Antofagasta, Chile has a mild desert climate, with warm temperatures throughout the year. Winter is relatively cool, but not cold, with average highs around 13-14°C in June and July, while lows range from 9-11°C during these months. Spring and autumn are mild, with temperatures gradually warming up to averages of 16-19°C from September to November. Summer brings warmer days, with temperatures often reaching the mid-twenties in January and February, but nights can still be cool. Overall, temperature fluctuations are moderate throughout the year, with minimal seasonal variation.