Rockville experiences a moderate climate with significant seasonal variations. Winters are cold and frosty, with temperatures often below freezing, averaging around 2°C in January and February. As spring approaches, temperatures gradually rise, reaching an average of 9°C in March and 13°C by April. Summer months bring warm to hot conditions, with July and August being the warmest, but still within a relatively narrow range of averages between 26-25°C. Autumn sees a return to cooler temperatures, averaging around 7°C in November and December.