Santiago Weather & Climate: Best Time to Visit
Santiago experiences a very pleasant Mediterranean climate. Summer lasts from December to February and the temperature rises to an average of 25°C (77°F) to 30°C (86°F) during the day. During winter months (June, July and August) the average daytime temperature is around 10°C (50°F) to 15°C (59°F). Night frost and certainly frost on the ground can occur regularly during winter. With an average of around 330 mm (13 in) of precipitation a year, Santiago is pretty dry. During the summer months there is almost no rain.
Monthly Temperature in Santiago
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 (82°F) in January to a moderate 14°C (57°F) in July.
Nighttime temperatures range from 14°C (57°F) in January to 1°C (34°F) in July.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Santiago
Generally, Santiago receives mid-range precipitation levels, with 635 mm (25 in) annually. The seasons in Santiago bring significant changes in precipitation. The wettest month, June, receives high rainfall, with an average of 123 mm (4.8 in) of precipitation. This rainfall is distributed across 3 rainy days.
In contrast, the driest month, January, experiences much less rainfall, totaling 11 mm (0.4 in) 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 Hours in Santiago
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
Humidity in Santiago by Month
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
Santiago 3-Day Forecast
Check the conditions for any month of the year.
