Climate almanac

Ephrata

Washington, United States · 47.32°, -119.55°

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What is the climate like in Ephrata?

The best time to visit Ephrata is typically May – September, with trip comfort peaking in July (9.1/10). Ephrata is warmest in July, when daily highs average 93°F (34°C), and coolest in January, when lows fall to about 26°F (-3°C). The wettest month is typically December and the driest is July; the year sees roughly 11 in (286 mm) of precipitation.

  • Best time to visitMay – September — comfort peaks in July (9.1/10)
  • Warmest monthJuly — average high 93°F (34°C)
  • Coolest monthJanuary — average low 26°F (-3°C)
  • Wettest monthDecember (2.0 in (50 mm))
  • Driest monthJuly (0.1 in (2 mm))
  • Annual precipitation11 in (286 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromEphrata AP, 3 km away (1949-2026)