People watch surfers on Arpoador rock during strong winter swells on the Atlantic Ocean on August 11, 2017 in Rio de Janeiro, Brazil. Waves were measured as high as thirteen feet in Rio today in the middle of Brazil&#39;s winter season. According to the Urban Climate Change Research Network (UCCRN), Rio&#39;s average temperature would rise around one degree Celsius between 2015 and 2020 along with a sea level rise of 14 cm. Changes in Rio&#39;s climate are projected to be the most dire of all cities in South America, according to UCCRN.