Climate Insights for Achacachi

The climate in Achacachi is cool. The average annual temperature is 9°C and approximately 1006mm of precipitation falls per year. February is the wettest month, receiving around 194mm of rainfall. Achacachi 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: November, October, September. The coldest months are July, June, August, when temperatures can drop to 3°C. Light snow can occur between January and October.

Achacachi sees moderate temperature variation throughout the year, ranging from 3°C to 16°C. November is the warmest month, though highs remain moderate at 16°C with a mean of 11°C. July is the coolest month, with minimum temperatures around 3°C and an average of 8°C. On average, daily temperatures fluctuate by about 10°C between overnight lows and afternoon highs.

Achacachi is a moderately rainy area, receiving approximately 1006mm of precipitation annually, which averages out to around 84mm per month. The wettest month is February, averaging 194mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 9mm. That's 185mm less than February, 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. Light snowfall can occur between January and October, totalling around 11cm annually. February is the snowiest month with approximately 2cm.

Achacachi is relatively calm, with an average annual wind speed of 10km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is September, averaging 13km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 9km/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 autumn in Achacachi, which began on March 20, 2026. Achacachi 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 November at around 16°C, while the coldest stretch bottoms out in July near 3°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

The table below shows monthly climate averages for Achacachi 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.