Lewiston, ME is located in a temperate climate zone, so it experiences warm summers and cold winters with an average annual temperature of 45°F. The coldest months are December and January when temperatures can dip below freezing, while the warmest months are June and July when temperatures peak at around 70°F. Rainfall averages around 40 inches annually throughout the year, with most precipitation falling between April and October. Snowfall occurs mainly from November to March with an average of 50 inches per year.
Lewiston, Maine gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewiston averages 74 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 197 sunny days per year in Lewiston. The US average is 205 sunny days.
Lewiston gets some kind of precipitation, on average, 132 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 79 degrees
Winter Low: the January low is 9
Rain: averages 48 inches of rain a year
Snow: averages 74 inches of snow a year