Boise · United States
Weather in Boise in January
In January the typical daytime high in Boise is 4.5 °C on average, from 3.5 °C at the start to 6.3 °C at the end of the month.
The last 10 years were 3.6 °C warmer than more than 40 years ago.
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.