Climate almanac

Saint Marys

Pennsylvania, United States · 41.43°, -78.56°

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What is the weather like in Saint Marys in August?

In August, Saint Marys is typically 78°F (25°C) during the day and 61°F (16°C) at night. The month brings about 4.4 in (113 mm) of precipitation in total.

  • Average high78°F (25°C)
  • Average low61°F (16°C)
  • Precipitation4.4 in (113 mm)
  • Clear or mostly clear days8
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)