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August weather forecast in Grimsi

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%
	6.8 m/s		+10

27 July, Sunday. day, 11°; night, 10°; rain

28 July, mon

	754 mmHg		82%
	6.9 m/s		+10

28 July, Monday. day, 11°; night, 11°; overcast

29 July, tue

	755 mmHg		85%
	7.9 m/s		+10

29 July, Tuesday. day, 10°; night, 9°; rain

30 July, wed

	756 mmHg		83%
	9.3 m/s		+10

30 July, Wednesday. day, 10°; night, 9°; rain

31 July, thu

	756 mmHg		81%
	7.5 m/s		+10

31 July, Thursday. day, 10°; night, 10°; overcast

1 August, fri

	755 mmHg		80%
	8.5 m/s		+10

1 August, Friday. day, 10°; night, 10°; overcast

2 August, sat

	754 mmHg		83%
	8.3 m/s		+10

2 August, Saturday. day, 10°; night, 10°; overcast

3 August, sun

	754 mmHg		81%
	9.1 m/s		+10

3 August, Sunday. day, 10°; night, 9°; overcast

4 August, mon

	754 mmHg		85%
	8.8 m/s		+10

4 August, Monday. day, 10°; night, 9°; rain

5 August, tue

	754 mmHg		85%
	6.8 m/s		+10

5 August, Tuesday. day, 10°; night, 10°; overcast

6 August, wed

	754 mmHg		77%
	7.3 m/s		+10

6 August, Wednesday. day, 11°; night, 10°; clear

7 August, thu

	754 mmHg		80%
	7.5 m/s		+10

7 August, Thursday. day, 11°; night, 10°; overcast

8 August, fri

	753 mmHg		82%
	7.3 m/s		+10

8 August, Friday. day, 10°; night, 10°; overcast

9 August, sat

	752 mmHg		83%
	7 m/s		+10

9 August, Saturday. day, 10°; night, 10°; rain

10 August, sun

	752 mmHg		80%
	8.3 m/s		+10

10 August, Sunday. day, 11°; night, 10°; clear

11 August, mon

	752 mmHg		81%
	9.1 m/s		+10

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

12 August, tue

	751 mmHg		77%
	7.8 m/s		+10

12 August, Tuesday. day, 11°; night, 10°; overcast

13 August, wed

	750 mmHg		76%
	8.3 m/s		+10

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

14 August, thu

	749 mmHg		81%
	8.3 m/s		+10

14 August, Thursday. day, 11°; night, 11°; rain

15 August, fri

	749 mmHg		82%
	7.5 m/s		+10

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

16 August, sat

	752 mmHg		77%
	7 m/s		+10

16 August, Saturday. day, 10°; night, 11°; overcast

17 August, sun

	753 mmHg		80%
	8.1 m/s		+10

17 August, Sunday. day, 11°; night, 10°; overcast

18 August, mon

	752 mmHg		81%
	9.6 m/s		+10

18 August, Monday. day, 11°; night, 9°; overcast

19 August, tue

	753 mmHg		82%
	10.1 m/s		+9

19 August, Tuesday. day, 9°; night, 9°; rain

20 August, wed

	753 mmHg		81%
	9.3 m/s		+9

20 August, Wednesday. day, 10°; night, 10°; overcast

21 August, thu

	753 mmHg		77%
	8.6 m/s		+9

21 August, Thursday. day, 11°; night, 10°; rain

22 August, fri

	752 mmHg		81%
	9.1 m/s		+9

22 August, Friday. day, 11°; night, 10°; overcast

23 August, sat

	750 mmHg		82%
	8.1 m/s		+9

23 August, Saturday. day, 11°; night, 10°; rain

24 August, sun

	750 mmHg		82%
	7.5 m/s		+9

24 August, Sunday. day, 10°; night, 9°; rain

25 August, mon

	748 mmHg		80%
	7.9 m/s		+9

25 August, Monday. day, 10°; night, 9°; rain

26 August, tue

	748 mmHg		81%
	8.8 m/s		+9

26 August, Tuesday. day, 10°; night, 10°; rain

27 August, wed

	750 mmHg		80%
	10.3 m/s		+9

27 August, Wednesday. day, 9°; night, 8°; rain

28 August, thu

	751 mmHg		81%
	9.1 m/s		+9

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

29 August, fri

	749 mmHg		76%
	10.6 m/s		+9

29 August, Friday. day, 9°; night, 9°; rain

30 August, sat

	750 mmHg		80%
	10 m/s		+9

30 August, Saturday. day, 9°; night, 10°; clear

31 August, sun

	748 mmHg		80%
	8.6 m/s		+9

31 August, Sunday. day, 10°; night, 10°; clear

1 September, mon

	746 mmHg		77%
	8.8 m/s		+9

1 September, Monday. day, 10°; night, 10°; overcast

2 September, tue

	747 mmHg		80%
	9.3 m/s		+9

2 September, Tuesday. day, 10°; night, 9°; overcast

3 September, wed

	748 mmHg		81%
	8.1 m/s		+9

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

4 September, thu

	749 mmHg		75%
	8.3 m/s		+9

4 September, Thursday. day, 10°; night, 10°; rain

5 September, fri

	749 mmHg		77%
	8.6 m/s		+8

5 September, Friday. day, 11°; night, 10°; overcast

6 September, sat

	748 mmHg		77%
	10 m/s		+9

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

Average data for 10 years

Grimsi August

4

sunny days

14

days with precipitation

13

cloudy days

4 sunny days; 14 days with precipitation; 13 cloudy days;

81

%

air humidity

6.5

m/s

WindNE

63

mm of precipitation

(8% of annual average)

+10

°C

Water temperature

air humidity 81%; 63 millimeters of precipitation (8% of annual average); Wind north-easterly 6.5 Meters per second; Water temperature +10°

Weather graphs for August

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

E

E

NE

NE

E

NE

NE

N

NW

N

NE

E

E

E

N

NW

NE

NE

N

NE

E

E

E

NE

E

N

N

N

W

N

E

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

Reykyavik
Torshavn
Akureyri
Isafjordur
Jan Mayen
Vestmannaeyjar
Selfoss
Keflavík
Sejdisfjordur

Cities with similar weather in August

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

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

August in Grimsi is the warmest month of the year. In August, the weather in Grimsi is typically warm. Average daily high temperature in August is about 10 degrees above zero. On average, Grimsi has 14 rainy, 13 cloudy, and 4 sunny days in August. The rains are usually moderate. August as well as January, February, March, and April is considered the most uncomfortable time to visit Grimsi.

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