Research shows Tokyo weekends cooler Yomiuri Shimbun May 24
Temperatures in central Tokyo are lower on weekends, even though weekend days are on the average sunnier than weekdays, according to research results presented by a company employee at the 2003 spring meeting of the Meteorological Society of Japan on Saturday. ...heat island effect, where temperatures in cities are higher than those in surrounding areas because of heat exhaust from heavy traffic and air conditioners, was reduced on weekends.
