Winters in Rowlett are mild, with temperatures rarely dropping below freezing and averaging around 5-8°C in January and February. As spring approaches, temperatures gradually warm up, reaching averages of 15-17°C by March and April. Summer brings hot weather, with average highs often above 26°C from June to August, although July is the hottest month with temperatures rarely exceeding 36°C. Autumn sees a cooldown, with temperatures returning to averages around 13-21°C in November and October. In contrast, winters are relatively mild, with December averaging around 15°C, making it one of the warmer winter months.