Climate almanac

Saint Marys

Ohio, United States · 40.54°, -84.39°

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What is the weather like in Saint Marys in August?

In August, Saint Marys is typically 81°F (27°C) during the day and 65°F (18°C) at night. The month brings about 3.5 in (89 mm) of precipitation in total.

  • Average high81°F (27°C)
  • Average low65°F (18°C)
  • Precipitation3.5 in (89 mm)
  • Clear or mostly clear days12
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)