In the southern hemisphere the subtropical or temperate warm
climate zone
extends from the Tropic of Capricorn at 23,5 degrees south latitude
(
São Paulo) to 45 degrees south latitude (North Patagonia).
The angle of the plane of the
sun´s apparent path
varies between 66,5 and 45 degrees and the angle of the sun´s rays
(
Solar Altitude) between 90 and 22,5 degrees.
Day length varies between +/- 1,5 h to +/- 3,5 h from 12 h at the
Equinox and average temperatures are between
22 and 10 degrees Celsius.