Climate Insights for Chacao

The climate in Chacao is warm and mild. The average annual temperature is 24°C and approximately 1451mm of precipitation falls per year. Chacao receives a notable amount of rainfall throughout the year, including during its driest month. Chacao is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: September, August, October. The coldest months are February, January, March, when temperatures can drop to 19°C.

Chacao sees moderate temperature variation throughout the year, ranging from 19°C to 30°C. The warmest month is September, when average highs reach 30°C and the mean temperature sits around 25°C. February is the coolest month, with minimum temperatures around 19°C and an average of 23°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Chacao is a fairly wet location, receiving approximately 1451mm of precipitation annually, which averages out to around 121mm per month. The wettest month is October, averaging 207mm of rainfall. November and September also tend to see above-average precipitation. The driest month is January, with just 54mm. That's 152mm less than October, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Chacao is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 4km/h gap between the calmest and windiest months.

It is currently summer in Chacao, which began on June 21, 2026. Chacao is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in September at around 30°C, while the coldest stretch bottoms out in February near 19°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

The best time to visit Chacao is during January, February, March and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 63mm per month. By contrast, September can be uncomfortably hot with temperatures reaching 30°C. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

The table below shows monthly climate averages for Chacao 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.