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> Usa > Rock Rapids, Ia > Sunlight
Daylight Hours in Rock Rapids, Ia, Usa
- The longest day of the year is 15h 10' long and the shortest day is 8h 49' long.
- The longest day is 6h 21' longer than the shortest day.
- At midday the sun is on average 47.4° above the horizon at Rock Rapids, Ia.
- The summer solstice is on June 21st (the northern solstice) when the sun reaches it's highest point 70.44° above the horizon.
- The winter solstice is on December 21st (the southern solstice) when the midday sun is at it's lowest point of 23.6° above the horizon.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Daylight Hours & Minutes/ Day | 9h 23' | 10h 27' | 11h 51' | 13h 21' | 14h 38' | 15h 17' | 14h 59' | 13h 53' | 12h 26' | 10h 56' | 9h 40' | 9h 03' | 12h 00' | ||
| Sun altitude at solar noon on the 21st day (°). | 27.2 | 36.5 | 47.4 | 59 | 67.3 | 70.4 | 67.3 | 59 | 47.5 | 36 | 26.9 | 23.6 | 47.4 |