About Flen, Soedermanland's Climate & Weather History

With a population of around 6,600, Flen sits in Soedermanland, Sweden. The city operates in the Europe/Stockholm time zone.

In 2025, Flen recorded an average annual temperature of 47°F. The hottest temperatures reached 83°F in July; the coolest were 7°F in January. Total precipitation for the year was 27 inches, with the wettest month being July. Snowfall for the year totaled approximately 5 inches.