Aller water temperature
Aller, Langlingen · River
The current water temperature at Aller is 17.9 °C (as of September 8, 2026, source: NLWKN — pegelonline.nlwkn.niedersachsen.de).
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 1089 data points since July 10, 2026.
Lowest recorded value: 16.6 °C on September 6, 2026 · highest value: 22.4 °C on July 17, 2026.
In September, temperatures have ranged between 16.6 °C and 18.6 °C.
The current value is 0.3 °C above the September average of this series.
Nearby waters
More measuring points: Aller
Frequently asked questions
Can you swim at Aller 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 Aller?
Currently 17.9 °C (updated continuously).
How warm is at Aller in September?
In September, the water temperature recently averaged 17.6 °C.
When is the water warmest at Aller?
Across the measurement record, July is on average the warmest month (19.8 °C).
