Climate almanac

Junction City

Oregon, United States · 44.22°, -123.21°

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What is the climate like in Junction City?

The best time to visit Junction City is typically June – August, with trip comfort peaking in July (9.3/10). Junction City 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 52 in (1317 mm) of precipitation.

  • Best time to visitJune – August — comfort peaks in July (9.3/10)
  • Warmest monthAugust — average high 86°F (30°C)
  • Coolest monthFebruary — average low 36°F (2°C)
  • Wettest monthDecember (8.1 in (206 mm))
  • Driest monthJuly (0.2 in (5 mm))
  • Annual precipitation52 in (1317 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromEugene-mahlon Sweet Fld, 10 km away (1938-2026)