Santiago Weather and Climate: A Comprehensive Guide
The temperature in Santiago can vary quite a bit throughout the year.
Temperatures can be very warm during the warmest months,
and pleasant during the cooler months.
It is also known for its large amounts of rainfall.
Now, let’s explore all the climate details to give you a full picture.
Average maximum day and minimum night temperature
Visitors to Santiago can expect significant temperature changes throughout the year. Typically, average maximum daytime temperatures range from a very warm 31°C in August to a pleasant 19°C in the coolest month, January.
Nights are cooler, with lows often dropping to around 7°C during the colder months. Check out our detailed temperature page for more information.Temperature ranges by month
Precipitation and rainy days
Santiago is known for its substantial rainfall, with annual precipitation reaching 1200 mm. The climate in Santiago shows significant variation throughout the year. Expect heavy rainfall in September, with an average of 194 mm of precipitation over 8 rainy days. In contrast, December offers drier and sunnier days, with around 44 mm of rainfall over 3 rainy days. 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
For those who appreciate different seasons, Santiago serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 8.4 hours of sunshine daily, and embrace the darker days in December, offering only 4.5 hours of daily sunlight. 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 October, reaching 72%. In March, the humidity drops to its lowest level at 59%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
almost clear and no rain partly cloudy and no rain broken clouds and no rainForecast for Santiago
2 m/s
1 m/s
2 m/s
Select a Month of Interest
Check the conditions for any month of the year.
The best time of year to visit Santiago in Mexico
During the months of February, March, 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:
Most rainfall (rainy season) is seen in April and September.
August has an average maximum temperature of 31°C and is the warmest month of the year.
The coldest month is January with an average maximum temperature of 19°C.
September tops the wettest month list with 194 mm of rainfall.
December is the driest month with 44 mm of precipitation.
July is the sunniest month with an average of 251 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.
