According to projections, the sea water temperature in Mar del Plata will slightly decrease to 17.9 degrees Celsius in the next 10 days, though it will remain comfortably above the historical average for the beginning of the month. Summer will arrive with the water 'ready'. For tourists, this is encouraging news. The Atlantic Ocean off Mar del Plata continues to surprise experts: on Friday, December 5, the sea water temperature reached 18.5 degrees Celsius, matching the warmest recorded for this date in the last ten years. This historical mark confirms the trend of recent summers, which are getting progressively warmer. The current value of 18.5 degrees is significantly above the usual December average of 18 degrees, and it heralds a start to the season with more pleasant water for tourists, experts confirmed to the Noticias Argentinas agency. A historical December: an unprecedented figure. Today's temperature is not only high, but it matches the peak recorded in the last decade, positioning this early December as one of the warmest on the Buenos Aires coast. Current Temperature (Friday 5/12): 18.5 degrees. Historical Record (Last 10 years): 18.5 degrees (Tied in previous years). Coldest Recorded Value: 15.6 degrees Celsius (Recorded in 2018). December Context: The historical average sea water temperature in December is 18 degrees Celsius, with a range between a minimum of 15.3 and a maximum of 21.3 degrees. Ten-day projection. Despite the milestone reached, a moderate decrease is expected in the coming week. During those months, the sea water temperature does not drop below 20 degrees, making it suitable for swimming. The current 18.5-degree reading sets a warm foundation for the official arrival of summer. Average Temperatures by Season: The annual average reflects the city's seasonal contrast: Summer: 19.8 degrees Celsius. Autumn: 18.2 degrees. Spring: 13 degrees. Winter: 11.5 degrees. With a December starting with a record mark, expectations are high for a summer with sea temperatures above the 19.8-degree average, promising a warmer and more enjoyable season for tourists.
