Åland Islands climate and temperatures

The climate of Åland Islands is Temperate oceanic climate (Köppen: Cfb), with mild summers and precipitation throughout the year. Monthly temperatures range from a minimum of 2°C in winter (December–February) to a maximum of 21°C in summer (June–August). The average annual temperature is around 11°C.

During the winter months, nighttime temperatures can drop to an average of -3°C, while summer nights average around 13°C.

Popular destinations in Åland Islands

• Mariehamn

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Climate table of Åland Islands

The climate table below gives you a clear overview of the climate in Åland Islands by month, from average temperatures and rainfall to UV levels. This makes it easy to see when the weather best suits your travel plans.

Best time to visit Åland Islands

The best time to visit Åland Islands is June en July. During this period, temperatures are usually pleasant to warm and there is relatively little rainfall. Between June and July, average high temperatures range roughly from 19°C to 21°C, while rainfall remains limited. For a city trip, round trip, or active holiday, June are often more comfortable, as it is warm without the heat becoming too intense. The warmest month is July, with an average daytime temperature of around 21°C. The driest month is April, with about 23 mm of rainfall, while October is usually the wettest month of the year, with approximately 74 mm. Snow is rare here, but may occasionally fall in March, April, May, February, January, November en December.

Average temperature per month

This chart shows the average daytime (maximum) and nighttime (minimum) temperatures per month in Åland Islands. The figures are based on climate data from recent years and are presented in degrees Celsius, so you can clearly see the temperature range for each month.

Average rainfall per month

This chart shows the average monthly rainfall in Åland Islands. The figures are based on long-term climate data and are displayed in millimeters, so you can immediately see which months are drier or wetter.

Average UV index per month

This chart shows the average monthly sun intensity in Åland Islands. The UV index ranges from 0 (no UV radiation) to 11+ (extreme). A higher UV index means you can burn more quickly, making proper sun protection increasingly important.

Average annual temperature

This chart shows the average annual temperature in Åland Islands based on data from the past ten years. It allows you to see at a glance how the climate is evolving and whether there are clear warming trends.

Average annual rainfall

This chart shows the average annual rainfall in Åland Islands over the past ten years. It allows you to see at a glance how much rain falls each year and whether there are clear fluctuations between the years.

Weather experiences in Åland Islands

The weather in Åland Islands is rated an average of 4.3 out of 5 stars by 8 visitors. Have you been to Åland Islands? Share your experience with the weather to help other visitors plan their trip.

Average weather per month

Click on a month below and discover what the weather in Åland Islands is typically like. For each period, you can instantly see the average temperature, rainfall, wind, and UV index. Thanks to years of historical weather data, you’ll know exactly what to expect during your trip.

• January
• February
• March
• April
• May
• June
• July
• August
• September
• October
• November
• December