Winters in Baytown are generally mild, with temperatures fluctuating between freezing and relatively warm days. January is the coolest month, with overnight lows occasionally dipping below 0°C, while February sees a slight drop in average temperature. As spring arrives, temperatures gradually rise, reaching an average of around 20°C by April. Summer months bring high temperatures, with July and August often seeing highs above 30°C, but not excessively hot. Autumn is characterized by a return to more moderate temperatures, with the occasional warm spell before dropping back down in winter.