Best Time to Visit Boise, Idaho (2026)
The best time to visit Boise is April through October, when average highs are 62-93°F with minimal rain. Avoid December when weather conditions are the least favorable for visiting.
Month-by-Month Weather Overview
| Month | High | Low | Rain | Snow | Score |
|---|---|---|---|---|---|
| Jan | 37°F | 23°F | 1.3" | 5.5" | 4/10 |
| Feb | 44°F | 27°F | 1" | 3.5" | 4/10 |
| Mar | 54°F | 33°F | 1.2" | 1.5" | 6/10 |
| Apr | 62°F | 38°F | 1.2" | 0.5" | 8/10 |
| May | 72°F | 47°F | 1.3" | — | 10/10 |
| JunBest | 82°F | 55°F | 0.7" | — | 10/10 |
| Jul | 93°F | 62°F | 0.3" | — | 10/10 |
| Aug | 92°F | 60°F | 0.2" | — | 10/10 |
| Sep | 80°F | 51°F | 0.6" | — | 10/10 |
| Oct | 65°F | 40°F | 0.7" | — | 10/10 |
| Nov | 47°F | 31°F | 1.2" | 2.5" | 4/10 |
| Dec | 36°F | 23°F | 1.4" | 5" | 4/10 |
Tourism score: 1-10 (higher = better for visiting). Based on temperature comfort, rainfall, and humidity.
When NOT to Visit Boise
December is the least ideal time to visit Boise. Conditions are less favorable for tourism, with highs of 36°F and 1.4" of rain.
Seasonal Breakdown
Spring
Spring brings mild weather to Boise, with highs around 63°F. Expect some rain (3.7" total) but increasingly pleasant days.
Summer
Boise summers are warm with average highs of 89°F. Perfect for outdoor activities with longer daylight hours.
Fall
Fall brings comfortable temperatures to Boise, with highs around 64°F. Often considered the best season to visit.
Winter
Winter in Boise means snow (14" average) and cold, with highs around 39°F. Bundle up and enjoy winter activities.
What to Pack for June in Boise
- ✓Light layers
- ✓Sunglasses
- ✓Comfortable walking shoes
- ✓UV-protection sunglasses
Frequently Asked Questions
What is the best month to visit Boise?
The best time to visit Boise is April through October, when highs average 62-93°F with comfortable temperatures and manageable rainfall. June scores highest for tourism at 10/10.
What is the weather like in Boise in June?
In June, Boise has average highs of 82°F and lows of 55°F. Expect 0.7" of rainfall and 35% humidity. Snow is not expected.
Does it snow in Boise?
Yes, Boise gets an average of 18.5" of snow per year across 5 months. Snow is a regular winter occurrence.
How hot does Boise get?
The hottest month in Boise is July, with average highs of 93°F and lows of 62°F. Humidity averages 27%. Summer heat can be intense.
What should I pack for Boise?
For the best time to visit (June): Light layers, Sunglasses, Comfortable walking shoes, UV-protection sunglasses. If visiting in winter, add a heavy coat, warm hat, and insulated boots.