Newcastle, ME enjoys a moderate climate with warm summers and cold winters. The average temperature in the summer months typically reaches in the high 70s and low 80s, while the winter months see temperatures dropping into the 20s and 30s. Newcastle also receives an average of 37 inches of precipitation per year, mostly during spring and autumn. Summer is generally dry with light showers on occasion. Winters experience more frequent snowfall due to cold polar air masses that come down from Canada. Weather varies widely due to changes in air pressure which bring drastic shifts in temperature throughout the seasons.
Newcastle, Maine gets 48 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Newcastle averages 68 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 Newcastle. The US average is 205 sunny days.
Newcastle gets some kind of precipitation, on average, 129 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 77 degrees
Winter Low: the January low is 12
Rain: averages 48 inches of rain a year
Snow: averages 68 inches of snow a year