Climate Overview
The climate in Andacollo is cool. The average annual temperature is 8°C and approximately 615mm of precipitation falls per year. June is the wettest month, receiving around 151mm 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.
Temperature
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 17°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 October and November, with a 5°C shift in average temperatures.
Precipitation
Andacollo is a relatively dry area, receiving approximately 615mm of precipitation annually, which averages out to around 51mm per month. The wettest month is June, averaging 151mm of rainfall. July and August also tend to see above-average precipitation. The driest month is March, with just 9mm. That's 141mm 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 249cm annually from April through November. The snowiest month is June, with approximately 83cm. Winter travel should account for significant snow cover.
Wind
Andacollo is relatively calm, with an average annual wind speed of 2km/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 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 2km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.
Seasons
93 days until Spring
It is currently winter in Andacollo, which began on June 21, 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. Spring is next, beginning on September 23, 2026 — 93 days from now.
Spring
Temperatures range from -2 to 20°C. Rainfall is relatively light, with around 120mm over the season and a monthly average of 40mm. Winds are generally light, averaging 2km/h. Light layers work well as temperatures warm through the season — a great time to be outdoors.
Summer
Temperatures range from 5 to 26°C. Precipitation is minimal, with only around 42mm for the entire season. Winds are generally light, averaging 2km/h. Comfortable clothing with a light layer for cooler evenings is all you need.
Autumn
Temperatures range from 0 to 23°C. Rainfall is relatively light, with around 119mm over the season and a monthly average of 40mm. Expect around 21cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Layered clothing works best as temperatures gradually cool — enjoy the crisp air and changing scenery.
Winter
Temperatures range from -5 to 8°C. Rainfall is heavy, totalling around 334mm across the season with a monthly average of 111mm. Expect around 190cm of snow accumulation during this period. Winds are generally light, averaging 2km/h. Warm winter clothing and waterproof boots are a must, and travel may be affected by snow.
Best Time to Visit
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 17°C with modest rainfall averaging 11mm 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.
Monthly Climate Data
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.