San Juan River water temperature
San Juan River, Co RD 119 at Pagosa Springs, Colorado · River
The current water temperature at San Juan River is 12.3 °C (as of September 21, 2026, source: USGS).
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 226 data points since July 23, 2026.
Lowest recorded value: 12.3 °C on September 21, 2026 · highest value: 29.8 °C on August 9, 2026.
In September, temperatures have ranged between 12.3 °C and 26.7 °C.
The current value is 9.2 °C below the September average of this series.
Nearby waters
More measuring points: San Juan River
Frequently asked questions
Can you swim at San Juan River right now?
The current water temperature is 12.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at San Juan River?
Currently 12.3 °C (updated continuously).
How warm is at San Juan River in September?
In September, the water temperature recently averaged 21.5 °C.
When is the water warmest at San Juan River?
Across the measurement record, July is on average the warmest month (25.0 °C).
