Although Brazil lies mainly in a tropical climatic zone, the diversity in its size and landscape means that there are a diverse range of climatic conditions throughout the country, from the tropical north-east to the temperate south, with the latter region having the widest seasonal variations in temperature.

In winter, from June to August, temperatures in the south range between 13 degrees C and 18 degrees C, with occasional frosts, and sometimes snow in the mountainous areas. In the summer months, from December to February, temperatures in the south are in the upper 30 degrees Cs, and sometimes exceed 40 degrees C, with high humidity. Spring and autumn bring typical temperatures in this region of around 25 degrees C. The northeast is less humid than the south, due to the effect of tropical breezes. In the northern Amazonian region, humidity is high, but temperatures are only around 27 degrees C on average.

SÃÂGBPo Paulo and Brasília tend to be considerably cooler, due to their high elevations, than Rio de Janeiro and other cities on the coast.

There are also wide variations in levels of precipitation, with moderate rainfall of around 1,000-5,000 mm per year across much of the country, and very high rainfall in the Amazon region of around 2,000-3,000 mm per year, mostly falling during the summer months. In contrast, the northeast is the driest, warmest region.

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