Typical Weather in Boise, ID in May
72° F Avg High
46° F Avg Low
4 Rainy Days
☀️ Temperature Summary
May is one of the warmer months of the year for Boise, with highs averaging around 72°F. Lows overnight are typically around 46°F. Daily high temperatures can range between 68°F and 77°F, and will often rise as the month goes on.
The warm, dry temperatures in May make Boise a great destination to relax and soak up the sun.
High Temps Throughout the Year
☔ Rain Summary
You can expect about a 12% chance of rain for any given day in May. It's one of the rainier months of the year for Boise, with total rainfall for the month around 1 inches.
Rainfall Throughout the Year
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