Lake Champlain water temp
This data the coastal Lake Champlain water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Current water temperature in Lake Champlain
Water temperature in Lake Champlain today is 65.8°F. Based on our historical data over a period of ten years, the warmest water in this day in Lake Champlain was recorded in 2024 and was 68.9°F, and the coldest was recorded in 2020 at 60.4°F. Water temperature in Lake Champlain is expected to drop to 63.1°F in the next 10 days. September average water temperature in Lake Champlain is 67.8°F, the minimum temperature is 60.3°F, and the maximum is 76.1°F.
The swimming season in Lake Champlain lasts from July to September. During those months, Lake Champlain water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Lake Champlain in winter reaches 38.8°F, in spring 39.7°F, in summer the average temperature rises to 68.2°F, and in autumn it is 59.4°F.
Lake Champlain water temperature now
| September 23, 2025 |
|---|
| today temp |
| 65.8°F |
| September 22, 2025 |
|---|
| yesterday temp |
| 66°F |
Current temperature and weather
Data in a table show Lake Champlain temperature today (September 23, 2025). For more information and forecast for a few days, go to the weather forecast Lake Champlain.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 | |  |  |
| 64.8°F | 62.1°F | 61.7°F | 63.7°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| | | |
| 68.2°F | 72°F | 70.2°F | 66.4°F |
You may also be interested in other sections of our site for Lake Champlain: Sunrise and Sunset, Tides
Lake Champlain water temperature by month
These figures shows the average, minimum and maximum monthly water temperature in Lake Champlain. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Lake Champlain on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
| Month | Avr | Min | Max | |
|---|---|---|---|---|
| January | 38.5°F | 33.6°F | 43.5°F | cold |
| Water temperature in Lake Champlain in January | ||||
| February | 34°F | 31.1°F | 38.3°F | cold |
| Water temperature in Lake Champlain in February | ||||
| March | 33.4°F | 30.9°F | 37.6°F | cold |
| Water temperature in Lake Champlain in March | ||||
| April | 37.4°F | 32°F | 44.1°F | cold |
| Water temperature in Lake Champlain in April | ||||
| May | 48.4°F | 35.8°F | 60.6°F | cold |
| Water temperature in Lake Champlain in May | ||||
| June | 60.8°F | 51.6°F | 76.5°F | cold |
| Water temperature in Lake Champlain in June | ||||
| July | 71.1°F | 63°F | 77.4°F | warm |
| Water temperature in Lake Champlain in July | ||||
| August | 72.9°F | 68.2°F | 77.9°F | warm |
| Water temperature in Lake Champlain in August | ||||
| September | 67.8°F | 60.3°F | 76.1°F | cold |
| Water temperature in Lake Champlain in September | ||||
| October | 59.4°F | 52.7°F | 67.5°F | cold |
| Water temperature in Lake Champlain in October | ||||
| November | 50.9°F | 44.8°F | 57.2°F | cold |
| Water temperature in Lake Champlain in November | ||||
| December | 44.1°F | 38.7°F | 48.7°F | cold |
| Water temperature in Lake Champlain in December | ||||
Chart monthly average water temperature in Lake Champlain
