Alaska is known for long summer days and short windows of day light in the heart of winter. Around the winter solstice in December, Alyeska Resort averages five to six hours of sunlight. Come mid-June, the area enjoys up to 20 hours of sunlight per day.
| January | 5:39 | February | 7:46 |
| March | 10:24 | April | 13:22 |
| May | 16:52 | June | 18:43 |
| July | 19:11 | August | 17:07 |
| September | 14:16 | October | 11:26 |
| November | 8:32 | December | 6:08 |
