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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
17
+6
+5
17 November, sun
+6
+5
Feels like
−2
741 mmHg
80%
10.8
m/s
SW
+7
17 November, Sunday. day, 6°; night, 5°; overcast
18
November
+4
0
18 November, mon
+4
0
Feels like
−3
740 mmHg
79%
5.2
m/s
W
+6
Climate normal
+5
+5
18 November, Monday. day, 4°; night, 0°; sleet
19
+2
0
19 November, tue
+2
0
Feels like
−4
746 mmHg
80%
3.4
m/s
NW
+5
Climate normal
+5
+4
19 November, Tuesday. day, 2°; night, 0°; partly cloudy
20
+2
0
20 November, wed
+2
0
Feels like
−11
734 mmHg
94%
14.2
m/s
NE
+5
Climate normal
+5
+4
20 November, Wednesday. day, 2°; night, 0°; sleet
21
0
−2
21 November, thu
0
−2
Feels like
−9
731 mmHg
96%
10.3
m/s
NW
+5
Climate normal
+4
+4
21 November, Thursday. day, 0°; night, -2°; sleet
22
−3
−4
22 November, fri
−3
−4
Feels like
−12
738 mmHg
84%
8.4
m/s
W
+4
Climate normal
+5
+4
22 November, Friday. day, -3°; night, -4°; sleet
23
−2
−2
23 November, sat
−2
−2
Feels like
−8
749 mmHg
81%
4.6
m/s
W
+4
Climate normal
+5
+4
23 November, Saturday. day, -2°; night, -2°; partly cloudy
24
+3
+4
24 November, sun
+3
+4
Feels like
−10
750 mmHg
85%
12.9
m/s
SE
+4
Climate normal
+5
+5
24 November, Sunday. day, 3°; night, 4°; light rain
25
+5
+4
25 November, mon
+5
+4
Feels like
−4
744 mmHg
91%
10.5
m/s
SW
+6
Climate normal
+3
+3
25 November, Monday. day, 5°; night, 4°; rain
26
+4
+2
26 November, tue
+4
+2
Feels like
−5
749 mmHg
86%
9.4
m/s
W
+6
Climate normal
+5
+4
26 November, Tuesday. day, 4°; night, 2°; light rain
27
+2
+1
27 November, wed
+2
+1
Feels like
−7
759 mmHg
84%
9.8
m/s
E
+6
Climate normal
+4
+4
27 November, Wednesday. day, 2°; night, 1°; partly cloudy
28
+3
+2
28 November, thu
+3
+2
Feels like
−6
762 mmHg
82%
8.3
m/s
NE
+2
Climate normal
+4
+4
28 November, Thursday. day, 3°; night, 2°; overcast
29
+3
+2
29 November, fri
+3
+2
Feels like
−6
761 mmHg
88%
8.1
m/s
SE
+2
Climate normal
+4
+3
29 November, Friday. day, 3°; night, 2°; overcast
30
+3
+5
30 November, sat
+3
+5
Feels like
−4
761 mmHg
87%
7.6
m/s
S
+2
Climate normal
+3
+3
30 November, Saturday. day, 3°; night, 5°; overcast
1 December
+4
+4
1 December, sun
+4
+4
Feels like
−3
762 mmHg
80%
7.8
m/s
SE
+3
Climate normal
+3
+2
1 December, Sunday. day, 4°; night, 4°; light rain
2
+3
+1
2 December, mon
+3
+1
Feels like
−3
760 mmHg
83%
6.5
m/s
SW
+2
Climate normal
+4
+2
2 December, Monday. day, 3°; night, 1°; light rain
3
+6
+7
3 December, tue
+6
+7
Feels like
−13
751 mmHg
81%
21.5
m/s
S
+5
Climate normal
+3
+3
3 December, Tuesday. day, 6°; night, 7°; rain
4
+8
+7
4 December, wed
+8
+7
Feels like
−7
739 mmHg
78%
17.3
m/s
S
+7
Climate normal
+4
+2
4 December, Wednesday. day, 8°; night, 7°; rain
5
+6
+3
5 December, thu
+6
+3
Feels like
−3
747 mmHg
83%
9.2
m/s
W
+5
Climate normal
+4
+4
5 December, Thursday. day, 6°; night, 3°; light rain
6
+3
+2
6 December, fri
+3
+2
Feels like
−6
762 mmHg
79%
9.6
m/s
NW
+2
Climate normal
+3
+3
6 December, Friday. day, 3°; night, 2°; partly cloudy
7
+6
+6
7 December, sat
+6
+6
Feels like
−5
763 mmHg
78%
10.1
m/s
SW
+5
Climate normal
+3
+2
7 December, Saturday. day, 6°; night, 6°; light rain
8
+6
+4
8 December, sun
+6
+4
Feels like
−5
755 mmHg
87%
12.2
m/s
NW
+5
Climate normal
+3
+2
8 December, Sunday. day, 6°; night, 4°; light rain
9
+3
+3
9 December, mon
+3
+3
Feels like
−9
758 mmHg
70%
13.7
m/s
W
+2
Climate normal
+4
+3
9 December, Monday. day, 3°; night, 3°; mostly clear
10
+3
+2
10 December, tue
+3
+2
Feels like
−9
765 mmHg
74%
12
m/s
N
+2
Climate normal
+3
+3
10 December, Tuesday. day, 3°; night, 2°; partly cloudy
11
+4
+4
11 December, wed
+4
+4
Feels like
−12
753 mmHg
81%
19.7
m/s
S
+3
Climate normal
+3
+2
11 December, Wednesday. day, 4°; night, 4°; rain
12
+4
+5
12 December, thu
+4
+5
Feels like
−5
759 mmHg
82%
9.1
m/s
NW
+3
Climate normal
+3
+2
12 December, Thursday. day, 4°; night, 5°; partly cloudy
13
+5
+5
13 December, fri
+5
+5
Feels like
−7
749 mmHg
82%
13.6
m/s
W
+4
Climate normal
+2
+1
13 December, Friday. day, 5°; night, 5°; rain
14
+6
+6
14 December, sat
+6
+6
Feels like
−10
741 mmHg
82%
21.2
m/s
S
+5
Climate normal
+3
+3
14 December, Saturday. day, 6°; night, 6°; rain
15
+6
+5
15 December, sun
+6
+5
Feels like
−10
729 mmHg
74%
18.1
m/s
SW
+5
Climate normal
+3
+2
15 December, Sunday. day, 6°; night, 5°; light rain
16
+5
+5
16 December, mon
+5
+5
Feels like
−6
732 mmHg
79%
13.1
m/s
SW
+4
Climate normal
+2
+2
16 December, Monday. day, 5°; night, 5°; rain
17
+5
+3
17 December, tue
+5
+3
Feels like
−3
745 mmHg
84%
9
m/s
SE
+4
Climate normal
+2
+1
17 December, Tuesday. day, 5°; night, 3°; light rain
Average data for 10 years
Next, the average data for 10 years
18
+2
+2
18 December, wed
+2
+2
Feels like
−6
741 mmHg
83%
11.1
m/s
SW
+4
18 December, Wednesday. day, 2°; night, 2°; rain
19
+3
+2
19 December, thu
+3
+2
Feels like
−5
741 mmHg
83%
11.5
m/s
SW
+4
19 December, Thursday. day, 3°; night, 2°; overcast
20
+2
+2
20 December, fri
+2
+2
Feels like
−5
741 mmHg
81%
10.3
m/s
SW
+4
20 December, Friday. day, 2°; night, 2°; overcast
21
+2
+1
21 December, sat
+2
+1
Feels like
−7
740 mmHg
81%
11.1
m/s
SW
+4
21 December, Saturday. day, 2°; night, 1°; rain
Average for 30 days
1
sunny day
20
days with precipitation
9
cloudy days
1 sunny day; 20 days with precipitation; 9 cloudy days;
82
%
air humidity
11.2
m/s
Wind
W
32
mm of precipitation
(7% of annual average)
+4
°C
Water temperature
air humidity 82%; 32 millimeters of precipitation (7% of annual average); Wind westerly 11.2 Meters per second; Water temperature +4°
Forecast in graphs
Temperature
Water temperature
Humidity, %
Wind, m/s
Pressure, mmHg
W
NW
NE
NW
W
W
SE
SW
W
E
NE
SE
S
SE
SW
S
S
W
NW
SW
NW
W
N
S
NW
W
S
SW
SW
SE
18
Average data for 10 years
19
20
21
22
23
24
25
26
27
28
29
30
1
December
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Daytime temperature
Night-time temperature
