 There are four distinct seasons, with winters being cold with moderate snowfall, while summers can be warm and humid.The highest average temperature is in July at 84 °F (29 °C), while the lowest average temperature is in January at 15 °F (−9 °C).However, summer temperatures can top 90 °F (32 °C), and winter temperatures can drop below 0 °F (−17 °C).