1 The average January temperature was 1.3°C (2.3°F) above the 1981–2010 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 -42.9°C (-45.2°F) in Naimakka, the lowest temperature recorded in Sweden during any month since 2001.