Argentina is a country that can be visited year-round, the months to visit depend on what visitors want to see and do. Weather in Argentina varies greatly by region, the weather in the Southern Hemisphere is the opposite of the Northern Hemisphere. Summer in Argentina is from December to March and winter is from June to August. The weather fluctuates greatly in different areas, and different cities are at their best during different months. For example, the best time to visit Argentine Patagonia is October through February when the region is most efficiently accessible, and the best time to visit Salta is during the autumn and winter months. The Lake District comes alive with colorful wildflowers and stunning Jacaranda trees in bloom during the springtime, and the verdant vineyards of the wine valleys in Mendoza begin to change to spectacular gold and copper colors during the autumn season.