average surface temperature of sweden
1 The average January temperature was 1.3Â°C (2.3Â°F) above the 1981â2010 average.  Sweden was colder than average across most of the country for January, with a mix of mild, cold, and mild again weather patterns through the month. On January 7th, the temperature dropped to -42.9Â°C (-45.2Â°F) in Naimakka, the lowest temperature recorded in Sweden during any month since 2001.