San Juan River water temperature
San Juan River, Archuleta, New Mexico · River
The current water temperature at San Juan River is 9.4 °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 162 data points since July 23, 2026.
Lowest recorded value: 6.8 °C on September 2, 2026 · highest value: 11.6 °C on September 1, 2026.
In September, temperatures have ranged between 6.8 °C and 11.6 °C.
The current value is 0.5 °C above 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 9.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at San Juan River?
Currently 9.4 °C (updated continuously).
How warm is at San Juan River in September?
In September, the water temperature recently averaged 8.9 °C.
When is the water warmest at San Juan River?
Across the measurement record, July is on average the warmest month (9.7 °C).
