SummerGood time to go ~86°F highs
August is a good month to visit Idaho Falls, with average highs around 86°F. Long days suit beaches, parks and evenings outdoors.
What's famous here, weighted toward what shines in August.
August is a good month to visit Idaho Falls, with average highs around 86°F. Long days suit beaches, parks and evenings outdoors.
Average daytime highs are around 86°F, compared with 90°F in the warmest month. Check the forecast a week out; our planner favors indoor stops on rainy days.
Top picks for August: Yellowstone National Park, Egin Bench, Experimental Breeder Reactor I, Targhee National Forest, Bottolfsen Park.