Lac Castonguay

Best time to visit Lac Castonguay

Best months: August–September. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.

1. Jan

   19° / -4°

   11 wet · 8 snow

2. Feb

   23° / -5°

   9 wet · 7 snow

3. Mar

   33° / 9°

   11 wet · 6 snow

4. Apr

   47° / 26°

   11 wet · 2 snow

5. May

   62° / 39°

   13 wet

6. Jun

   71° / 49°

   13 wet

7. Jul

   76° / 55°

   14 wet

8. Aug

   75° / 53°

   12 wet

9. Sep

   67° / 44°

   12 wet

10. Oct

    52° / 33°

    13 wet · 1 snow

11. Nov

    39° / 24°

    12 wet · 4 snow

12. Dec

    26° / 8°

    12 wet · 7 snow

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Van Buren 2, ME, 9.5 mi away at 456 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.