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This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
Mariehamn Weather in June
With daytime temperatures of 15°C (59°F) and nighttime lows of 11°C (52°F), June in Mariehamn brings moderate temperatures during the day. Some rainfall is to be expected during the month.
Rainfall in Mariehamn in June
The climate data from previous years indicates about 10 days of rain, averaging 53 mm (2.1 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Mariehamn in June
Mariehamn in June gets highs of 15°C (59°F) during the day and drops to 11°C (52°F) at night. Conditions are often most pleasant around the middle of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Mariehamn.
Mariehamn Temperature in June
Min Temperature
11°C (52°F)
Max Temperature
15°C (59°F)
Chance of Rain
33%
Precipitation
53 mm (2.1 in)
Rainy days
10 days
Mariehamn Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Mariehamn - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mariehamn typically stay consistent throughout June, with daily highs averaging around 15°C (59°F). Nights are cool, with lows typically ranging from 7°C (45°F) to 12°C (54°F).
Average temperatures in June
Historical weather records for Mariehamn in June
Browse day-by-day weather records for Mariehamn spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mariehamn historical weather extremes in June
The extremes listed below come from historical weather data collected in Mariehamn from 1976 through 2026.
- On June 27, 1988, temperatures climbed to 28°C (82°F), marking the warmest June day on record.
- The lowest daytime temperature in June was 8°C (46°F), recorded on June 2, 2012.
- The coldest night in June in Mariehamn was on June 3, 2023, with a minimum of 0°C (32°F).
Best Places in Finland in June
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in June →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Mariehamn in June
Pack for changing conditions in Mariehamn in June. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Rain gear is recommended, you can expect wet weather on multiple days.
What To Do in Mariehamn in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Barbeque5/10 -
Camping8/10 -
Outdoor sports10/10
Mariehamn 3-Day Forecast
More climate data for Mariehamn
See the full Mariehamn climate overview or explore weather in Finland.
Popular in June
Where to go in June - average daytime high across popular destinations.
Tampere
19°C (66°F) Helsinki
20°C (68°F) Turku20°C (68°F) Vuokatti18°C (64°F) Rovaniemi18°C (64°F) Äkäslompolo17°C (63°F) Ruka16°C (61°F) Levi16°C (61°F) Bucket list
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