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Monthly weather forecast in Mariehamn

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

8 December, sun

	740 mmHg		81%
	11.1 m/s		+5

8 December, Sunday. day, 3°; night, 2°; rain

9 December, mon

	740 mmHg		81%
	12.1 m/s		+5

9 December, Monday. day, 4°; night, 3°; rain

10 December, tue

	741 mmHg		77%
	10.1 m/s		+5

10 December, Tuesday. day, 3°; night, 3°; overcast

11 December, wed

	741 mmHg		77%
	11.3 m/s		+5

11 December, Wednesday. day, 3°; night, 2°; rain

12 December, thu

	742 mmHg		76%
	13.1 m/s		+5

12 December, Thursday. day, 3°; night, 2°; rain

13 December, fri

	744 mmHg		75%
	11.1 m/s		+5

13 December, Friday. day, 2°; night, 1°; rain

14 December, sat

	744 mmHg		98%
	9.9 m/s		+1

Climate normal

14 December, Saturday. day, 3°; night, -1°; sleet

15 December, sun

	749 mmHg		85%
	12.6 m/s		+1

Climate normal

15 December, Sunday. day, -1°; night, 0°; sleet

16 December, mon

	742 mmHg		75%
	10.4 m/s		+1

Climate normal

16 December, Monday. day, 4°; night, 2°; partly cloudy

17 December, tue

	745 mmHg		73%
	11.4 m/s		0

Climate normal

17 December, Tuesday. day, 4°; night, 1°; light rain

18 December, wed

	750 mmHg		90%
	8.8 m/s		0

Climate normal

18 December, Wednesday. day, 2°; night, 3°; rain

19 December, thu

	737 mmHg		96%
	9.6 m/s		0

Climate normal

19 December, Thursday. day, 5°; night, 4°; light rain

20 December, fri

	740 mmHg		88%
	10.1 m/s		0

Climate normal

20 December, Friday. day, 3°; night, 1°; light rain

21 December, sat

	747 mmHg		85%
	8.1 m/s		0

Climate normal

21 December, Saturday. day, 1°; night, 0°; sleet

22 December, sun

	746 mmHg		85%
	10.8 m/s		0

Climate normal

22 December, Sunday. day, 2°; night, 2°; rain

23 December, mon

	747 mmHg		89%
	10.3 m/s		+4

Climate normal

23 December, Monday. day, 3°; night, 2°; rain

24 December, tue

	746 mmHg		88%
	16.8 m/s		+2

Climate normal

24 December, Tuesday. day, 3°; night, 0°; overcast

25 December, wed

	753 mmHg		85%
	7.2 m/s		0

Climate normal

25 December, Wednesday. day, 0°; night, 1°; overcast

26 December, thu

	758 mmHg		83%
	15.7 m/s		+4

Climate normal

26 December, Thursday. day, 5°; night, 2°; light snow

27 December, fri

	753 mmHg		83%
	10.3 m/s		+1

Climate normal

27 December, Friday. day, 2°; night, 1°; light snow

28 December, sat

	753 mmHg		75%
	6.7 m/s		0

Climate normal

28 December, Saturday. day, 1°; night, 0°; sleet

29 December, sun

	752 mmHg		84%
	10.9 m/s		0

Climate normal

29 December, Sunday. day, 1°; night, 1°; partly cloudy

30 December, mon

	754 mmHg		84%
	12.1 m/s		0

Climate normal

30 December, Monday. day, 0°; night, 0°; rain

31 December, tue

	761 mmHg		80%
	11.8 m/s		0

Climate normal

31 December, Tuesday. day, -1°; night, -1°; light rain

1 January, wed

	762 mmHg		82%
	11.8 m/s		0

Climate normal

1 January, Wednesday. day, -1°; night, -2°; light rain

2 January, thu

	762 mmHg		85%
	12.8 m/s		0

Climate normal

2 January, Thursday. day, -1°; night, -2°; sleet

3 January, fri

	762 mmHg		82%
	7.5 m/s		0

Climate normal

3 January, Friday. day, -2°; night, -2°; clear

4 January, sat

	766 mmHg		84%
	5.3 m/s		0

Climate normal

4 January, Saturday. day, -2°; night, -3°; rain

5 January, sun

	773 mmHg		87%
	4.1 m/s		0

Climate normal

5 January, Sunday. day, -3°; night, -3°; rain

6 January, mon

	779 mmHg		82%
	7.9 m/s		0

Climate normal

6 January, Monday. day, -3°; night, -5°; rain

7 January, tue

	780 mmHg		89%
	5.3 m/s		+5

Climate normal

7 January, Tuesday. day, 6°; night, 5°; rain

8 January, wed

	772 mmHg		86%
	15.3 m/s		+5

Climate normal

8 January, Wednesday. day, 6°; night, 4°; partly cloudy

9 January, thu

	769 mmHg		88%
	16.4 m/s		+4

Climate normal

9 January, Thursday. day, 5°; night, 4°; light rain

10 January, fri

	762 mmHg		85%
	19.7 m/s		+2

Climate normal

10 January, Friday. day, 3°; night, 1°; light rain

11 January, sat

	753 mmHg		82%
	11.3 m/s		+1

Climate normal

11 January, Saturday. day, 2°; night, 1°; sleet

Average for 30 days

3

sunny days

22

days with precipitation

5

cloudy days

3 sunny days; 22 days with precipitation; 5 cloudy days;

85

%

air humidity

10.7

m/s

WindNE

25

mm of precipitation

(5% of annual average)

+1

°C

Water temperature

air humidity 85%; 25 millimeters of precipitation (5% of annual average); Wind north-easterly 10.7 Meters per second; Water temperature +1°

Forecast in graphs

TemperatureWater temperatureHumidity, %Wind, m/sPressure, mmHg

SW

N

W

W

SE

S

S

NE

E

SE

SW

SW

SW

NE

NE

SE

NE

NE

N

N

NW

NE

NE

NE

E

S

S

S

W

NW

14

Average data for 10 years

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

1

January

2

3

4

5

6

7

8

9

10

11

12

Daytime temperature

Night-time temperature

Weather forecast for the month based on historical data from the last 10 years.

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