Ohio · Lake fishing · St. Marys Township

Grand Lake–Saint Marys

Apr, Jun–Oct
best months

Grand Lake–Saint Marys is a 14-acre lake near St. Marys Township, Ohio, at about 858 feet. It is managed by the state natural resources department.

  • Nearby · Huffy's Pond · Twin Lake Reservoir · Ferguson Reservoir
  • Best time to go · Apr, Jun–Oct

    Best time to visit Grand Lake–Saint Marys

    Best months: April and June–October. 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

      34° / 19°

      11 wet

    2. Feb

      38° / 21°

      9 wet

    3. Mar

      49° / 30°

      11 wet

    4. Apr

      63° / 40°

      12 wet

    5. May

      73° / 51°

      13 wet

    6. Jun

      81° / 60°

      11 wet

    7. Jul

      84° / 63°

      10 wet

    8. Aug

      82° / 61°

      8 wet

    9. Sep

      77° / 54°

      8 wet

    10. Oct

      65° / 44°

      9 wet

    11. Nov

      50° / 33°

      9 wet

    12. Dec

      38° / 24°

      11 wet

    Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Celina 3 Ne, OH, 6.9 mi away at 866 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.