Vänern water temperature
Vänern, Fogden · Lake
The current water temperature at Vänern is 17.9 °C (as of September 1, 2026, source: official monitoring networks).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Measurement series & statistics
This measurement series includes 737 data points since July 3, 2026.
Lowest recorded value: 15.5 °C on July 8, 2026 · highest value: 21.1 °C on July 18, 2026.
Nearby waters
More measuring points: Vänern
Frequently asked questions
Can you swim at Vänern right now?
The current water temperature is 17.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Vänern?
Currently 17.9 °C (updated continuously).
How warm is at Vänern in September?
In September, the water temperature recently averaged 17.9 °C.
When is the water warmest at Vänern?
Across the measurement record, September is on average the warmest month (17.9 °C).
