Climate Insights for Santiago
Climate Overview
The climate in Santiago is hot. The average annual temperature is 26°C and approximately 2,284 mm of precipitation falls per year. Santiago receives a notable amount of rainfall throughout the year, including during its driest month. Santiago is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, June, September. The coldest months are January, February, December, when temperatures can drop to 22°C.The climate in Santiago is hot. The average annual temperature is 79°F and approximately 89.9 in of precipitation falls per year. Santiago receives a notable amount of rainfall throughout the year, including during its driest month. Santiago is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: May, June, September. The coldest months are January, February, December, when temperatures can drop to 71°F.
Temperature
Santiago has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is May, when average highs reach 30°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 22°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 5°C between highs and lows.Santiago has relatively stable temperatures year-round, staying within a 15°F range. The warmest month is May, when average highs reach 86°F and the mean temperature sits around 82°F. January is the coolest month, with minimum temperatures around 71°F and an average of 75°F. Daily temperature variation is modest, with an average difference of 8°F between highs and lows.
Precipitation
Santiago is a very wet location, receiving approximately 2,284 mm of precipitation annually, which averages out to around 190 mm per month. The wettest month is November, averaging 421 mm of rainfall. October and December also tend to see above-average precipitation. The driest month is April, with just 67 mm. That's 354 mm less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Santiago is a very wet location, receiving approximately 89.9 in of precipitation annually, which averages out to around 7.5 in per month. The wettest month is November, averaging 16.6 in of rainfall. October and December also tend to see above-average precipitation. The driest month is April, with just 2.6 in. That's 13.9 in less than November, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Santiago is relatively calm, with an average annual wind speed of 8km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.Santiago is mildly breezy, with an average annual wind speed of 5mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is July, averaging 6mph, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 4mph, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2mph gap between the calmest and windiest months.
Monthly Climate Data
The table below shows monthly climate averages for Santiago based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Santiago based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.