Potosi's climate is quite cool and temperamental, with significant variations throughout the year. Winters are mild but chilly, with temperatures often below freezing in May and June, while summers can be quite warm, with highs sometimes reaching above 17°C in January and September. Spring and autumn are relatively stable, with average temperatures ranging from 8 to 12°C, although March and April can see some frosty mornings. The coldest months are May and June, when temperatures often drop below 0°C, while the warmest months are October and November, with highs sometimes reaching above 20°C. Overall, Potosi's climate is quite unpredictable, making it difficult to anticipate what the weather will be like from one day to the next.