Merced experiences mild winters, with temperatures ranging from near-freezing in January and December to just above freezing in the other months. Spring arrives in March, bringing warmer temperatures that slowly rise into the mid-20s by April and May. Summer is hot, with July being the warmest month, but even then, overnight lows rarely drop below 8°C. Autumn brings a return to milder conditions, with October temperatures similar to those of spring, while November cools slightly.