The average ocean water temperature ranges from a low of -2°C (28.4°F) in the polar regions to highs in the Persian Gulf that can get up to 36°C (96.8°F) with an average of 17°C (62.6°F). But how do we know that? Is the average simply taken between -2°C (28.4°F) and 36°C (96.8°F) to get the […]