Late June to early August for summer; September–March for northern lights and winter festivals. Summer offers the warmest temperatures (65–67°F), maximum daylight, and green wilderness. Fall through early spring (September–April) provides the best aurora borealis viewing conditions, with peak activity near the equinoxes. Winter also brings Fur Rondy and the Iditarod ceremonial start
| Month | High (°F) | Low (°F) | Notes |
|---|---|---|---|
| Jan | 20 | 12 | cold & changeable |
| Feb | 26 | 16 | cold & changeable |
| Mar | 31 | 18 | cold & changeable |
| Apr | 42 | 28 | crisp & changeable |
| May | 54 | 39 | cool & changeable |
| Jun | 63 | 49 | mild & changeable |
| Jul | 66 | 53 | mild & changeable |
| Aug | 64 | 52 | mild & wet |
| Sep | 55 | 44 | cool & wet |
| Oct | 43 | 33 | crisp & changeable |
| Nov | 27 | 19 | cold & changeable |
| Dec | 23 | 15 | cold & changeable |