Boise weather in May
Mild and comfortable, with occasional showers. Average highs of 22°C and lows of 9°C, with around 8 rainy days expected throughout the month.
✦ This is a recommended month to visit Boise. The combination of weather, atmosphere and experience is at its best.
Average high
22°C
Average low
9°C
Rainy days
8 days
Best months to visit
May, June, July, August, September
What to do in Boise in May
Whatever the weather, Boise rewards curious visitors. Here are some of the best ways to spend your time:
Bike or run the Boise Greenbelt along the river
Hike trails up the Boise Foothills for city views
Float the Boise River on tubes in summer
Explore downtown breweries and craft beer scene
Visit Bogus Basin ski resort nearby
Tour the State Capitol building and grounds
What to pack for May
Light layers work well — T-shirts and shorts for the day, a light jacket for evenings. Comfortable walking shoes are a must. Bring a compact umbrella just in case.
Browse other months
January
4C
Cold, with occasional showers.
February
7C
Cold, with occasional showers.
March
12C
Cool, with occasional showers.
April
17C
Cool, with occasional showers.
Recommended
May (you are here)
22C
Mild and comfortable, with occasional showers.
Recommended
June
28C
Warm and pleasant, and mostly sunny skies.
Recommended
July
34C
Hot and humid, and mostly sunny skies.
Recommended
August
33C
Hot and humid, and mostly sunny skies.
Recommended
September
27C
Warm and pleasant, and mostly sunny skies.
October
18C
Mild and comfortable, and mostly sunny skies.
November
9C
Cold, with occasional showers.
December
4C
Cold, with some rainy days.
Book your May trip to Boise
Find hotels, tours and experiences for the perfect escape.
