Just as Finland experiences virtually 24 hours of sundown during the darkest winter months, the opposite happens in the summer. Extreme heat is defined in Finland as being at least 25.1 °C. During one summer week, it can be two days of 80°F (27°C) with sunshine followed by rain with a temperature of 60°F (16°C). Climate data and weather averages in Rovaniemi. In northernmost Finland, the sun stays above the horizon for about 2,5 months. The best month to swim in the sea is in August when the average sea temperature is 13.°C (55°F). Northern Finland lies in the Land off the Midnight Sun and so has continuous daylight during part of the summer. Temperature records of the last 70 years The hottest temperature measured from 1949 to December 2019 was reported by the Joensuu Airp weather station. The number of days of continuous daylight increases as one goes farther north. * Data from nearest weather station: Ivalo (Lapland), Finland (19 KM). Average Temperature: Helsinki. Averages are for Rovaniemi Airport, which is 5 miles from Rovaniemi. Climate in Saariselka (Lapland), Finland. World Meteorological Organization, WMO for short, has agreed on a standard for temperature measurement which is Celsius.Celsius scale is used globally by other meteorological institutes and organisations which enables world wide exchange of information. The stark contrasts between the four seasons are the main characteristics of the annual natural cycle in Finland. The greatest number of days of extreme heat in Finland was recorded in Utti, Kouvola, with 48 days of extreme heat during the summer of 2010.. Average … July is the hottest month in Helsinki with an average temperature of 16.5°C (62°F) and the coldest is February at -5.5°C (22°F).

What does it mean for your holiday? In July 2010 the record temperature of 37.2 °C was reported here. Näytä tämä julkaisu Instagramissa. Loading weather data. Show in Fahrenheit. Copy. Annual Weather Averages Near Rovaniemi. The monthly mean minimum and maximum daily temperature. Average minimum and maximum temperature over the year. Feel free to use this embed code to add the graph above to your website. See the monthly weather averages in graphs below. For a great part of the year the land is covered in frost and snow but there is a certain kind of mystique in the air when the seasons eventually change. Yep, we're talking 24 hours of high-noon daylight in the north and only a couple of hours of what I would call “twilight” in the south. The Finnish Meteorological Institute uses Celsius scale instead of Fahrenheit. Within a day, I don’t feel that the weather changes that much. Heat wave records in Finland. Helsinki, Finland: Annual Weather Averages. The wettest month is August with an average of 90mm of rain. Psst… Follow me on Instagram and add more Finland to your life instantly!