The time difference of the region of São Paulo varies over the year between -4 and -5 hours to the Central European Time. The calendar year starts with -4 hours. The difference increases to -5 hours with the Central European time change in March. The subsequent time change in Central Europe in October brings the time difference back to -4 hours.
São Paulo's climate resembles the southern Mediterranean. Most days with some wind, due to the altitude of 800 m. December to February are the warmest months, with maximum temperatures above 30 degrees Celsius. From May to August, the temperature can go below 15 degrees Celsius - unpleasant, as windows and buildings are not oriented to cope with cold temperatures and can only be heated with inverted air conditionings. As soon as the sun comes out, the temperatures rise up to 30 degrees Celsius all over the year. Geographically, São Paulo is located right at the tropic of Capricorn. Places on a similar latitude on the northern hemisphere are Mexico City, the Sahara and the Arabic Peninsula.