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Is it too cold to swim in Lake Champlain today?
The latest reading is 54°F (12.3°C), measured November 5, 2026 at 8:00 AM EST at Lake Champlain at Burlington, Vt. That is very cold water.
Between 50°F and 60°F, rated very dangerous to immediately life-threatening: the range where most unacclimated people have a maximum cold shock response. Temperature is only one factor: check rip current and surf alerts, and swim near lifeguards.
How cold is too cold to swim?Water temperature this week
Hourly water temperature at Lake Champlain at Burlington, Vt
Water temperature through the year
Average water temperature by month, satellite 2016–2025. Warmest in August.
Average water temperature by month
| Month | Average | Coldest year | Warmest year |
|---|---|---|---|
| January | 37°F | 35°F | 40°F |
| February | 35°F | 32°F | 38°F |
| March | 36°F | 34°F | 38°F |
| April | 41°F | 37°F | 44°F |
| May | 50°F | 44°F | 55°F |
| June | 60°F | 53°F | 65°F |
| July | 69°F | 64°F | 74°F |
| August | 70°F | 66°F | 74°F |
| September | 66°F | 63°F | 69°F |
| October | 58°F | 54°F | 62°F |
| November | 49°F | 46°F | 51°F |
| December | 41°F | 39°F | 44°F |
Other water temperature readings nearby
| Source | Water | Distance | Updated |
|---|---|---|---|
| NASA JPL MUR satellite nearest water | 53°F | 0.0 mi | Nov 3 |
Water temperatures nearby
Frequently asked questions
Is it too cold to swim in Lake Champlain today?
The latest reading is 54°F (12.3°C), measured November 5, 2026 at 8:00 AM EST at Lake Champlain at Burlington, Vt. That is very cold water. Between 50°F and 60°F, rated very dangerous to immediately life-threatening: the range where most unacclimated people have a maximum cold shock response. Temperature is only one factor: check rip current and surf alerts, and swim near lifeguards. How cold is too cold?
When is the water warmest at Lake Champlain?
Based on satellite data from 2016 to 2025, the water is warmest in August (average 70°F) and coldest in February (average 35°F).
Where does this water temperature come from?
From Lake Champlain at Burlington, Vt, a lake gauge operated by U.S. Geological Survey, 4.2 mi away. See the methodology.
Sources: U.S. Geological Survey; NASA JPL MUR satellite analysis; forecast and alerts from the National Weather Service. Readings are provisional. All Vermont water temperatures · Methodology