Cusco has a subtropical highland climate (Köppen Cwb). Its climate is generally dry
and temperate, with two defined seasons. The dry season lasts from April to
October, with abundant sunshine, and occasional nighttime freezes: July is the
coolest month with an average of 9.6 °C (49.3 °F). The wet season lasts
from November to March, with night frost less common: November averages 13.4 °C
(56.1 °F). Although frost and hail are common, snow is virtually unheard
of. The only snowfall ever recorded was in June 1911.