Dümmer See Lake

Shallow lake popular for sailing and birdwatching

Dümmer See is a lake in northern Germany frequented by sailors and birdwatchers; visitors use the water for sailing, windsurfing and observing migratory birds.

Main image

Dümmer See at a Glance#

Admission: Free (public lake and surrounding park activities; some recreational facilities may have fees)

How to Get to Dümmer See#

Dümmer See is in Lower Saxony, west of Bremen and south of Oldenburg. It is reached by regional roads (B51 and B214 nearby). Nearest larger towns include Diepholz; local signage directs visitors to public beaches and parking.

Tips for Visiting Dümmer See#

  • If windsurfing, aim for open water near the northern shore where wind is generally more consistent.
  • Arrive early on summer weekends for parking near popular beaches and to avoid day‑tripper crowds.
  • Explore the surrounding nature trails - many visitors focus on the lake and miss hidden woodlands and bird hides.

Best Time to Visit Dümmer See#

Summer for water sports; shoulder seasons for quiet trails and birding.

Summer
June-August · 18-26°C
Peak recreational season: windsurfing, swimming and boating are most active.
Spring-Autumn
April-May, September-October · 8-18°C
Good for walking and birdwatching; shoulder seasons are quieter and pleasantly cool.
Winter
November-March · -5-5°C
Icy conditions possible; the lake and surroundings are stark and atmospheric.

Weather & Climate near Dümmer See#

Climate

Dümmer See's climate is classified as Oceanic - Oceanic climate with mild summers (peaking in July) and cold winters (coldest in January). Temperatures range from -2°C to 22°C. Moderate rainfall (642 mm/year).

Air Quality: AQI 35 Good
Temperature & Rainfall
Temperature Range
22°
Warmest Month
-2°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - -2° - 3° -4° 52 mm - - 4.2 m/s - -
February - -2° - 4° -3° 38 mm - - 4.0 m/s - -
March - 1° - 8° 0° 47 mm - - 4.3 m/s - -
April - 3° - 12° 5° 43 mm - - 3.9 m/s - -
May - 7° - 18° 12° 48 mm - - 3.6 m/s - -
June - 10° - 20° 15° 63 mm - - 3.5 m/s - -
July - 12° - 22° 17° 71 mm - - 3.6 m/s - -
August - 12° - 22° 17° 64 mm - - 3.3 m/s - -
September - 9° - 18° 13° 54 mm - - 3.5 m/s - -
October - 5° - 13° 7° 48 mm - - 3.7 m/s - -
November - 2° - 7° 1° 56 mm - - 4.1 m/s - -
December - -1° - 4° -2° 58 mm - - 4.3 m/s - -