Climate almanac

Waterloo

Iowa, United States · 42.49°, -92.34°

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What is the weather like in Waterloo in July?

In July, Waterloo is typically 83°F (28°C) during the day and 65°F (19°C) at night. The month brings about 4.6 in (117 mm) of precipitation in total.

  • Average high83°F (28°C)
  • Average low65°F (19°C)
  • Precipitation4.6 in (117 mm)
  • Clear or mostly clear days13
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)