Climate in Santiago, Chile

Santiago, the capital and largest city of Chile, is situated in the central part of the country, nestled in a valley surrounded by the Andes Mountains. Chile is known for its diverse landscapes, from arid deserts to lush forests and coastal regions. Santiago experiences a Mediterranean climate, characterized by distinct seasons, mild winters, hot summers, and low annual precipitation. To provide a comprehensive description of Santiago’s climate, it’s essential to examine various aspects, including temperature, precipitation, humidity, and seasonal variations.

Geographical Location:

According to andyeducation, Santiago is located in the central region of Chile, in the Santiago Metropolitan Region. Its geographical location in the foothills of the Andes Mountains influences its climate patterns.

Seasonal Overview:

Santiago experiences four distinct seasons: spring, summer, autumn (fall), and winter. Each season brings unique weather patterns and temperature ranges.

Spring (September to November):

  • September: Spring begins in September, with average high temperatures ranging from 18°C to 23°C (64°F to 73°F). The city starts to bloom with colorful flowers and blossoms.
  • October: October sees a further increase in temperatures, with average highs between 22°C and 27°C (72°F to 81°F). Outdoor activities become more popular.
  • November: November marks the arrival of warmer and more comfortable weather, with average highs between 26°C and 30°C (79°F to 86°F).

Summer (December to February):

  • December: Summer officially begins in December, with average high temperatures ranging from 29°C to 33°C (84°F to 91°F). Santiago’s parks and outdoor attractions are bustling.
  • January: January is the warmest month, with average highs between 30°C and 34°C (86°F to 93°F). It’s a popular time for festivals and outdoor events.
  • February: February continues the warm summer weather, with average highs ranging from 29°C to 33°C (84°F to 91°F).

Summer in Santiago is characterized by hot and dry weather, with clear skies and plenty of sunshine. This season is ideal for outdoor activities and exploring the city’s natural beauty.

Autumn (March to May):

  • March: Autumn begins in March, with average high temperatures between 27°C and 31°C (81°F to 88°F). The foliage starts to change colors, creating a picturesque landscape.
  • April: April brings cooler temperatures, with average highs ranging from 21°C to 26°C (70°F to 79°F). Fall foliage is at its peak.
  • May: May sees a further drop in temperatures, with average highs between 16°C and 20°C (61°F to 68°F). The city prepares for winter.

Winter (June to August):

  • June: Winter officially arrives in June, with average high temperatures ranging from 13°C to 16°C (55°F to 61°F). Cooler and wetter weather sets in.
  • July: July is the coldest month, with average highs between 13°C and 15°C (55°F to 59°F). Rainfall becomes more common.
  • August: August continues the cool and wet winter weather, with average highs ranging from 15°C to 18°C (59°F to 64°F).

Winter in Santiago is characterized by cooler temperatures, occasional rainfall, and overcast skies. While it is the wettest season, the city’s winters are mild compared to many other parts of the world.


According to existingcountries, Santiago experiences low annual precipitation, primarily during the winter months. The city’s annual average rainfall is approximately 343 millimeters (13.5 inches). Most of the rainfall occurs from May to September, with June and July being the wettest months. The remainder of the year is relatively dry, with little to no rainfall.

Humidity and Wind:

Humidity levels in Santiago are generally low, especially during the summer months, which contribute to the region’s arid conditions. The city’s inland location and proximity to the Andes Mountains also contribute to lower humidity levels. Winds in Santiago are generally light to moderate, with no prevailing strong winds. The Andes Mountains can block the flow of moist air from the Pacific Ocean, resulting in the city’s dry climate.

Climate Variability and Extreme Weather Events:

Santiago is not prone to extreme weather events like hurricanes or typhoons. However, the city can experience occasional heatwaves during the summer, with high temperatures and low humidity. Additionally, the Andes Mountains can influence weather patterns, occasionally causing temperature inversions, where cold air becomes trapped near the surface, leading to poor air quality in the city.


In summary, Santiago, Chile, enjoys a Mediterranean climate with four distinct seasons. Summers are hot and dry, winters are mild and wet, and spring and autumn provide transitional and picturesque landscapes. The city’s climate, combined with its cultural heritage and diverse landscapes, offers a unique and attractive environment for residents and visitors alike.

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