The climate on the Åland Islands

Average daytime and nighttime temperatures

All climate diagrams on this site are taken from the collected data from the official weather station of the Åland Islands at an altitude of 12m above sea level. All data correspond to the average monthly values of the last 20 years.

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Climate zone: The northern part of the Åland Islands is located in the cold polar zone of the Arctic. The southern areas are in the temperate climate zone.

The climate on the Åland Islands is predominantly frosty cold and in the winter months the mercury does not even reach the positive range. In the cold season, the maximum temperatures are well below zero. Due to the warmer temperatures, the best time for traveling is from May to September. Less attractive are the cold months from November to April.
Duration of daylight and sunshine on the Åland Islands
Compare climate with other regions or countries
Rain days per monthRain days per month on the Åland Islands
Relative humidity in %Relative humidity on the Åland Islands
Absolute humidity in g/m³Absolute humidity on the Åland Islands

Temperature records of the last 32 years

The hottest temperature measured from 1991 to January 2023 was reported by the Uto weather station. In July 2018, the record temperature of 29.2 °C was reported here. The hottest summer from July to September was recorded in 2002 with an average temperature of 17.6 °C. This average temperature will normally be measured every four to six hours, thus also including the nights. Normally, this value is 16.1 degrees Celsius. The average maximum daily temperature at that time was 19.7 °C.

The coldest day in these 32 years was reported by the Uto weather station. Here the temperature dropped to -14.6 °C in February 2018. Uto lies at an altitude of seven meters above sea level. The coldest winter (January to March) was in 2010 with an average temperature of -4.6 °C. In Åland, it is usual to have about 4.1 degrees more at -0.4 °C for this three-month period.

The most precipitation fell in September 2001. With 5.9 mm per day, the Uto weather station recorded the highest monthly average of the last 32 years.

Data basis: German Weather Service, individual values averaged and supplemented by own elements.
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