Perth Amboy experiences a moderate climate with cold winters and warm summers. Winters are chilly, with January averaging just 2°C, while temperatures can drop as low as -9°C. As the year progresses, temperatures gradually rise, reaching an average of 7°C in March and 12°C by April. Summers are mild to warm, with July and August averages around 25°C, but temperatures can still reach highs above 35°C. In autumn and spring, temperatures fluctuate between cool and warm days, while winters bring occasional cold snaps.