This time of year in Chile has stable average temperature about 25 °C (except northern part of country). The rainy season lasts from May to August. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 15°C (58°F) is normal. The climate of Central Chile is of temperate Mediterranean type, with the amount of rainfall increasing considerably and progressively from north to south. Agriculture is a mainstay in this area that enjoys a Mediterranean climate, with maximum temperatures averaging 82°F (28°C) in January and 50°F (10°C) in July. The climate in Santiago during January can be summarized as warm and very dry. Visiting Chile in January - February. Accommodation in Torres del Paine National Park in particular gets full very quickly and prices shoot up here at this time of year. Cooling winds coming off the Andes mean that the weather in southern Chile is cold and the temperature seldom peaks above 17°C (62°F) in summer. January and February are busy times to visit Chile, it being the peak of the country's summer. ... Chile Monthly Weather. In the Santiago area, the average monthly temperatures are about 19.5 °C in the summer months of January and February and 7.5 °C in the winter months of June and July. Summer in Patagonia brings the warmest temperatures of the year, therefore January lures flocks of visitors to the region from all over the world. Chile is one of the most geographically diverse countries in the world, with a wide variety of climates and weather conditions. Based on weather reports collected during 1985–2015. ... January: February: That being said, temperatures vary quite a bit given Patagonia's large size in both Chile and Argentina. High Season (Nov–Feb) Patagonia is best (and most expensive) December to February. Punta Arenas is 63 miles from Patagonia, so the actual climate in Patagonia can vary a bit. Chile; When to go and weather; Chile in detail. Shoulder (Sep–Nov & Mar–May) Temperature-wise, … January is a warm time for sunbathing in Chile.January is a little too cold to enjoy swimming in Chile for any length of time. Consider visiting Chile in the months of January, February, March, December, for the best beach weather.Also consider one of our other suggestions for January. Beaches throng with crowds from late December through January. Since the country is located in the Southern Hemisphere, the summer here starts in December. see the weather in Santiago » This middle part of Chile is the fertile heartland. January is in the summer in Santiago and is typically the warmest month of the year. Therefore, the weather attracts many tourists who seek the ability to visit Chile in January … Summer in Chile. Evenings and nights can be cool, even during the summer. When to go and weather. Weather. brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. This is a good time to visit Santiago as many residents travel out of the city; reducing congestion and hotel prices. Annual Weather Averages in Punta Arenas. Climate and Weather in southern Chile The climate in southern Chile ranges from a temperate oceanic climate to a sub-polar oceanic climate in the extreme south of the country.