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Climate & Weather Averages in Mariehamn, Åland Islands

Currently: 39 °F. Sunny. (Weather station: Mariehamn / Aland Island, Åland Islands). See more current weather

Annual Weather Averages in Mariehamn

Based on weather reports collected during 1992–2021.

All Year Climate & Weather Averages in Mariehamn

High Temp: 69 °F

Low Temp: 23 °F

Mean Temp: 43 °F

Precipitation: 1.85"

Humidity: 83%

Dew Point: 39 °F

Wind: 15 mph

Pressure: 29.88 "Hg

Visibility: 9 mi

January Climate & Weather Averages in Mariehamn

High Temp: 34 °F

Low Temp: 25 °F

Mean Temp: 29 °F

Precipitation: 1.89"

Humidity: 88%

Dew Point: 27 °F

Wind: 17 mph

Pressure: 29.82 "Hg

Visibility: 8 mi

February Climate & Weather Averages in Mariehamn

High Temp: 33 °F

Low Temp: 23 °F

Mean Temp: 28 °F

Precipitation: 1.33"

Humidity: 87%

Dew Point: 25 °F

Wind: 16 mph

Pressure: 29.85 "Hg

Visibility: 8 mi

March Climate & Weather Averages in Mariehamn

High Temp: 37 °F

Low Temp: 26 °F

Mean Temp: 32 °F

Precipitation: 1.18"

Humidity: 82%

Dew Point: 27 °F

Wind: 16 mph

Pressure: 29.87 "Hg

Visibility: 8 mi

April Climate & Weather Averages in Mariehamn

High Temp: 46 °F

Low Temp: 32 °F

Mean Temp: 39 °F

Precipitation: 1.03"

Humidity: 78%

Dew Point: 32 °F

Wind: 15 mph

Pressure: 29.92 "Hg

Visibility: 9 mi

May Climate & Weather Averages in Mariehamn

High Temp: 56 °F

Low Temp: 40 °F

Mean Temp: 48 °F

Precipitation: 1.27"

Humidity: 74%

Dew Point: 39 °F

Wind: 15 mph

Pressure: 29.95 "Hg

Visibility: 11 mi

June Climate & Weather Averages in Mariehamn

High Temp: 64 °F

Low Temp: 48 °F

Mean Temp: 56 °F

Precipitation: 1.85"

Humidity: 76%

Dew Point: 48 °F

Wind: 15 mph

Pressure: 29.89 "Hg

Visibility: 11 mi

July Climate & Weather Averages in Mariehamn

High Temp: 69 °F

Low Temp: 54 °F

Mean Temp: 62 °F

Precipitation: 1.71"

Humidity: 78%

Dew Point: 55 °F

Wind: 14 mph

Pressure: 29.87 "Hg

Visibility: 10 mi

August Climate & Weather Averages in Mariehamn

High Temp: 68 °F

Low Temp: 53 °F

Mean Temp: 60 °F

Precipitation: 2.55"

Humidity: 81%

Dew Point: 55 °F

Wind: 14 mph

Pressure: 29.89 "Hg

Visibility: 10 mi

September Climate & Weather Averages in Mariehamn

High Temp: 60 °F

Low Temp: 46 °F

Mean Temp: 53 °F

Precipitation: 2.20"

Humidity: 84%

Dew Point: 49 °F

Wind: 14 mph

Pressure: 29.94 "Hg

Visibility: 9 mi

October Climate & Weather Averages in Mariehamn

High Temp: 50 °F

Low Temp: 39 °F

Mean Temp: 44 °F

Precipitation: 2.64"

Humidity: 86%

Dew Point: 41 °F

Wind: 16 mph

Pressure: 29.89 "Hg

Visibility: 9 mi

November Climate & Weather Averages in Mariehamn

High Temp: 42 °F

Low Temp: 33 °F

Mean Temp: 37 °F

Precipitation: 2.39"

Humidity: 88%

Dew Point: 35 °F

Wind: 17 mph

Pressure: 29.86 "Hg

Visibility: 8 mi

December Climate & Weather Averages in Mariehamn

High Temp: 37 °F

Low Temp: 28 °F

Mean Temp: 32 °F

Precipitation: 2.23"

Humidity: 89%

Dew Point: 30 °F

Wind: 17 mph

Pressure: 29.80 "Hg

Visibility: 8 mi

Quick Climate Info

Hottest MonthJuly (62 °F avg)
Coldest MonthFebruary (28 °F avg)
Wettest MonthOctober (2.64" avg)
Windiest MonthDecember (17 mph avg)
Annual precip.22.25" (per year)

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