Uruguay Weather, climate and geography
Uruguay has an exceptionally fine temperate climate, with mild summers and winters. Summer is from December to March and is the most pleasant time, especially along the coast. Beach resorts get crowded between Christmas and February, with peak crowds during the month of January. In the interior and along the Río Uruguay, January is the hottest month, with temperatures sometimes climbing uncomfortably above 30˚ C. For fine weather and quieter conditions countrywide, December and March are good months to visit. Winter and spring can get chilly due to wind and rain, but temperatures remain dependably above freezing.