Climate Insights for Andacollo

The climate in Andacollo is cool. The average annual temperature is 8°C and approximately 766mm of precipitation falls per year. June is the wettest month, receiving around 186mm of rainfall. Andacollo is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, February, December. The coldest months are July, June, August, when temperatures can drop to -5°C. Andacollo experiences heavy snowfall, typically from April through November.

Temperatures in Andacollo vary considerably across the year, with a 31°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 26°C and the mean temperature sits around 16°C. The coldest month is July, when overnight lows fall to -5°C and the daily average is -1°C. On average, daily temperatures fluctuate by about 15°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 5°C shift in average temperatures.

Andacollo is a relatively dry area, receiving approximately 766mm of precipitation annually, which averages out to around 64mm per month. The wettest month is June, averaging 186mm of rainfall. August and July also tend to see above-average precipitation. The driest month is March, with just 11mm. That's 175mm less than June, 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. Andacollo receives heavy snowfall, accumulating around 256cm annually from April through November. The snowiest month is June, with approximately 62cm. Winter travel should account for significant snow cover.

Andacollo is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 16km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 11km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 5km/h gap between the calmest and windiest months. Wind tends to pick up during the summer months. The seasonal averages are 12km/h in winter, 14km/h in spring, 15km/h in summer, 12km/h in autumn.

It is currently autumn in Andacollo, which began on March 20, 2026. Andacollo is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 26°C, while the coldest stretch bottoms out in July near -5°C. Winter is next, beginning on June 21, 2026 — 90 days from now.

The best time to visit Andacollo is during January and February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 12mm per month. By contrast, July can be quite cold with temperatures dropping to -5°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

The table below shows monthly climate averages for Andacollo 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. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. 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.