Best time to visit Idaho

• “The best time to visit Idaho is in the late spring (May and June) and early autumn (late August and September).” tripreport.com

1. January39°F / 26°F · 11 rainy daysChecking fares…In the mountains winters are long and very cold with lots of snow.
2. February46°F / 29°F · 9 rainy daysChecking fares…Ski areas such as Sun Valley and Schweitzer give Idaho a strong winter travel season.
3. March56°F / 35°F · 10 rainy daysChecking fares…March is the coldest of the spring months (Boise: highs about 53°F, lows about 33°F).
4. April62°F / 40°F · 9 rainy daysChecking fares…It gets warmer in April, and the tourist season is said to last from April to October.
5. May72°F / 48°F · 8 rainy daysChecking fares…May is named one of the best times to visit, with dry, clear air.Rain and thunderstorms return in May, and parks and gardens bloom.
6. June81°F / 54°F · 5 rainy daysChecking fares…June is named one of the best months to visit.
7. July93°F / 62°F · 2 rainy daysChecking fares…July is the hottest month; Boise heatwaves are common in July and August.Huckleberries, Idaho's state fruit, are only around for a short summer window.
8. August91°F / 61°F · 2 rainy daysChecking fares…Boise's average summer highs climb to about 90°F, with heatwaves common in July and August.Yellowstone Rod Run
9. September80°F / 53°F · 4 rainy daysChecking fares…September is comfortable, with temperatures from 69°F to 83°F, and counts as early fall tourism.
10. October65°F / 42°F · 6 rainy daysChecking fares…October cools to 55-70°F, with vibrant autumn colors and crisp air.Southern Idaho promotes leaf peeping and waterfalls in fall.
11. November49°F / 32°F · 10 rainy daysChecking fares…November is when it gets really cool (32-53°F), with frosty nights and more precipitation.
12. December39°F / 25°F · 12 rainy daysChecking fares…Skiing is a main winter draw, with resorts like Sun Valley and Schweitzer.

Weather: Boise averages (1991 to 2020 averages), as listed in its climate table on Wikipedia.

• Yellowstone Rod RunWest Yellowstone, MontanaEvery August

What is the annual weather like in Idaho?

Dry and clear air with little humidity; the south is drier and hotter in summer, and the mountains have long, snowy winters.

• Best Places to Visit in Idaho13 places

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