Climate almanac

West Lake Sammamish

Washington, US · 47.58°, -122.10°

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What is the climate like in West Lake Sammamish?

West Lake Sammamish is warmest in August, when daily highs average 77°F (25°C), and coolest in December, when lows fall to about 36°F (2°C). The wettest month is typically December and the driest is July; the year sees roughly 66 in of precipitation.

  • Warmest monthAugust — average high 77°F (25°C)
  • Coolest monthDecember — average low 36°F (2°C)
  • Wettest monthDecember (9.7 in)
  • Driest monthJuly (1.0 in)
  • Annual precipitation66 in