Tamar, Gunnislake Trap · River
The current water temperature at Tamar is 11.1 °C (as of October 24, 2026, source: Environment Agency).
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.
This measurement series includes 1267 data points since September 1, 2026.
Lowest recorded value: 10.1 °C on October 20, 2026 · highest value: 19.6 °C on September 4, 2026.
In October, temperatures have ranged between 10.1 °C and 16.6 °C.
The current value is 2.8 °C below the October average of this series.
Can you swim at Tamar right now?
The current water temperature is 11.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Tamar?
Currently 11.1 °C (updated continuously).
How warm is at Tamar in October?
In October, the water temperature recently averaged 13.9 °C.