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Climate almanac

Fullerton

Pennsylvania, United States · 40.63°, -75.47°

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What is the weather like in Fullerton in August?

In August, Fullerton is typically 83°F (28°C) during the day and 65°F (18°C) at night. The month brings about 4.7 in (118 mm) of precipitation in total.

  • Average high83°F (28°C)
  • Average low65°F (18°C)
  • Precipitation4.7 in (118 mm)
  • Clear or mostly clear days10
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)