Smithtown, NY enjoys a temperate climate with four distinct seasons. Summers tend to be warm and humid with temperatures often reaching into the high 80s and 90s. Winters are cold and snowy, with temperatures usually ranging in the 30s and 40s. Though Smithtown experiences precipitation year-round, fall is typically the wettest season due to regular thunderstorms that bring rain showers throughout the area. Spring tends to be mild and pleasant, often bringing sunny days with temperatures ranging from the mid-40s to mid-70s.
Smithtown, New York gets 47 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Smithtown averages 28 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 206 sunny days per year in Smithtown. The US average is 205 sunny days.
Smithtown gets some kind of precipitation, on average, 111 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 24
Rain: averages 47 inches of rain a year
Snow: averages 28 inches of snow a year