Search Menu

What’s the climate like in Mariehamn?

The current climate in Mariehamn features temperatures ranging from a high of 21°C to a low of 2°C throughout the year. The average yearly temperature is around 11°C. At night, temperatures in the colder months average around -3°C and in the warmer months around 13°C.

The highest temperature recorded in Mariehamn in recent years was 31°C in July 2018. The lowest daytime temperature recorded was -13°C in January 2016.

On average, Mariehamn gets 624 mm of precipitation each year. Of this, about 44 cm is snowfall. For comparison, New York gets 1142 mm of precipitation each year.

Best time to visit Mariehamn?

The best time to visit Mariehamn for mild to warm weather is June up to September. You might get some rain, but the temperatures are just right to explore Mariehamn.

Climate Table of Mariehamn

The climate table of Mariehamn shows the average temperatures, rainfall, snow, and UV index per month. The table provides an overview of the average day and night temperatures in degrees Celsius, the total amount of rainfall in millimeters, the total snowfall in centimeters, and the UV index for each month. Rainfall is always measured as water, even if it's snow or hail.

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temp. max (°C) 2 3 4 8 13 19 21 20 16 11 6 3
Temp. min (°C) -2 -2 -2 0 5 10 13 13 10 5 2 -1
Precipitation
DropletDroplet
Droplet
Droplet
Droplet
Droplet
Droplet
Droplet
DropletDroplet
DropletDroplet
DropletDroplet
DropletDroplet
DropletDroplet
Precipitation (mm) 63 49 40 23 39 37 48 64 59 74 65 63
Snow (cm) 13 12 7,5 1,4 0,8 0 0 0 0 0 4,0 5,8
UV Index 1 2 3 4 5 6 5 5 3 2 1 0

Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.

  • Average yearly temperature: 11°C
  • Highest temperature: 21°C in July
  • Lowest temperature: 2°C in January
  • Precipitation*: 624 mm per year, averaging 52 mm per month
  • Snowfall: 44 cm per year
  • Driest months: 23 mm in April, 37 mm in June and 39 mm in May
  • Wettest months: 74 mm in October, 65 mm in November and 64 mm in August

*Precipitation is measured as a combination of rain, snow, and hail

Average Temperature per Month in Mariehamn

This graph shows the average maximum temperatures per month in Mariehamn, Åland Islands. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.

Temperature per Month in Mariehamn, Åland Islands,

Average Precipitation per Month in Mariehamn

This graph shows how much rainfall Mariehamn, Åland Islands, gets on average per month. Rainfall is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of rainfall is measured in millimeters, and the average is calculated based on the recorded rainfall per month from past years.

Precipitation per Month in Mariehamn, Åland Islands,

Average Snowfall per Month in Mariehamn

This graph shows how much snow Mariehamn, Åland Islands, gets on average per month. The amount of snowfall is measured in centimeters and the average is calculated based on the recorded snowfall per month from past years.

Snowfall per Month in Mariehamn, Åland Islands,

Average UV Index per Month in Mariehamn

This graph shows the average UV index per month in Mariehamn, Åland Islands. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.

UV Index per Month in Mariehamn, Åland Islands,

Yearly Temperature in Mariehamn

This graph shows the average yearly temperature in Mariehamn, Åland Islands. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.

Yearly Temperature in Mariehamn, Åland Islands,

Total Yearly Precipitation in Mariehamn

This chart shows the total yearly precipitation in Mariehamn, Åland Islands, over the past few years. The total yearly precipitation, measured in millimeters, is the sum of all the rain that fell in the twelve months of that year.

Yearly Precipitation in Mariehamn, Åland Islands,

Total Yearly Snowfall in Mariehamn

This chart shows the total yearly snowfall in Mariehamn, Åland Islands, over the past few years. The total yearly snowfall, measured in centimeters, is the sum of all the snow that fell in the twelve months of that year.

Yearly Snowfall in Mariehamn, Åland Islands,

Weather experiences in Mariehamn

Have you been to Mariehamn?

Share your weather experiences in Mariehamn.

Your email will not be shown in the review and will not be shared with others.

Average weather in Mariehamn by month

Click on a month below to see detailed weather info for Mariehamn. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.

Terug naar boven