Lexington, MA has a humid continental climate with four distinct seasons. Summers in Lexington are usually hot and humid with average highs around 80°F (27°C) and lows around 60°F (15.5°C). Winters are cold with average temperatures ranging from 20–30°F (-6 to -1 °C). Spring and autumn seasons typically bring mild temperatures, though occasional snow or thunderstorms can occur during these months. Overall, Lexington experiences moderate precipitation year round, with the most rain occurring during the summer months.
Lexington, Massachusetts gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lexington averages 52 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 200 sunny days per year in Lexington. The US average is 205 sunny days.
Lexington gets some kind of precipitation, on average, 135 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 83 degrees
Winter Low: the January low is 17
Rain: averages 48 inches of rain a year
Snow: averages 52 inches of snow a year