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August weather forecast in Borgarnes

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

	775 mmHg		72%
	6 m/s		+13

27 July, Sunday. day, 14°; night, 11°; rain

28 July, mon

	776 mmHg		77%
	5.5 m/s		+12

28 July, Monday. day, 13°; night, 10°; rain

29 July, tue

	776 mmHg		72%
	6.4 m/s		+13

29 July, Tuesday. day, 14°; night, 10°; rain

30 July, wed

	777 mmHg		70%
	6 m/s		+13

30 July, Wednesday. day, 14°; night, 10°; rain

31 July, thu

	778 mmHg		69%
	4.3 m/s		+13

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

1 August, fri

	777 mmHg		69%
	4.1 m/s		+13

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

2 August, sat

	776 mmHg		72%
	5 m/s		+13

2 August, Saturday. day, 14°; night, 10°; overcast

3 August, sun

	775 mmHg		68%
	5.6 m/s		+13

3 August, Sunday. day, 13°; night, 10°; overcast

4 August, mon

	775 mmHg		70%
	6 m/s		+13

4 August, Monday. day, 14°; night, 10°; clear

5 August, tue

	776 mmHg		73%
	5.4 m/s		+12

5 August, Tuesday. day, 13°; night, 10°; partly cloudy

6 August, wed

	776 mmHg		73%
	5.1 m/s		+12

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

7 August, thu

	776 mmHg		75%
	5.4 m/s		+12

7 August, Thursday. day, 13°; night, 10°; rain

8 August, fri

	776 mmHg		76%
	4.9 m/s		+13

8 August, Friday. day, 13°; night, 10°; overcast

9 August, sat

	775 mmHg		75%
	5.1 m/s		+13

9 August, Saturday. day, 12°; night, 10°; overcast

10 August, sun

	775 mmHg		74%
	5.8 m/s		+13

10 August, Sunday. day, 13°; night, 10°; partly cloudy

11 August, mon

	774 mmHg		75%
	6.4 m/s		+12

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

12 August, tue

	773 mmHg		75%
	6 m/s		+12

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

13 August, wed

	772 mmHg		79%
	5.5 m/s		+12

13 August, Wednesday. day, 12°; night, 10°; rain

14 August, thu

	771 mmHg		79%
	5.6 m/s		+12

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

15 August, fri

	771 mmHg		79%
	6 m/s		+12

15 August, Friday. day, 12°; night, 9°; rain

16 August, sat

	774 mmHg		75%
	6.5 m/s		+12

16 August, Saturday. day, 12°; night, 9°; partly cloudy

17 August, sun

	774 mmHg		74%
	5.4 m/s		+12

17 August, Sunday. day, 13°; night, 9°; rain

18 August, mon

	773 mmHg		73%
	5.3 m/s		+12

18 August, Monday. day, 13°; night, 9°; partly cloudy

19 August, tue

	775 mmHg		68%
	5.8 m/s		+12

19 August, Tuesday. day, 12°; night, 8°; rain

20 August, wed

	775 mmHg		70%
	5.9 m/s		+12

20 August, Wednesday. day, 12°; night, 9°; clear

21 August, thu

	776 mmHg		75%
	6 m/s		+12

21 August, Thursday. day, 12°; night, 9°; clear

22 August, fri

	773 mmHg		75%
	5.5 m/s		+12

22 August, Friday. day, 13°; night, 10°; rain

23 August, sat

	771 mmHg		76%
	6.5 m/s		+12

23 August, Saturday. day, 12°; night, 9°; rain

24 August, sun

	771 mmHg		75%
	6.5 m/s		+12

24 August, Sunday. day, 12°; night, 9°; rain

25 August, mon

	770 mmHg		77%
	6.3 m/s		+12

25 August, Monday. day, 11°; night, 9°; rain

26 August, tue

	771 mmHg		76%
	6 m/s		+12

26 August, Tuesday. day, 11°; night, 8°; rain

27 August, wed

	773 mmHg		77%
	6.4 m/s		+11

27 August, Wednesday. day, 10°; night, 7°; clear

28 August, thu

	774 mmHg		76%
	7.5 m/s		+11

28 August, Thursday. day, 10°; night, 8°; overcast

29 August, fri

	772 mmHg		76%
	7.5 m/s		+11

29 August, Friday. day, 10°; night, 8°; clear

30 August, sat

	773 mmHg		80%
	6.5 m/s		+11

30 August, Saturday. day, 10°; night, 8°; rain

31 August, sun

	770 mmHg		81%
	6.9 m/s		+11

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

1 September, mon

	769 mmHg		79%
	6.5 m/s		+11

1 September, Monday. day, 11°; night, 9°; rain

2 September, tue

	770 mmHg		76%
	6.1 m/s		+11

2 September, Tuesday. day, 11°; night, 9°; rain

3 September, wed

	770 mmHg		76%
	5.1 m/s		+11

3 September, Wednesday. day, 11°; night, 8°; partly cloudy

4 September, thu

	773 mmHg		75%
	6.4 m/s		+11

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

5 September, fri

	772 mmHg		81%
	5.5 m/s		+11

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

6 September, sat

	771 mmHg		81%
	8.1 m/s		+11

6 September, Saturday. day, 10°; night, 8°; rain

Average data for 10 years

Borgarnes August

5

sunny days

14

days with precipitation

12

cloudy days

5 sunny days; 14 days with precipitation; 12 cloudy days;

75

%

air humidity

4.4

m/s

WindNE

77

mm of precipitation

(8% of annual average)

+12

°C

Water temperature

air humidity 75%; 77 millimeters of precipitation (8% of annual average); Wind north-easterly 4.4 Meters per second; Water temperature +12°

Weather graphs for August

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

NE

NE

NE

NE

NE

E

NE

N

N

N

E

NE

E

SE

E

NE

NE

NE

N

NE

NE

NE

E

E

E

NW

NE

NE

SE

E

SE

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
Selfoss
Vestmannaeyjar
Akranes
Sejdisfjordur

Cities with similar weather in August

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

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

In August, the weather in Borgarnes is typically warm. Average daily high temperature in August is about 12 degrees above zero. On average, Borgarnes has 14 rainy, 7 cloudy, 5 sunny, and 5 partly cloudy 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 Borgarnes.

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