temperature in argentina in december
Weather in Argentina in December. The average maximum daytime temperature in Argentina in December is a warm 28Â°C (82Â°F) with moderate heat & humidity. There are usually 8 hours of bright sunshine each day, which represents 57% of the 14 hours of daylight. The average sea temperature in and around Argentina in December is 23Â°C (73Â°F). Expect 92mm (3.6 inches) of rainfall across the whole of December with 9 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.