Climate almanac

Lewiston

Idaho, US · 46.42°, -117.02°

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What is the climate like in Lewiston?

Lewiston is warmest in July, when daily highs average 89°F (32°C), and coolest in January, when lows fall to about 27°F (-3°C). The wettest month is typically December and the driest is July; the year sees roughly 22 in of precipitation.

  • Warmest monthJuly — average high 89°F (32°C)
  • Coolest monthJanuary — average low 27°F (-3°C)
  • Wettest monthDecember (3.2 in)
  • Driest monthJuly (0.2 in)
  • Annual precipitation22 in