Mariehamn weather in June

In June, Mariehamn sees average daytime highs of 13°C and overnight lows near 11°C, with 49 mm of rain across 7.5 wet days and about 18.4 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 11°C in the first days to 15°C by the end. The sky is clear or mostly clear about 39% of the time in June, and the air most often feels dry.

Daylight stretches from about 17 h 54 min at the start of June to 18 h 24 min by month's end. Set against the rest of the year, June is Mariehamn's 3rd-clearest and 11th-windiest month. For the whole year in context, see Mariehamn's year-round climate.

Daytime high: 13°; 4th warmest
Overnight low: 11°; 9th coldest
Rainfall: 49 mm; 7.5 wet days
Daylight: 18 h 30 min; 3:27 AM – 9:54 PM
Cloud cover: 53%; 3rd clearest
Wind: 20 km/h; 11th windiest
Solar energy: 6.29 kWh/m²
Travel score: 3.8; out of 10

← May Mariehamn year-round climate July →Best places to visit in June

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 11°C in the first days to 15°C by the end.

A typical June day in Mariehamn reaches about 13°C in the afternoon and slips back to 11°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 10°C and 16°C. Set against its neighbours, June runs about 5°C warmer than May and about 4°C cooler than July.

	1	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
Avg high (°C)	11	11	11	11	11	12	12	12	12	12	12	12	13	13	13	13	13	13	13	13	14	14	14	14	14	14	15	15	15	15
Avg low (°C)	9	9	9	9	10	10	10	10	10	10	11	11	11	11	11	11	11	12	12	12	12	12	12	12	13	13	13	13	13	13

	Avg high (°C)	Avg low (°C)
1	11	9
2	11	9
3	11	9
4	11	9
5	11	10
6	12	10
7	12	10
8	12	10
9	12	10
10	12	10
11	12	11
12	12	11
13	13	11
14	13	11
15	13	11
16	13	11
17	13	11
18	13	12
19	13	12
20	13	12
21	14	12
22	14	12
23	14	12
24	14	12
25	14	13
26	14	13
27	15	13
28	15	13
29	15	13
30	15	13

How June really feels in Mariehamn

Once humidity and wind are folded in, June averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

June sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Mariehamn weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Snow days	Daylight (hours)	Travel score
Jan	2° / -1°	43	10.5	8	6.4	0.0
Feb	0° / -2°	29	7.7	6.5	8.6	0.0
Mar	1° / -1°	27	7.1	5.1	11.3	0.0
Apr	4° / 2°	29	6.9	1.7	14.2	0.0
May	8° / 6°	33	6.6	0.2	16.8	1.6
Jun	13° / 11°	49	7.5	0	18.4	3.8
Jul	17° / 15°	48	7.6	0	17.7	5.9
Aug	18° / 16°	55	10.2	0	15.4	5.8
Sep	14° / 13°	54	9.2	0	12.6	4.1
Oct	9° / 8°	62	11.8	0.4	9.8	1.9
Nov	6° / 4°	60	13	2.9	7.1	0.4
Dec	3° / 1°	56	13	6.1	5.6	0.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 17% of June, with mostly cloudy or overcast conditions the remaining 45%.

	1	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
Clearer (%)	58	58	58	58	58	58	58	57	56	56	55	55	53	53	53	52	52	53	52	52	52	53	53	54	54	56	56	57	58	58
Cloudier (%)	42	42	42	42	42	42	42	43	44	44	45	45	47	47	47	48	48	47	48	48	48	47	47	46	46	44	44	43	42	42

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	58	42
6	58	42
7	58	42
8	57	43
9	56	44
10	56	44
11	55	45
12	55	45
13	53	47
14	53	47
15	53	47
16	52	48
17	52	48
18	53	47
19	52	48
20	52	48
21	52	48
22	53	47
23	53	47
24	54	46
25	54	46
26	56	44
27	56	44
28	57	43
29	58	42
30	58	42

Chance of precipitation in June

Any precipitation

Mariehamn gets around 49 mm of rain over 7.5 wet days in June. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 29% on the wettest days.

	1	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
Rain chance (%)	21	21	22	22	22	23	23	24	24	25	25	26	27	27	28	28	29	29	28	28	28	27	27	26	26	25	25	24	24	23

	Rain chance (%)
1	21
2	21
3	22
4	22
5	22
6	23
7	23
8	24
9	24
10	25
11	25
12	26
13	27
14	27
15	28
16	28
17	29
18	29
19	28
20	28
21	28
22	27
23	27
24	26
25	26
26	25
27	25
28	24
29	24
30	23

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

Most of June feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, June lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	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
Dry (%)	100	99	99	99	99	98	98	97	97	97	96	96	95	95	94	94	93	93	91	91	90	89	87	85	84	82	80	77	76	73
Comfortable (%)	0	1	1	1	1	2	2	3	3	3	4	4	5	5	6	6	7	7	8	8	9	10	11	13	14	15	17	19	20	22
Humid (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	2	2	2	3	3	4	4	5

	Dry (%)	Comfortable (%)	Humid (%)
1	100	0	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	98	2	0
7	98	2	0
8	97	3	0
9	97	3	0
10	97	3	0
11	96	4	0
12	96	4	0
13	95	5	0
14	95	5	0
15	94	6	0
16	94	6	0
17	93	7	0
18	93	7	0
19	91	8	1
20	91	8	1
21	90	9	1
22	89	10	1
23	87	11	2
24	85	13	2
25	84	14	2
26	82	15	3
27	80	17	3
28	77	19	4
29	76	20	4
30	73	22	5

Wind in June

Winds average 20 km/h in June.

Across June, daily wind ranges from about 20 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

	1	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
Wind speed (km/h)	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20
Feels	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	breezy	light breeze	light breeze

	Wind speed (km/h)	Feels
1	20	breezy
2	20	breezy
3	20	breezy
4	20	breezy
5	20	breezy
6	20	breezy
7	20	breezy
8	20	breezy
9	20	breezy
10	20	breezy
11	20	breezy
12	20	breezy
13	20	breezy
14	20	breezy
15	20	breezy
16	20	breezy
17	20	breezy
18	20	breezy
19	20	breezy
20	20	breezy
21	20	breezy
22	20	breezy
23	20	breezy
24	20	breezy
25	20	breezy
26	20	breezy
27	20	breezy
28	20	breezy
29	20	light breeze
30	20	light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 17 h 54 min at the start of June to 18 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 30 minutes over June. Sunrise moves from 3:41 AM to 3:30 AM, and sunset from 9:35 PM to 9:57 PM.

	1	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
Daylight (h)	17.9	17.9	18.0	18.1	18.1	18.1	18.2	18.2	18.3	18.3	18.3	18.4	18.4	18.4	18.4	18.5	18.5	18.5	18.5	18.5	18.5	18.5	18.5	18.5	18.5	18.5	18.5	18.5	18.5	18.4
Sunrise (AM)	3:41	3:39	3:38	3:37	3:35	3:34	3:33	3:32	3:31	3:30	3:29	3:29	3:28	3:27	3:27	3:27	3:26	3:26	3:26	3:26	3:26	3:26	3:26	3:27	3:27	3:27	3:28	3:29	3:29	3:30
Sunset (PM)	9:35	9:36	9:38	9:40	9:41	9:43	9:44	9:46	9:47	9:48	9:50	9:51	9:52	9:53	9:54	9:54	9:55	9:56	9:56	9:57	9:57	9:57	9:58	9:58	9:58	9:58	9:58	9:57	9:57	9:57

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	17.9	3:41	9:35
2	17.9	3:39	9:36
3	18.0	3:38	9:38
4	18.1	3:37	9:40
5	18.1	3:35	9:41
6	18.1	3:34	9:43
7	18.2	3:33	9:44
8	18.2	3:32	9:46
9	18.3	3:31	9:47
10	18.3	3:30	9:48
11	18.3	3:29	9:50
12	18.4	3:29	9:51
13	18.4	3:28	9:52
14	18.4	3:27	9:53
15	18.4	3:27	9:54
16	18.5	3:27	9:54
17	18.5	3:26	9:55
18	18.5	3:26	9:56
19	18.5	3:26	9:56
20	18.5	3:26	9:57
21	18.5	3:26	9:57
22	18.5	3:26	9:57
23	18.5	3:26	9:58
24	18.5	3:27	9:58
25	18.5	3:27	9:58
26	18.5	3:27	9:58
27	18.5	3:28	9:58
28	18.5	3:29	9:57
29	18.5	3:29	9:57
30	18.4	3:30	9:57

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.29 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 0.18 kWh/m² to a high of 6.29 kWh/m² in June across the year — June's 6.29 kWh/m² sits near the top of that range.

	1	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
Solar energy (kWh/m²)	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.2	6.2	6.2	6.2	6.2	6.2	6.2	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3	6.3
Level	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense	Intense

	Solar energy (kWh/m²)	Level
1	6.3	Intense
2	6.3	Intense
3	6.3	Intense
4	6.3	Intense
5	6.3	Intense
6	6.3	Intense
7	6.3	Intense
8	6.3	Intense
9	6.3	Intense
10	6.3	Intense
11	6.3	Intense
12	6.3	Intense
13	6.3	Intense
14	6.3	Intense
15	6.2	Intense
16	6.2	Intense
17	6.2	Intense
18	6.2	Intense
19	6.2	Intense
20	6.2	Intense
21	6.2	Intense
22	6.3	Intense
23	6.3	Intense
24	6.3	Intense
25	6.3	Intense
26	6.3	Intense
27	6.3	Intense
28	6.3	Intense
29	6.3	Intense
30	6.3	Intense

Planning a trip in June

Is June a good time to visit Mariehamn?

Our two travel scores rate June for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.8

Sightseeing

4th-best month of the year

0.0

Beach & pool

4th-best month of the year

June is a weaker month for outdoor sightseeing in Mariehamn.

What to pack for Mariehamn in June

From June's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In June, Mariehamn sees daytime highs around 13°C and nights near 11°C. Pack sun protection. Worth having: a warm layer and a windbreaker. About 8 days see rain.

sun protectiona warm layera windbreaker

Sea temperature near Mariehamn in June

The nearest coast averages about 11°C in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 17°C and coldest in February near 1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Sea temperature (°C)	2	1	1	3	6	11	16	17	14	10	7	4
Comfort	Bracing	Bracing	Bracing	Bracing	Bracing	Bracing	Cool	Cool	Bracing	Bracing	Bracing	Bracing

	Sea temperature (°C)	Comfort
Jan	2	Bracing
Feb	1	Bracing
Mar	1	Bracing
Apr	3	Bracing
May	6	Bracing
Jun	11	Bracing
Jul	16	Cool
Aug	17	Cool
Sep	14	Bracing
Oct	10	Bracing
Nov	7	Bracing
Dec	4	Bracing

UV index in Mariehamn in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mariehamn peaks around June 18 at about 5 (high) — a little sun protection helps at midday. It bottoms out near December 20 at about 0 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 4 months of the year.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	0	1	1	3	4	5	5	4	3	1	0	0
Level	Low	Low	Low	Moderate	Moderate	High	Moderate	Moderate	Moderate	Low	Low	Low

	UV index (midday)	Level
Jan	0	Low
Feb	1	Low
Mar	1	Low
Apr	3	Moderate
May	4	Moderate
Jun	5	High
Jul	5	Moderate
Aug	4	Moderate
Sep	3	Moderate
Oct	1	Low
Nov	0	Low
Dec	0	Low

Location & terrain

Where is Mariehamn?

Mariehamn sits at 60.1°N, 19.9°E, 11 m above sea level, in Aland Islands. The nearest listed city is Norrtälje, 78 km away.

Topography around Mariehamn

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mariehamn.

Within 3 km, the terrain around Mariehamn has only modest variations in elevation — a maximum elevation change of 55 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 80 m; within 80 km, only modest variations in elevation — a maximum elevation change of 130 m.

The land around Mariehamn is covered by water (44%) and trees (32%) within 3 km, water (55%) and trees (31%) within 16 km, and water (86%) within 80 km.

3 km

55 m

water 44%

16 km

80 m

water 55%

80 km

130 m

water 86%

treesgrasslandcroplandartificial surfaceswaterwetland

← May Mariehamn year-round climate July →Best places to visit in June

June weather nearby: Norrtälje 78 km · Åkersberga 114 km · Vallentuna 121 km · Gustavsberg 122 km · Naantali 122 km · Boo 126 km · Täby 127 km · Märsta 128 km

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mariehamn (60.0973°, 19.9348°, elevation 11 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).

	Avg high (°C)	Avg low (°C)
1	11	9
2	11	9
3	11	9
4	11	9
5	11	10
6	12	10
7	12	10
8	12	10
9	12	10
10	12	10
11	12	11
12	12	11
13	13	11
14	13	11
15	13	11
16	13	11
17	13	11
18	13	12
19	13	12
20	13	12
21	14	12
22	14	12
23	14	12
24	14	12
25	14	13
26	14	13
27	15	13
28	15	13
29	15	13
30	15	13

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	58	42
6	58	42
7	58	42
8	57	43
9	56	44
10	56	44
11	55	45
12	55	45
13	53	47
14	53	47
15	53	47
16	52	48
17	52	48
18	53	47
19	52	48
20	52	48
21	52	48
22	53	47
23	53	47
24	54	46
25	54	46
26	56	44
27	56	44
28	57	43
29	58	42
30	58	42

	Rain chance (%)
1	21
2	21
3	22
4	22
5	22
6	23
7	23
8	24
9	24
10	25
11	25
12	26
13	27
14	27
15	28
16	28
17	29
18	29
19	28
20	28
21	28
22	27
23	27
24	26
25	26
26	25
27	25
28	24
29	24
30	23

	Dry (%)	Comfortable (%)	Humid (%)
1	100	0	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	98	2	0
7	98	2	0
8	97	3	0
9	97	3	0
10	97	3	0
11	96	4	0
12	96	4	0
13	95	5	0
14	95	5	0
15	94	6	0
16	94	6	0
17	93	7	0
18	93	7	0
19	91	8	1
20	91	8	1
21	90	9	1
22	89	10	1
23	87	11	2
24	85	13	2
25	84	14	2
26	82	15	3
27	80	17	3
28	77	19	4
29	76	20	4
30	73	22	5

	Avg high (°C)	Avg low (°C)
1	11	9
2	11	9
3	11	9
4	11	9
5	11	10
6	12	10
7	12	10
8	12	10
9	12	10
10	12	10
11	12	11
12	12	11
13	13	11
14	13	11
15	13	11
16	13	11
17	13	11
18	13	12
19	13	12
20	13	12
21	14	12
22	14	12
23	14	12
24	14	12
25	14	13
26	14	13
27	15	13
28	15	13
29	15	13
30	15	13

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	58	42
6	58	42
7	58	42
8	57	43
9	56	44
10	56	44
11	55	45
12	55	45
13	53	47
14	53	47
15	53	47
16	52	48
17	52	48
18	53	47
19	52	48
20	52	48
21	52	48
22	53	47
23	53	47
24	54	46
25	54	46
26	56	44
27	56	44
28	57	43
29	58	42
30	58	42

	Rain chance (%)
1	21
2	21
3	22
4	22
5	22
6	23
7	23
8	24
9	24
10	25
11	25
12	26
13	27
14	27
15	28
16	28
17	29
18	29
19	28
20	28
21	28
22	27
23	27
24	26
25	26
26	25
27	25
28	24
29	24
30	23

	Dry (%)	Comfortable (%)	Humid (%)
1	100	0	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	98	2	0
7	98	2	0
8	97	3	0
9	97	3	0
10	97	3	0
11	96	4	0
12	96	4	0
13	95	5	0
14	95	5	0
15	94	6	0
16	94	6	0
17	93	7	0
18	93	7	0
19	91	8	1
20	91	8	1
21	90	9	1
22	89	10	1
23	87	11	2
24	85	13	2
25	84	14	2
26	82	15	3
27	80	17	3
28	77	19	4
29	76	20	4
30	73	22	5

	Avg high (°C)	Avg low (°C)
1	11	9
2	11	9
3	11	9
4	11	9
5	11	10
6	12	10
7	12	10
8	12	10
9	12	10
10	12	10
11	12	11
12	12	11
13	13	11
14	13	11
15	13	11
16	13	11
17	13	11
18	13	12
19	13	12
20	13	12
21	14	12
22	14	12
23	14	12
24	14	12
25	14	13
26	14	13
27	15	13
28	15	13
29	15	13
30	15	13

	Clearer (%)	Cloudier (%)
1	58	42
2	58	42
3	58	42
4	58	42
5	58	42
6	58	42
7	58	42
8	57	43
9	56	44
10	56	44
11	55	45
12	55	45
13	53	47
14	53	47
15	53	47
16	52	48
17	52	48
18	53	47
19	52	48
20	52	48
21	52	48
22	53	47
23	53	47
24	54	46
25	54	46
26	56	44
27	56	44
28	57	43
29	58	42
30	58	42

	Rain chance (%)
1	21
2	21
3	22
4	22
5	22
6	23
7	23
8	24
9	24
10	25
11	25
12	26
13	27
14	27
15	28
16	28
17	29
18	29
19	28
20	28
21	28
22	27
23	27
24	26
25	26
26	25
27	25
28	24
29	24
30	23

	Dry (%)	Comfortable (%)	Humid (%)
1	100	0	0
2	99	1	0
3	99	1	0
4	99	1	0
5	99	1	0
6	98	2	0
7	98	2	0
8	97	3	0
9	97	3	0
10	97	3	0
11	96	4	0
12	96	4	0
13	95	5	0
14	95	5	0
15	94	6	0
16	94	6	0
17	93	7	0
18	93	7	0
19	91	8	1
20	91	8	1
21	90	9	1
22	89	10	1
23	87	11	2
24	85	13	2
25	84	14	2
26	82	15	3
27	80	17	3
28	77	19	4
29	76	20	4
30	73	22	5