average); Wind southerly 3.7 Meters per second; Water temperature +18°

Weather graphs for August

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

S

S

S

S

SW

S

S

SW

S

S

S

SW

S

S

S

S

S

S

SW

S

S

SW

S

S

S

S

S

S

S

SE

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

Saint Petersburg
Pskov
Sortavala
Tallinn
Helsinki
Vyborg
Gdov
Ust'-Luga
Sovetskiy

Cities with similar weather in August

Riga
Stockholm
Oslo
Yurmala
Palanga
Copenhagen
Gdansk
Looe
Klaipeda

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

In August, the weather in Kotka is typically warm. Average daily high temperature in August is about 19 degrees above zero. On average, Kotka has 12 rainy, 10 partly cloudy, 7 sunny, and 2 cloudy days in August. The rains are usually moderate.

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