Santiago Weather and Climate: A Comprehensive Guide
Santiago experiences a very pleasant Mediterranean climate. Summer lasts from December to February and the temperature rises to an average of 25°C to 30°C during the day. During winter months (June, July and August) the average daytime temperature is around 10°C to 15°C. Night frost and certainly frost on the ground can occur regularly during winter. With an average of around 330 mm of precipitation a year, Santiago is pretty dry. During the summer months there is almost no rain.
Average maximum day and minimum night temperature
The climate in Santiago is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 28°C in January to a moderate 14°C in July.
Nighttime temperatures can drop, with average lows reaching 1°C in July.Check out our detailed temperature page for more information.
Temperature ranges by month
Precipitation and rainy days
Generally, Santiago receives mid-range precipitation levels, with 635 mm annually. The seasons in Santiago, bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 123 mm of precipitation. This rainfall is distributed across 3 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 11 mm over 4 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Santiago Precipitation page.The mean monthly precipitation over the year, including rain, hail and snow
The average number of days each month with precipitation
Sunshine over the year
In Santiago, summer days are longer and more sunny, with daily sunshine hours peaking at 12.2 hours in January. As the darker season arrives, the brightness of the sun becomes less. June sees a soft sun for only 4.0 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Average humidity
The relative humidity is high throughout the year in Santiago.
The city experiences its highest humidity in June, reaching 83%. In January, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Forecast for Santiago
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Santiago in Chile
During the months of March, April, October and November you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.Other facts from our historical weather data:
The hottest season / summer takes place in January, February, March and December.
Yes, the months of January, February, March and December are very dry.
January has an average maximum temperature of 28°C and is the warmest month of the year.
The coldest month is July with an average maximum temperature of 14°C.
June tops the wettest month list with 123 mm of rainfall.
January is the driest month with 11 mm of precipitation.
January is the sunniest month with an average of 365 hours of sunshine.
No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.
