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> Usa > Dubuque, Ia > Sunlight
Daylight Hours in Dubuque, Ia, Usa
- The longest day of the year is 15h 06' long and the shortest day is 8h 53' long.
- The longest day is 6h 13' longer than the shortest day.
- At midday the sun is on average 48° above the horizon at Dubuque, Ia.
- The summer solstice is on June 21st (the northern solstice) when the sun reaches it's highest point 71.04° above the horizon.
- The winter solstice is on December 21st (the southern solstice) when the midday sun is at it's lowest point of 24.2° above the horizon.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Daylight Hours & Minutes/ Day | 9h 27' | 10h 29' | 11h 52' | 13h 20' | 14h 35' | 15h 13' | 14h 56' | 13h 51' | 12h 26' | 10h 58' | 9h 44' | 9h 07' | 12h 00' | ||
| Sun altitude at solar noon on the 21st day (°). | 27.8 | 37.1 | 48 | 59.6 | 67.9 | 71 | 67.9 | 59.6 | 48.1 | 36.6 | 27.5 | 24.2 | 48 |