Mariehamn Climate by Month
Mariehamn experiences great temperature shifts.
The city's weather can transition from pleasant days
to very cold weather.
It receives a moderate amount of precipitation.
Now, let’s break down all the climate details for a clearer picture.
Average day and night temperature
The climate in Mariehamn is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a pleasant 20°C in August to a very cold 1°C in February. Nighttime temperatures can drop, with averages reaching -3°C in February.
The mean minimum and maximum temperatures throughout the year
Precipitation and rainy days
Generally, Mariehamn receives mid-range precipitation levels, with 613 mm annually. The amount of precipitation varies moderately throughout the year. The wettest month, October, sees around 67 mm of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, March, still receives a respectable 33 mm of snow/rainfall.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
The best time of year to visit Mariehamn in Finland
Other facts from our historical weather data:August has an average maximum temperature of 20°C and is the warmest month of the year.
The coldest month is February with an average maximum temperature of 1°C.
October tops the wettest month list with 67 mm of rainfall.
March is the driest month with 33 mm of precipitation.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
