San Diego's climate is mild year-round, with minimal seasonal variation. Winters are cool and overcast, with temperatures ranging from around freezing to the mid-20s Celsius, averaging a chilly 13°C in January and December. As spring approaches, temperatures gradually warm up, reaching averages of 16°C in April and May. Summer months bring pleasant warmth, with highs often peaking in the mid-to-high 30s Celsius, while autumn returns to cooler conditions, mirroring winter's temperature range. Overall, San Diego's climate is characterized by mild, consistent temperatures, making it an attractive destination for those seeking a temperate environment.