Boise · United States
Weather in Boise in May
In May the typical daytime high in Boise is 23.9 °C on average, from 21.6 °C at the start to 26.4 °C at the end of the month.
Click a day for more: afternoon and night, the usual range, records and how fast it is warming.
Measured at the weather station Payette, 78 km away.