Lewiston, ME has a humid continental climate. This means that winters tend to be cold and snowy, while summers are warm and humid. Summers usually last from May to September with temperatures rising as high as the mid-80s during July and August. Winters last from December to March and temperatures can drop into the single digits at night. Precipitation is evenly spread throughout the year with about 40 inches of rain and 45 inches of snowfall each season.
Lewiston (zip 04240), Maine gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Lewiston (zip 04240) averages 74 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 Lewiston (zip 04240). The US average is 205 sunny days.
Lewiston (zip 04240) 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