Idaho Weather Records
Weather averages and records for the U.S. state of Idaho based on data made available by the NOAA.
Idaho Statewide Averages
Average temperatures over the entire territory of the state, from 1991–2020.
| Month |
High (°F) |
Low (°F) |
| January |
33.2 |
17.1 |
| February |
37.4 |
18.7 |
| March |
45.9 |
24.6 |
| April |
53.2 |
29.8 |
| May |
62.9 |
37.4 |
| June |
71.2 |
43.7 |
| July |
82.3 |
50.5 |
| August |
81.2 |
49.2 |
| September |
71.2 |
41.6 |
| October |
56.2 |
32.3 |
| November |
41.5 |
23.5 |
| December |
32.4 |
16.9 |
| Entire Year |
55.8 |
32.2 |
Idaho Cities
Yearly weather averages for various places in Idaho, from 1991–2020.