Sanya is the southernmost city on Hainan Island with 1,031,396 inhabitants (2020). Located at 18° 15' N latitude, it's the second-southernmost prefecture-level city nationally. Known as Yazhou in ancient times, it served as exile for officials during Qin dynasty
Manaus is Brazil's seventh-largest city with 2,063,689 inhabitants (2022). Located at the confluence of Negro and Amazon rivers. Named after indigenous Manaós people meaning "Mother of the Gods"
North and central Florida has humid subtropical climate, south has tropical climate. State experiences defined rainy season from May to October. Florida has mildest winters in continental US, average lows 41°F. Average summer temperatures range from 90°F in Keys to 95°F in Tallahassee
Wet season is when most of a region's annual rainfall occurs. Season typically lasts at least one month. Found in tropical and subtropical regions worldwide. Some areas have two wet seasons due to monsoon trough movement
Captain William Mynors named the island on Christmas Day 1643. First European sighting by Richard Rowe in 1615. British annexed island in 1888 for phosphate mining. Japanese occupied island in 1942, evacuating 60% of population
Seasons result from Earth's 23.4-degree axial tilt and tilted orbit around Sun. Northern Hemisphere experiences most direct sunlight in June-July. Southern Hemisphere experiences most direct sunlight in November-January. Earth's elliptical orbit contributes only 7% variation in sunlight