
Is it warm enough to swim in Lac-Megantic in August? Average water temperature in Lac-Megantic in August is 17.9°C and therefore is not suitable for comfortable swimming. The warmest water in Lac-Megantic in August is 22°C, and the coldest is 15°C. To find out the water temperature today and in the coming days, go to Current water temperature in Lac-Megantic
To get an accurate forecast for the water temperature in Lac-Megantic for any chosen month, compare two years within a 10 year range using the chart below.
| Day | 2025 | 2024 |
|---|---|---|
| 1 August | 19°C | |
| 2 August | 18°C | 22°C |
| 3 August | 17°C | 21°C |
| 4 August | 17°C | |
| 5 August | 17°C | |
| 6 August | 18°C | 19°C |
| 7 August | 19°C | 18°C |
| 8 August | 19°C | 18°C |
| 9 August | 20°C | 17°C |
| 10 August | 22°C | |
| 11 August | 22°C | 17°C |
| 12 August | 23°C | |
| 13 August | 22°C | |
| 14 August | 22°C | 18°C |
| 15 August | 21°C | 18°C |
| Day | 2025 | 2024 |
|---|---|---|
| 16 August | 20°C | 18°C |
| 17 August | 18°C | 18°C |
| 18 August | 17°C | 17°C |
| 19 August | 16°C | 17°C |
| 20 August | 16°C | 16°C |
| 21 August | 16°C | 16°C |
| 22 August | 17°C | 15°C |
| 23 August | 17°C | 15°C |
| 24 August | 18°C | 15°C |
| 25 August | 17°C | 16°C |
| 26 August | 17°C | 16°C |
| 27 August | 17°C | 16°C |
| 28 August | 15°C | 16°C |
| 29 August | 14°C | 16°C |
| 30 August | 14°C | 17°C |
| 31 August | 14°C | 15°C |
You can also view information about water temperature for other months by clicking on the month button below