Imperial Beach has mild winters, with temperatures ranging from near-freezing in January and December to the mid-20s Celsius by February. Spring brings warming temperatures, with April and May averaging around 16-17°C, while summer months are warm but not hot, peaking at 22°C in July and August. Autumn is similar to spring, with October and November averaging around 18°C, before cooling off again for winter. The temperature fluctuations throughout the year are relatively moderate, with minimal extreme heat or cold spells. Overall, Imperial Beach's climate is characterized by mild temperatures year-round, with some seasonal variation.