Climate Insights for Potosí

The climate in Potosí is cool. The average annual temperature is 9°C and approximately 792mm of precipitation falls per year. January is the wettest month, receiving around 158mm of rainfall. Potosí 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: October, November, September. The coldest months are June, July, August, when temperatures can drop to -2°C. Light snow can occur between August and December.

Potosí sees moderate temperature variation throughout the year, ranging from -2°C to 18°C. October is the warmest month, though highs remain moderate at 18°C with a mean of 11°C. The coldest month is June, when overnight lows fall to -2°C and the daily average is 7°C. On average, daily temperatures fluctuate by about 14°C between overnight lows and afternoon highs. The sharpest temperature change occurs between August and September, with a 2°C shift in average temperatures.

Potosí is a relatively dry area, receiving approximately 792mm of precipitation annually, which averages out to around 66mm per month. The wettest month is January, averaging 158mm of rainfall. February and December also tend to see above-average precipitation. The driest month is June, with just 2mm. That's 156mm less than January, 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 August and December, totalling around 7cm annually. August is the snowiest month with approximately 2cm.

Potosí is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

It is currently spring in Potosí, which began on September 23, 2026. Potosí 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 October at around 18°C, while the coldest stretch bottoms out in June near -2°C. Summer is next, beginning on December 21, 2026 (87 days from now).

The table below shows monthly climate averages for Potosí 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.