The 31st parallel south is a circle of latitude that is 31 degrees south of the Earth's equatorial plane. It crosses the Atlantic Ocean, Africa, the Indian Ocean, Australasia, the Pacific Ocean and South America.

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31°

31st parallel south

At this latitude the sun is visible for 14 hours, 13 minutes during the December solstice and 10 hours, 04 minutes during the June solstice.

Starting at the Prime Meridian and heading eastwards, the parallel 31° south passes through:

More information Co-ordinates, Country, territory or ocean ...

Co-ordinates	Country, territory or ocean	Notes
31°0′S 0°0′E	Atlantic Ocean
31°0′S 17°40′E	South Africa	Northern Cape - for about 20 km Western Cape Northern Cape Eastern Cape KwaZulu-Natal - for about 13 km
31°0′S 30°16′E	Indian Ocean
31°0′S 115°19′E	Australia	Western Australia South Australia New South Wales
31°0′S 153°2′E	Pacific Ocean
31°0′S 71°39′W	Chile	Coquimbo Region
31°0′S 70°17′W	Argentina	San Juan Province La Rioja Province Córdoba Province Santa Fe Province Entre Ríos Province Passing near the cities of Paraná (31°44′S 60°32′W) and Santa Fe (31°38′S 60°42′W).
31°0′S 57°52′W	Uruguay
31°0′S 55°53′W	Brazil	Rio Grande do Sul - for about 13 km
31°0′S 55°45′W	Uruguay
31°0′S 55°26′W	Brazil	Rio Grande do Sul
31°0′S 50°41′W	Atlantic Ocean

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