Flen Weather & Climate: Best Time to Visit

Temperatures in Flen, Sodermanland, Sweden, vary greatly throughout the year. July is the hottest month at 23°C (73°F), while February is the coldest at 2°C (36°F).

The city receives around 675 mm (27 in) of rain/snowfall per year. It experiences a distinct dry season from February to March. July is the wettest month and March the driest. The most sunshine falls in June, with an average of 9.8 hours of daily sunshine.

Monthly Temperature in Flen

The climate in Flen is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 23°C (73°F) in July to a very cold 2°C (36°F) in February.

Nighttime temperatures range from 13°C (55°F) in July to -5°C (23°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Flen

Generally, Flen receives mid-range precipitation levels, with 675 mm (27 in) annually. The seasons in Flen bring significant changes in precipitation. The wettest month, July, receives moderate rainfall, with an average of 83 mm (3.3 in) of precipitation. This rainfall is distributed across 14 rainy days.

In contrast, the driest month, March, experiences much less snow/rainfall, totaling 35 mm (1.4 in) over 12 snowy/rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Flen Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Flen

In Flen, summer days are longer and more sunny, with daily sunshine hours peaking at 9.8 hours in June. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.1 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Mälaren, Sweden (60 KM, 37 Miles).

Daily hours of sunshine

Data from: Mälaren, Sweden (60 KM, 37 Miles).

Flen 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Flen

Flen's weather is most enjoyable during June, July and August, with comfortable temperatures from 20°C (68°F) to 23°C (73°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 77 mm (3 in) and 83 mm (3.3 in), providing a good balance of sunny and rainy days.

Looking for inspiration on where to travel this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.