Carlsbad experiences mild winters with temperatures ranging from around 4-14°C, with January and December being the coolest months. Spring arrives in March, bringing slightly warmer temperatures that gradually increase throughout April and May, often reaching highs of up to 33°C. Summer is warm but not scorching, with July and August averaging around 21-22°C. Autumn brings a return to cooler temperatures, with September and October experiencing mild days and cooler nights, while November's temperatures begin to drop again.