Climate almanac

Troutdale

Oregon, United States · 45.54°, -122.39°

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What is the climate like in Troutdale?

The best time to visit Troutdale is typically June – September, with trip comfort peaking in July (9.1/10). Troutdale is warmest in August, when daily highs average 86°F (30°C), and coolest in February, when lows fall to about 36°F (2°C). The wettest month is typically December and the driest is July; the year sees roughly 64 in (1615 mm) of precipitation.

  • Best time to visitJune – September — comfort peaks in July (9.1/10)
  • Warmest monthAugust — average high 86°F (30°C)
  • Coolest monthFebruary — average low 36°F (2°C)
  • Wettest monthDecember (10 in (262 mm))
  • Driest monthJuly (0.3 in (8 mm))
  • Annual precipitation64 in (1615 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromTroutdale, 2 km away (1948-2026)