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> Usa > Attu Island, Alaska > Sunlight
Daylight Hours in Attu Island, Alaska, Usa
- The longest day of the year is 16h 39' long and the shortest day is 7h 20' long.
- The longest day is 9h 18' longer than the shortest day.
- At midday the sun is on average 37.6° above the horizon at Attu Island, Alaska.
- The summer solstice is on June 21st (the northern solstice) when the sun reaches it's highest point 60.61° above the horizon.
- The winter solstice is on December 21st (the southern solstice) when the midday sun is at it's lowest point of 13.8° above the horizon.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Daylight Hours & Minutes/ Day | 8h 12' | 9h 47' | 11h 47' | 13h 55' | 15h 47' | 16h 47' | 16h 20' | 14h 42' | 12h 37' | 10h 29' | 8h 38' | 7h 41' | 12h 00' | ||
| Sun altitude at solar noon on the 21st day (°). | 17.2 | 26.5 | 37.3 | 48.9 | 57.3 | 60.6 | 57.7 | 49.4 | 38 | 26.5 | 17.3 | 13.8 | 37.6 |