Climate almanac

Boise

Idaho, US · 43.61°, -116.20°

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What is the climate like in Boise?

Boise is warmest in July, when daily highs average 96°F (36°C), and coolest in January, when lows fall to about 28°F (-2°C). The wettest month is typically December and the driest is July; the year sees roughly 14 in of precipitation.

  • Warmest monthJuly — average high 96°F (36°C)
  • Coolest monthJanuary — average low 28°F (-2°C)
  • Wettest monthDecember (2.1 in)
  • Driest monthJuly (0.1 in)
  • Annual precipitation14 in