Anaheim's weather is mild and pleasant year-round, with temperatures rarely extreme. In the winter months of January and December, daytime highs are usually around 20-25°C, while nighttime lows dip to around 5-10°C. As spring approaches in March and April, temperatures gradually warm up, reaching averages of 17-22°C during the day. Summer months of June to August bring warmer days with highs often above 30°C, but still pleasant evenings. In autumn, from September to November, temperatures cool down again, returning to more moderate levels around 15-20°C.