Redding's winters are mild, with temperatures ranging from freezing to the mid-twenties Celsius, averaging around 9-12 degrees. As spring approaches, temperatures gradually warm up, reaching highs in the thirties by April and forties by May. Summer months bring hot days, frequently reaching above 40 degrees, but temperatures rarely drop below 18 degrees. Autumn sees a return to milder weather, with temperatures fluctuating between single-digit lows and mid-thirty highs before cooling down again in winter.