San Fernando, Chile experiences a mild climate with distinct seasonal variations. In the summer months of January and December, temperatures are warm, often reaching highs above 30°C, while winters are cool, with average temperatures ranging from -3°C to 14°C in June and July. Spring (September to November) and autumn (March to May) bring moderate temperatures, with highs around 20-30°C. The summer months also tend to be the wettest, with occasional rain showers, while winter is generally dry. Overall, San Fernando's climate is characterized by mild winters and warm summers, with a gradual temperature shift between seasons.