Richelieu River (Lake Champlain) at Rouses Point, New York water temperature
Richelieu River (Lake Champlain) at Rouses Point, New York · Lake
The current water temperature at Richelieu River (Lake Champlain) at Rouses Point is 22.0 °C (as of September 4, 2026, source: USGS).
Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.
Measurement series & statistics
This measurement series includes 406 data points since July 7, 2026.
Lowest recorded value: 19.6 °C on July 24, 2026 · highest value: 25.3 °C on August 8, 2026.
In September, temperatures have ranged between 20.9 °C and 23.7 °C.
The current value is 0.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Richelieu River (Lake Champlain) at Rouses Point right now?
The current water temperature is 22.0 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Richelieu River (Lake Champlain) at Rouses Point?
Currently 22.0 °C (updated continuously).
How warm is at Richelieu River (Lake Champlain) at Rouses Point in September?
In September, the water temperature recently averaged 22.1 °C.
When is the water warmest at Richelieu River (Lake Champlain) at Rouses Point?
Across the measurement record, August is on average the warmest month (23.3 °C).
