Flensburg
Flensburg is a town in Schleswig-Holstein, Germany. It has a population of about 95,568 (2025). The climate is classified as oceanic (Köppen Cfb), with rain spread through the year and no real dry season.
Best: Jun–Jul · Sep. Warmth, sunshine and dry days, month by month.
Flensburg at a glance
The months with the highest weather score
Average high in July
Average low in January
92 mm of rain
44 mm of rain
within 2.6 km
How Flensburg has grown
People living in the built-up area (31 km² today), every five years since 1975; 2030 is the projection.
+7%71k in 1975 → 75k in 2025Weather in Flensburg
Now and the next ten days. The 14 and 30-day outlooks are one click away.
Rain · wind 20 km/h · humidity 90%
When to go to Flensburg
Each month's weather score (warmth, sun, dry days) with its temperatures and rain.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Score | 14 | 22 | 26 | 46 | 65 | 70 | 66 | 65 | 66 | 33 | 15 | 14 |
| High | 4° | 4° | 7° | 12° | 17° | 19° | 22° | 22° | 18° | 13° | 8° | 5° |
| Low | 0° | 0° | 1° | 4° | 8° | 11° | 13° | 13° | 11° | 7° | 3° | 1° |
| Rain (mm) | 81 | 60 | 65 | 44 | 59 | 74 | 91 | 92 | 84 | 103 | 79 | 77 |
| Wet days | 14 | 11 | 10 | 8 | 10 | 11 | 13 | 15 | 12 | 14 | 15 | 15 |
What's on in Flensburg
Concerts, football matches, the public holidays ahead and the town's festivals through the year.
Music venues
Monuments and museums in Flensburg
More museums: Braasch Rum Manufaktur Museum · Fischereimuseum · Tauchermuseum Flensburg · Wehrgeschichtliches Ausbildungszentrum (WGAZ)
Outdoors around Flensburg
Hiking routes from the town, and what there is to do within 15 km: huts, viewpoints, climbing, camping, ski areas and dive sites.
Nature around Flensburg
Wildlife in October
The birds and mammals of Germany seen most this month, compared with the rest of their year.
The sky over Flensburg
Earthquakes around Flensburg
The last 30 days within 300 km, and the record since 1950.
Universities and research institutes
Towns and villages around Flensburg
Each with its own page: weather, climate and the best time to visit.
Flensburg from above
Postal codes
Getting to Flensburg
Places near Flensburg
Places with a climate like Flensburg
Matched month by month on temperature, rain and sunshine.
