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When to go · Idaho Falls

Idaho Falls in August

Great month. Inside Idaho Falls's best window: Jun–Sep (warm, parks open); May and Sep for fewer crowds.

Key facts

Verdict
Great
Temperature
30°C / 11°C
average high / low
Rain days
5
Crowds
High
United States overall
Prices
High
United States overall

Verdict

GreatBest and avoid months for Idaho Falls

Inside Idaho Falls's best window: Jun–Sep (warm, parks open); May and Sep for fewer crowds.

Weather in August

Long-term averages
  • Idaho FallsHighs around 30 °C, lows around 11 °C, rain on about 5 days

Crowds and prices

Crowds · United States overall
High
Prices · United States overall
High

United States overall: Hot and busy; wildfire smoke in the West, hurricane peak begins in the Southeast.

High-price month: see what to book ahead.

What to pack

  • Light, breathable clothes, a sun hat and sunscreen
  • A warm layer for the evenings

Build the full packing list for your trip →

Across United States in August →