Overview: Cabo San LucasCabo San Lucas, located in Mexico, is renowned for its tropical climate, providing visitors with a delightful range of temperatures throughout the year. Typically, during the January days, temperatures hover around 25 °C (77 °F), peaking in August at an average high of 33 °C (92 °F). The balmy sea reaches its zenith in September, warming up to 29 °C (83 °F), and drops to its coolest point in March at 21 °C (70 °F). If you're looking to avoid the rain, May is the ideal time with an astonishing 0 days of rainfall, whereas September presents the highest likelihood of rain, averaging 6 days. Nighttime warmth culminates in August with temperatures of 24 °C (75 °F), while the coolest nights occur in January, cooling down to 12 °C (54 °F).