Main water temperature
Main, Mainleus · River
The current water temperature at Main is 14.8 °C (as of September 20, 2026, source: GKD Bayern).
A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.
Measurement series & statistics
This measurement series includes 947 data points since July 22, 2026.
Lowest recorded value: 14.4 °C on September 19, 2026 · highest value: 23.9 °C on August 6, 2026.
In September, temperatures have ranged between 14.4 °C and 18.9 °C.
The current value is 2.1 °C below the September average of this series.
Nearby waters
More measuring points: Main
Frequently asked questions
Can you swim at Main right now?
The current water temperature is 14.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Main?
Currently 14.8 °C (updated continuously).
How warm is at Main in September?
In September, the water temperature recently averaged 16.9 °C.
When is the water warmest at Main?
Across the measurement record, August is on average the warmest month (19.8 °C).
